Organometallic complexes, olefin polymerization catalyst systems and polymerization processes

Abstract

Organometallic complexes useful as prepolymerization catalysts that may form part of an olefin polymerization catalyst system are described. The catalyst system is used for the polymerization of ethylene, and optionally contains one or more C 3-12 They are used in the polymerization of ethylene with alpha-olefin comonomers. Organometallic complexes are broadly represented by formula I: TIFF2025510021000316.tif59108 where L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising 2 or 3 atoms, and Cy is a cyclopentadienyl-type ligand. The olefin polymerization catalyst system is effective for polymerizing ethylene and alpha-olefins in a solution phase polymerization process at high temperatures to produce ethylene copolymers having high molecular weights and high alpha-olefin incorporation. Premetallation compounds, metallation processes, synthetic methods for making the organometallic complexes, and polymerization processes are also described.

Description

[Technical Field]

[0001] Organometallic complexes for use in olefin polymerization catalyst systems are provided. The olefin polymerization catalyst systems comprising the organometallic complexes are used to polymerize ethylene, optionally with one or more alpha-olefins. [Background technology]

[0002] A wide variety of single-site catalysts have been developed for the polymerization of olefins. For example, olefin polymerization catalysts containing phosphinimine ligands are known. Polymerization catalysts with cyclopentadienyl-type ligands, so-called "half-sandwich complexes," are also known.

[0003] US Patent No. 6,063,879 describes Group IV metal complexes containing monocyclopentadienyl and phosphinimine ligands, which are useful in the polymerization of ethylene and, optionally, one or more aliphatic or aromatic hydrocarbyl C 2-20 It is said to be useful for the polymerization of ethylene with mono- or diolefins.

[0004] There is a continuing desire to improve the performance of single-site catalysts used in high temperature olefin polymerization processes (such as solution phase olefin polymerization). Catalysts that operate at higher temperatures are desirable because higher reaction temperatures during polymerization reduce energy consumption.

[0005] It is therefore desirable to provide single-site catalysts with greater thermal stability. Summary of the Invention

[0006] We report on organometallic complexes (also referred to herein as "prepolymerization catalysts") that can be used in olefin polymerization catalyst systems that have high activity and high conversion efficiency to produce high molecular weight polyethylene. The olefin polymerization catalyst systems are effective in polymerizing ethylene and alpha-olefins in a solution-phase polymerization process at high temperatures to produce ethylene copolymers with high molecular weights and high alpha-olefin incorporation.

[0007] One embodiment of the present disclosure is an organometallic complex having Formula I: [ka] is expressed as During the ceremony, M is Ti, Zr or Hf; R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d wherein each R' is independently selected from the group consisting of hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; wherein each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups, R b , R c , R d are each independently C 1-20 is an alkyl group; each X 1 is an activatable ligand; Cy is a cyclopentadienyl-type ligand covalently bonded to L and coordinated to M via an η-bond; L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising two or three atoms, and is an organometallic complex.

[0008] One embodiment of the present disclosure is an organometallic complex having formula II: [ka] is expressed as During the ceremony, M is Ti, Zr or Hf; R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d ) phosphinimine groups; In the formula, R 3 , R 4 , R 5 and R 6 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 3 , R 4 , R 5 and R 6 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups, R b , R c , R d are each independently C 1-20 is an alkyl group; each X 1 is an activatable ligand; L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising two or three atoms, and is an organometallic complex.

[0009] One embodiment of the present disclosure is an organometallic complex having formula III: [ka] is expressed as wherein M is Ti, Zr, or Hf; In the formula, R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d ) phosphinimine groups; In the formula, R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 and R 10 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 and R 10 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group, C 6-20 aryl groups; R b , R c , R d are each independently C 1-20 is an alkyl group; In the formula, each 1 is an organometallic complex, which is an activatable ligand.

[0010] One embodiment of the present disclosure is an organometallic complex having formula IV: [ka] is expressed as wherein M is Ti, Zr, or Hf; In the formula, R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d ) phosphinimine groups; wherein G is C or Si; In the formula, R Q and R Q* are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; where R Q and R Q* The groups may be optionally linked to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; In the formula, R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 and R 10 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 and R 10 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups; R b , R c , R d are each independently C 1-20 is an alkyl group; In the formula, each 1 is an organometallic complex, which is an activatable ligand.

[0011] One embodiment of the present disclosure is an organometallic complex having formula V: [ka] is expressed as wherein M is Ti, Zr, or Hf; In the formula, R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d ) phosphinimine groups; In the formula, R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups, R b , R c , R d are each independently C 1-20 is an alkyl group; each X 1 is an activatable ligand; L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising two or three atoms, and is an organometallic complex.

[0012] One embodiment of the present disclosure is an organometallic complex having formula VI: [ka] is expressed as wherein M is Ti, Zr, or Hf; In the formula, R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d ) phosphinimine groups; In the formula, R 7 , R 8 , R 9 , R 10 , R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 and R 18 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 7 , R 8 , R 9 , R 10 , R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 and R 18 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups, R b , R c , R d are each independently C 1-20 is an alkyl group; each X 1 is an organometallic complex, which is an activatable ligand.

[0013] One embodiment of the present disclosure is an organometallic complex having formula VII: [ka] is expressed as wherein M is Ti, Zr, or Hf; In the formula, R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d ) phosphinimine groups; wherein G is C or Si; In the formula, R Q and R Q* are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; where R Q and R Q* The groups may be optionally linked to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; In the formula, R 7 , R 8 , R 9 , R 10 , R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17and R 18 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 7 , R 8 , R 9 , R 10 , R 11 , R 12 , R 13 , R 14 , R15 , R 16 , R 17 and R 18 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups, R b , R c , R d are each independently C 1-20 is an alkyl group; each X 1 is an organometallic complex, which is an activatable ligand.

[0014] One embodiment of the present disclosure is an organometallic complex having formula VIII: [ka] is expressed as wherein M is Ti, Zr, or Hf; In the formula, R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d ) phosphinimine groups; In the formula, R 23 teeth, hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; selected from the group consisting of: In the formula, R 19 , R 20 , R 21 , R 22 , R 24 , R 25 , R 26 , and R 27 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 19 , R 20 , R 21 , R 22 , R 24 , R 25 , R 26 , and R 27 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a)3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups, R b , R c , R d are each independently C 1-20 is an alkyl group; each X 1 is an activatable ligand; L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising two or three atoms, and is an organometallic complex.

[0015] One embodiment of the present disclosure is an organometallic complex having formula IX: [ka] is expressed as wherein M is Ti, Zr, or Hf; In the formula, R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d ) phosphinimine groups; In the formula, R 23 teeth, hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; selected from the group consisting of: In the formula, R 7 , R 8 , R 9 , R 10 , R 19 , R 20 , R 21 , R 22 , R 24 , R 25 , R 26 , and R 27 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 7 , R 8 , R 9 , R 10 , R 19 , R 20 , R 21 , R 22 , R 24 , R 25 , R 26 , and R 27 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups, R b , R c , R d are each independently C 1-20 is an alkyl group; each X 1 is an organometallic complex, which is an activatable ligand.

[0016] One embodiment is an olefin polymerization catalyst system comprising: i) an organometallic complex of formula I: [ka] is expressed as During the ceremony, M is Ti, Zr or Hf; R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d wherein each R' is independently selected from the group consisting of hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; wherein each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups, R b , R c , R d are each independently C 1-20 is an alkyl group; each X 1 is an activatable ligand; Cy is a cyclopentadienyl-type ligand covalently bonded to L and coordinated to M via an η-bond; an organometallic complex, wherein L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising 2 or 3 atoms; ii) a catalyst activator; and An olefin polymerization catalyst system comprising:

[0017] One embodiment is an olefin polymerization catalyst system comprising: i) an organometallic complex of formula II: [ka] is expressed as During the ceremony, M is Ti, Zr or Hf; R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d ) phosphinimine groups; In the formula, R 3 , R 4 , R 5 and R 6 are each independently halogen; hydrogen; C 1-30a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 3 , R 4 , R 5 and R 6 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups, R b , R c , R d are each independently C 1-20 is an alkyl group; each X 1 is an activatable ligand; an organometallic complex, wherein L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising 2 or 3 atoms; ii) a catalyst activator; and An olefin polymerization catalyst system comprising:

[0018] One embodiment is an olefin polymerization catalyst system comprising: i) an organometallic complex of formula III: [ka] is expressed as wherein M is Ti, Zr, or Hf; In the formula, R 1 and R 2are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d ) phosphinimine groups; In the formula, R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 and R 10 are each independently halogen; hydrogen; C1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 and R 10two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups; R b , R c , R d are each independently C 1-20 is an alkyl group; In the formula, each 1 is an activatable ligand, an organometallic complex, and ii) a catalyst activator; and An olefin polymerization catalyst system comprising:

[0019] One embodiment is an olefin polymerization catalyst system comprising: i) an organometallic complex of formula IV: [ka] is expressed as wherein M is Ti, Zr, or Hf; In the formula, R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d ) phosphinimine groups; wherein G is C or Si; In the formula, R Q and R Q* are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; where R Q and R Q* The groups may be optionally linked to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(Ra ) further substituted by one or more substituents selected from the group consisting of germanyl groups; In the formula, R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 and R 10 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a)3 germanyl group; selected from the group consisting of: where R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 and R 10 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups; R b , R c , R d are each independently C 1-20 is an alkyl group; In the formula, each 1 is an activatable ligand, an organometallic complex, and ii) a catalyst activator; and An olefin polymerization catalyst system comprising:

[0020] One embodiment is an olefin polymerization catalyst system comprising: i) an organometallic complex of formula V: [ka] is expressed as wherein M is Ti, Zr, or Hf; In the formula, R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(Rc )(R d ) phosphinimine groups; In the formula, R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups; R b , R c , R d are each independently C 1-20 is an alkyl group; each X 1 is an activatable ligand; an organometallic complex, wherein L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising 2 or 3 atoms; ii) a catalyst activator; and An olefin polymerization catalyst system comprising:

[0021] One embodiment is an olefin polymerization catalyst system comprising: i) an organometallic complex of formula VI: [ka] is expressed as wherein M is Ti, Zr, or Hf; In the formula, R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(Ra )3 germanyl groups; and N=P(R b )(R c )(R d ) phosphinimine groups; In the formula, R 7 , R 8 , R 9 , R 10 , R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 and R 18 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 7 , R 8 , R 9 , R 10 , R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 and R 18 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups, R b , R c , Rd are each independently C 1-20 is an alkyl group; each X 1 is an activatable ligand, an organometallic complex, and ii) a catalyst activator; and An olefin polymerization catalyst system comprising:

[0022] One embodiment is an olefin polymerization catalyst system comprising: i) an organometallic complex of formula VII: [ka] is expressed as wherein M is Ti, Zr, or Hf; In the formula, R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d ) phosphinimine groups; wherein G is C or Si; In the formula, R Q and R Q* are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; where R Q and R Q*The groups may be optionally linked to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; In the formula, R 7 , R 8 , R 9 , R 10 , R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 and R 18 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 7 , R 8 , R 9 , R 10 , R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 and R 18 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups, R b , R c , R d are each independently C 1-20 is an alkyl group; each X 1 is an activatable ligand, an organometallic complex, and ii) a catalyst activator; and An olefin polymerization catalyst system comprising:

[0023] One embodiment is an olefin polymerization catalyst system comprising: i) an organometallic complex of formula VIII: [ka] is expressed as wherein M is Ti, Zr, or Hf; In the formula, R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d ) phosphinimine groups; In the formula, R 23 teeth, hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; selected from the group consisting of: In the formula, R 19 , R 20 , R 21 , R 22 , R 24 , R 25 , R 26 , and R 27 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 19 , R 20 , R 21 , R 22 , R 24 , R 25 , R 26 , and R 27 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups; R b , R c , R d are each independently C 1-20 is an alkyl group; each X 1 is an activatable ligand; an organometallic complex, wherein L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising 2 or 3 atoms; ii) a catalyst activator; and An olefin polymerization catalyst system comprising:

[0024] One embodiment is an olefin polymerization catalyst system comprising: i) an organometallic complex of formula IX: [ka] is expressed as wherein M is Ti, Zr, or Hf; In the formula, R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d ) phosphinimine groups; In the formula, R 23 teeth, hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; selected from the group consisting of: In the formula, R 7 , R 8 , R 9 , R 10 , R 19 , R 20 , R 21 , R 22 , R 24 , R 25 , R 26 , and R 27 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 7 , R 8 , R 9 , R 10 , R 19 , R 20 , R 21 , R 22 , R 24 , R 25 , R 26 , and R 27 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups, R b , R c , R d are each independently C1-20 is an alkyl group; each X 1 is an activatable ligand, an organometallic complex, and ii) a catalyst activator; and An olefin polymerization catalyst system comprising:

[0025] In one embodiment of the present disclosure, the catalyst activator comprises a catalyst activator selected from the group consisting of alkylaluminoxane cocatalysts, organoaluminum compounds, boron-based catalyst activators, and mixtures thereof.

[0026] In one embodiment of the present disclosure, the boron-based catalyst activator is selected from the group consisting of [(hydrogenated tallow alkyl)(Me)NH][B(CF)]; N,N-dimethylanilinium tetrakis(pentafluorophenyl)borate (“[MeNHPh][B(CF)]”); and triphenylmethylium tetrakis(pentafluorophenyl)borate (“[PhC][B(CF)]”).

[0027] One embodiment of the present disclosure provides a method for preparing ethylene, optionally with one or more C 3-12 1. A polymerization process comprising polymerizing an alpha-olefin in the presence of an olefin polymerization catalyst system, an olefin polymerization catalyst system, i) an organometallic complex of formula I: [ka] is expressed as During the ceremony, M is Ti, Zr or Hf; R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d wherein each R' is independently selected from the group consisting of hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; wherein each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups, R b , R c , R d are each independently C 1-20 is an alkyl group; each X 1 is an activatable ligand; Cy is a cyclopentadienyl-type ligand covalently bonded to L and coordinated to M via an η-bond; an organometallic complex, wherein L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising 2 or 3 atoms; ii) a catalyst activator; and The polymerization process includes:

[0028] One embodiment of the present disclosure provides a method for preparing ethylene, optionally with one or more C 3-12 1. A polymerization process comprising polymerizing an alpha-olefin in the presence of an olefin polymerization catalyst system, an olefin polymerization catalyst system, i) an organometallic complex of formula II: [ka] is expressed as During the ceremony, M is Ti, Zr or Hf; R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d ) phosphinimine groups; In the formula, R 3 , R 4 , R 5 and R 6 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 3 , R 4 , R 5 and R 6 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups, R b , R c , R d are each independently C 1-20 is an alkyl group; each X 1 is an activatable ligand; an organometallic complex, wherein L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising 2 or 3 atoms; ii) a catalyst activator; and The polymerization process includes:

[0029] One embodiment of the present disclosure provides a method for preparing ethylene, optionally with one or more C 3-12 1. A polymerization process comprising polymerizing an alpha-olefin in the presence of an olefin polymerization catalyst system, an olefin polymerization catalyst system, i) an organometallic complex of formula III: [ka] is expressed as wherein M is Ti, Zr, or Hf; In the formula, R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d ) phosphinimine groups; In the formula, R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 and R 10 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 and R 10 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups; R b , R c , R d are each independently C 1-20 is an alkyl group; In the formula, each 1 is an activatable ligand, an organometallic complex, and ii) a catalyst activator; and The polymerization process includes:

[0030] One embodiment of the present disclosure provides a method for preparing ethylene, optionally with one or more C 3-12 1. A polymerization process comprising polymerizing an alpha-olefin in the presence of an olefin polymerization catalyst system, an olefin polymerization catalyst system, i) an organometallic complex of formula IV: [ka] is expressed as wherein M is Ti, Zr, or Hf; In the formula, R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d ) phosphinimine groups; wherein G is C or Si; In the formula, R Q and R Q* are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; where R Q and R Q* The groups may be optionally linked to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; In the formula, R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 and R 10 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 and R 10 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups; R b , R c , R d are each independently C 1-20 is an alkyl group; In the formula, each 1 is an activatable ligand, an organometallic complex, and ii) a catalyst activator; and The polymerization process includes:

[0031] One embodiment of the present disclosure provides a method for preparing ethylene, optionally with one or more C 3-12 1. A polymerization process comprising polymerizing an alpha-olefin in the presence of an olefin polymerization catalyst system, an olefin polymerization catalyst system, i) an organometallic complex of formula V: [ka] is expressed as wherein M is Ti, Zr, or Hf; In the formula, R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d ) phosphinimine groups; In the formula, R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups; R b , R c , R d are each independently C 1-20 is an alkyl group; each X 1 is an activatable ligand; an organometallic complex, wherein L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising 2 or 3 atoms; ii) a catalyst activator; and The polymerization process includes:

[0032] One embodiment of the present disclosure provides a method for preparing ethylene, optionally with one or more C 3-12 1. A polymerization process comprising polymerizing an alpha-olefin in the presence of an olefin polymerization catalyst system, an olefin polymerization catalyst system, i) an organometallic complex of formula VI: [ka] is expressed as wherein M is Ti, Zr, or Hf; In the formula, R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d ) phosphinimine groups; In the formula, R 7 , R 8 , R 9 , R 10 , R 11 , R 12 , R 13 , R 14 , R15 , R 16 , R 17 and R 18 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 7 , R 8 , R 9 , R 10 , R 11 , R 12, R 13 , R 14 , R 15 , R 16 , R 17 and R 18 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups, R b , R c , R d are each independently C 1-20 is an alkyl group; each X 1 is an activatable ligand, an organometallic complex, and ii) a catalyst activator; and The polymerization process includes:

[0033] One embodiment of the present disclosure provides a method for preparing ethylene, optionally with one or more C 3-121. A polymerization process comprising polymerizing an alpha-olefin in the presence of an olefin polymerization catalyst system, an olefin polymerization catalyst system, i) an organometallic complex of formula VII: [ka] is expressed as wherein M is Ti, Zr, or Hf; In the formula, R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(Rb )(R c )(R d ) phosphinimine groups; wherein G is C or Si; In the formula, R Q and R Q* are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; where R Q and R Q* The groups may be optionally linked to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; In the formula, R 7 , R 8 , R 9 , R 10 , R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 and R 18 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 7 , R 8 , R 9 , R 10 , R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 and R 18 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups, R b , R c , R d are each independently C 1-20 is an alkyl group; each X 1 is an activatable ligand, an organometallic complex, and ii) a catalyst activator; and The polymerization process includes:

[0034] One embodiment of the present disclosure provides a method for preparing ethylene, optionally with one or more C 3-12 1. A polymerization process comprising polymerizing an alpha-olefin in the presence of an olefin polymerization catalyst system, an olefin polymerization catalyst system, i) an organometallic complex of formula VIII: [ka] is expressed as wherein M is Ti, Zr, or Hf; In the formula, R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d ) phosphinimine groups; In the formula, R 23 teeth, hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; selected from the group consisting of: In the formula, R 19 , R 20 , R 21 , R 22 , R 24 , R 25 , R 26 , and R 27 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(Ra ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 19 , R 20 , R 21 , R 22 , R 24 , R 25 , R 26 , and R 27 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups; R b , R c , R d are each independently C 1-20 is an alkyl group; each X 1 is an activatable ligand; an organometallic complex, wherein L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising 2 or 3 atoms; ii) a catalyst activator; and The polymerization process includes:

[0035] One embodiment of the present disclosure provides a method for preparing ethylene, optionally with one or more C 3-12 1. A polymerization process comprising polymerizing an alpha-olefin in the presence of an olefin polymerization catalyst system, an olefin polymerization catalyst system, i) an organometallic complex of formula IX: [ka] is expressed as wherein M is Ti, Zr, or Hf; In the formula, R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d ) phosphinimine groups; In the formula, R 23 teeth, hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; selected from the group consisting of: In the formula, R 7 , R 8 , R 9 , R 10 , R 19, R 20 , R 21 , R 22 , R 24 , R 25 , R 26 , and R 27 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 7 , R 8 , R9 , R 10 , R 19 , R 20 , R 21 , R 22 , R 24 , R 25 , R 26 , and R 27 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups, R b , R c , R d are each independently C 1-20 is an alkyl group; each X 1 is an activatable ligand, an organometallic complex, and ii) a catalyst activator; and The polymerization process includes:

[0036] In one embodiment, one or more C3-C 12 The alpha-olefin comprises one or more alpha-olefins selected from the group consisting of propylene, 1-butene, 1-hexene, and 1-octene. In one embodiment, one or more C3-C 12 The alpha-olefin comprises one or more alpha-olefins selected from the group consisting of 1-butene, 1-hexene, and 1-octene.

[0037] In one embodiment, the polymerization process comprises polymerizing ethylene with 1-octene.

[0038] In one embodiment, the polymerization process is a solution phase polymerization process carried out in a solvent.

[0039] In one embodiment, the solution phase polymerization process is carried out at a temperature of at least 140°C. In one embodiment, the solution phase polymerization process is carried out at a temperature of at least 160°C.

[0040] In one embodiment, the polymerization process is a continuous solution phase polymerization process carried out in a solvent.

[0041] In one embodiment, the continuous solution phase polymerization process is carried out in at least one continuous stirred tank reactor. In one embodiment, the continuous solution phase polymerization process is carried out in at least one continuous stirred tank reactor at a temperature of at least 140°C. In one embodiment, the continuous solution phase polymerization process is carried out in at least one continuous stirred tank reactor at a temperature of at least 160°C.

[0042] One embodiment of the present disclosure is a compound of formula IL: [ka] is a compound represented by During the ceremony, R 1 and R2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d wherein each R' is independently selected from the group consisting of hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; wherein each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20aryl groups, R b , R c , R d are each independently C 1-20 is an alkyl group; Cy is a cyclopentadienyl-type moiety, and L and X 3 is covalently bonded to X 2 is hydrogen or a group of formula -Si(R e ) 3 is a silyl group, X 3 is hydrogen or a group of formula -Si(R e )3, or a silyl group of the formula Sn(R e )3 stannyl group; Here, each R e are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy groups, and C 6-20 aryl groups; L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising 2 or 3 atoms.

[0043] One embodiment of the present disclosure is a compound of formula ILH: [ka] is a compound represented by During the ceremony, R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d wherein each R' is independently selected from the group consisting of hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; wherein each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups, R b , R c , R d are each independently C 1-20 is an alkyl group; X 2 is hydrogen or a group of formula -Si(R e ) 3 silyl groups, where each R e are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups; Cy is a cyclopentadienyl-type moiety, covalently bonded to L and H; L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising 2 or 3 atoms.

[0044] One embodiment of the present disclosure is a compound of formula II-L: [ka] or a compound represented by the formula: * is a double bond isomer of formula II-L obtained by migration of In the formula, R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d ) phosphinimine groups; In the formula, R 3 , R 4 , R 5 and R 6 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(Ra ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 3 , R 4 , R 5 and R 6 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups, R b , R c , R d are each independently C 1-20 is an alkyl group; X 2 is hydrogen or a group of formula -Si(R e ) 3 silyl groups, where each R e are independently hydrogen, C 1-8 Alkyl group, C1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups; L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising 2 or 3 atoms.

[0045] One embodiment of the present disclosure is a compound of formula III-L: [ka] or a compound represented by the formula: * is a double bond isomer of formula III-L obtained by migration of R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d ) phosphinimine groups; In the formula, R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 and R 10 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 and R 10 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups; R b , R c , R d are each independently C 1-20is an alkyl group; X 2 is hydrogen or a group of formula -Si(R e ) 3 silyl groups, where each R e are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy groups, and C 6-20 aryl groups.

[0046] One embodiment of the present disclosure is a compound of formula IV-L: [ka] is a compound represented by In the formula, R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d ) phosphinimine groups; wherein G is C or Si; In the formula, R Q and R Q* are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; where R Q and R Q*The groups may be optionally linked to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; In the formula, R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 and R 10 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 and R 10 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups; R b , R c , R d are each independently C 1-20 is an alkyl group; X 2 is hydrogen or a group of formula -Si(R e ) 3 silyl groups, where each R e are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy groups, and C 6-20 aryl groups.

[0047] One embodiment of the present disclosure is a compound of formula VL: [ka] is a compound represented by In the formula, R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d ) phosphinimine groups; In the formula, R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups; R b , R c , R d are each independently C 1-20 is an alkyl group; X 2 is hydrogen or a group of formula -Si(R e ) 3 silyl groups, where each R e are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy groups, and C 6-20 aryl groups; L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising 2 or 3 atoms.

[0048] One embodiment of the present disclosure is a compound of formula VI-L: [ka] is a compound represented by In the formula, R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d ) phosphinimine groups; In the formula, R 7 , R 8 , R 9 , R 10 , R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 and R 18 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 7 , R 8 , R 9 , R 10 , R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 and R 18 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups; R b , R c , R d are each independently C 1-20 is an alkyl group; X 2 is hydrogen or a group of formula -Si(R e ) 3 silyl groups, where each R e are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy groups, and C 6-20 aryl groups.

[0049] One embodiment of the present disclosure is a compound of formula VII-L: [ka] is a compound represented by In the formula, R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d ) phosphinimine groups; wherein G is C or Si; In the formula, R Q and R Q* are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; where R Q and R Q* The groups may be optionally linked to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; In the formula, R 7 , R 8 , R 9 , R 10 , R 11 , R 12 , R13 , R 14 , R 15 , R 16 , R 17 and R 18 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 7 , R 8 , R 9 , R 10, R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 and R 18 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups; R b , R c , R d are each independently C 1-20 is an alkyl group; X 2 is hydrogen or a group of formula -Si(R e ) 3 silyl groups, where each R e are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy groups, and C6-20 aryl groups.

[0050] One embodiment of the present disclosure is a compound of formula VIII-L: [ka] is a compound represented by In the formula, R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d) phosphinimine groups; In the formula, R 23 teeth, hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; selected from the group consisting of: In the formula, R 19 , R 20 , R 21 , R 22 , R 24 , R 25 , R 26 , and R 27 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 19 , R 20 , R 21 , R 22 , R 24 , R 25 , R 26 , and R 27 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups; R b , R c , R d are each independently C 1-20 is an alkyl group; X 2 is hydrogen or a group of formula -Si(R e ) 3 silyl groups, where each R e are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy groups, and C 6-20 aryl groups; L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising 2 or 3 atoms.

[0051] One embodiment of the present disclosure is a compound of formula IX-L: [ka] is a compound represented by In the formula, R 1 and R 2 are each independently hydrogen and R Xor R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d ) phosphinimine groups; In the formula, R 23 teeth, hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; selected from the group consisting of: In the formula, R 7 , R 8 , R 9 , R 10 , R 19 , R 20 , R 21 , R 22 , R 24 , R 25 , R 26 and R 27 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 7 , R 8 , R 9 , R 10 , R 19 , R 20 , R 21 , R 22 , R 24 , R 25 , R 26 and R 27 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups; R b , R c , R d are each independently C 1-20 is an alkyl group; X 2 is hydrogen or a group of formula -Si(R e ) 3 silyl groups, where each R e are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy groups, and C 6-20 aryl groups.

[0052] One embodiment is a process for making an organometallic complex, the process comprising: [ka] The compound represented by the formula MX * with a Group 4 transition metal compound having a group 4 transition metal group; During the ceremony, M is Ti, Zr or Hf; R 1 and R 2 are each independently hydrogen and R X or R 1 and R2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d wherein each R' is independently selected from the group consisting of hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; wherein each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups, R b , R c , R d are each independently C 1-20is an alkyl group; X 2 is represented by the formula -Si(R e ) 3 silyl groups, where each R e are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy groups, and C 6-20 aryl groups; Cy is a cyclopentadienyl-type moiety, covalently bonded to L and H; L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising 2 or 3 atoms; each X * are independently halogen, hydrogen, or a group of the formula -NR E 2 amide group, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxide group, C 7-20 Alkylaryloxy groups, and C 7-20 arylalkyloxy groups; wherein each R E are independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups.

[0053] One embodiment of the present disclosure is a process for making an organometallic complex, the process comprising: [ka] with a base and then reacting a compound of formula MX * with a Group 4 transition metal compound having a group 4 transition metal group; During the ceremony, M is Ti, Zr or Hf; R 1 and R 2 are each independently hydrogen and R Xor R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d wherein each R' is independently selected from the group consisting of hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; wherein each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups, R b , R c , Rd are each independently C 1-20 is an alkyl group; Cy is a cyclopentadienyl-type moiety, covalently bonded to L and H; L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising 2 or 3 atoms; each X * are independently halogen, hydrogen, or a group of the formula -NR E 2 amide group, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxide group, C 7-20 Alkylaryloxy groups, and C 7-20 arylalkyloxy groups; wherein each R E are independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups.

[0054] One embodiment of the present disclosure provides a compound of formula IP-TMS: [ka] A method for preparing a compound represented by the formula: The method comprises reacting a compound of formula IP: [ka] with hexachloroethane Cl3C-CCl3; and hexamethyldisilazane [(CH3)3Si]2NH, In the formula, R J teeth, a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; Heteroatom-containing hydrocarbyl groups (which may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; is selected from the group consisting of In the formula, R 1 and R 2 are each independently C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; In the formula, R 7, R 8 , R 9 and R 10 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 7 , R 8 , R 9 and R 10two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 Arylalkyloxy groups, amide groups -NR'2, phosphido groups -PR'2, thiolate groups -SR', and the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups.

[0055] One embodiment of the present disclosure is a compound of formula II-P-TMS: [ka] A method for preparing a compound represented by the formula: The method comprises reacting a compound of formula II-P: [ka] with hexachloroethane Cl3C-CCl3; and hexamethyldisilazane [(CH3)3Si]2NH, In the formula, RJ teeth, a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; Heteroatom-containing hydrocarbyl groups (which may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; is selected from the group consisting of In the formula, R 1 and R 2 are each independently C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; In the formula, R 28 , R 29 , R 30 , R 31 , R 32 and R 33 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 28 , R 29 , R 30 , R 31 , R 32 and R 33 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 Arylalkyloxy groups, amide groups -NR'2, phosphido groups -PR'2, thiolate groups -SR', and the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups.

[0056] One embodiment of the present disclosure is an organometallic complex having the formula IM: [ka] is expressed as During the ceremony, M is Ti, Zr or Hf; R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d wherein each R' is independently selected from the group consisting of hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; wherein each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C6-20 Aryloxy group and C 6-20 aryl groups, R b , R c , R d are each independently C 1-20 is an alkyl group; Cy is a cyclopentadienyl-type moiety, and L and X 3 is covalently bound to; each X 1 is an activatable ligand; X 3 is hydrogen or a group of formula -Si(R e )3, or a silyl group of the formula Sn(R e )3 stannyl group; Here, each R e are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy groups, and C 6-20 aryl groups; L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising 2 or 3 atoms; Organometallic complexes.

[0057] One embodiment of the present disclosure is an olefin polymerization catalyst system comprising: i) an organometallic complex of formula IM: [ka] is expressed as During the ceremony, M is Ti, Zr or Hf; R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d wherein each R' is independently selected from the group consisting of hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; wherein each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups, R b , R c , R d are each independently C 1-20 is an alkyl group; Cy is a cyclopentadienyl-type moiety, and L and X 3 is covalently bound to; each X 1 is an activatable ligand; X 3 is hydrogen or a group of formula -Si(R e )3, or a silyl group of the formula Sn(R e )3 stannyl group; Here, each R e are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy groups, and C 6-20 aryl groups; an organometallic complex, wherein L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising 2 or 3 atoms; ii) a catalyst activator; and 1. An olefin polymerization catalyst system comprising:

[0058] One embodiment of the present disclosure provides a method for preparing ethylene, optionally with one or more C 3-12 1. A polymerization process comprising polymerizing an alpha-olefin in the presence of an olefin polymerization catalyst system, an olefin polymerization catalyst system, i) an organometallic complex of formula IM: [ka] is expressed as During the ceremony, M is Ti, Zr or Hf; R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d wherein each R' is independently selected from the group consisting of hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; wherein each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups, R b , R c , R d are each independently C 1-20 is an alkyl group; Cy is a cyclopentadienyl-type moiety, and L and X 3 is covalently bound to; each X 1 is an activatable ligand; X 3 is hydrogen or a group of formula -Si(R e )3, or a silyl group of the formula Sn(R e )3 stannyl group; Here, each Re are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy groups, and C 6-20 aryl groups; an organometallic complex, wherein L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising 2 or 3 atoms; ii) a catalyst activator; and A polymerization process comprising: [Brief explanation of the drawings]

[0059] [Figure 1] 1 shows the Oak Ridge Thermal Ellipsoid Plot (ORTEP) of an organometallic complex of the present disclosure, Complex 1. The ORTEP represents the molecular structure of the organometallic complex of the present disclosure as determined by X-ray diffraction. [Figure 2] 2 shows the Oak Ridge Thermal Ellipsoid Plot (ORTEP) of an organometallic complex of the present disclosure, Complex 2. The ORTEP represents the molecular structure of the organometallic complex of the present disclosure as determined by X-ray diffraction. [Figure 3] 3 shows the Oak Ridge Thermal Ellipsoid Plot (ORTEP) of an organometallic complex of the present disclosure, Complex 3. The ORTEP represents the molecular structure of the organometallic complex of the present disclosure as determined by X-ray diffraction. [Figure 4] 4 shows the Oak Ridge Thermal Ellipsoid Plot (ORTEP) of an organometallic complex of the present disclosure, Complex 10. The ORTEP represents the molecular structure of an organometallic complex of the present disclosure as determined by X-ray diffraction. DETAILED DESCRIPTION OF THE INVENTION

[0060] As used herein, the term "monomer" refers to a small molecule that can chemically react and chemically bond with itself or other monomers to form a polymer.

[0061] As used herein, the term "α-olefin" or "alpha-olefin" is used to describe a monomer having a linear hydrocarbon chain containing 3 to 20 carbon atoms with a double bond at one end of the chain; an equivalent term is "linear α-olefin." As used herein, the term "polyethylene" or "ethylene polymer" refers to a polymer made from ethylene monomer and, optionally, one or more additional monomers, regardless of the specific catalyst or process used to make the ethylene polymer. In the polyethylene field, the one or more additional monomers are called "comonomers" and often include an α-olefin. The term "homopolymer" generally refers to a polymer containing only one type of monomer. An "ethylene homopolymer" is made using only ethylene as the polymerizable monomer. The term "copolymer" refers to a polymer containing two or more types of monomers. An "ethylene copolymer" is made using ethylene and one or more other polymerizable monomers. Common polyethylenes include high density polyethylene (HDPE), medium density polyethylene (MDPE), linear low density polyethylene (LLDPE), very low density polyethylene (VLDPE) or very low density polyethylene (ULDPE), plastomers, and elastomers. The term polyethylene also includes polyethylene terpolymers, which contain two or more comonomers in addition to ethylene. The term polyethylene also includes combinations or blends of the above polyethylenes.

[0062] As used herein, the terms "hydrocarbyl," "hydrocarbyl radical," or "hydrocarbyl group" refer to linear, branched, cyclic, acyclic, aliphatic, olefinic (i.e., having double bond unsaturation), acetylenic (i.e., having triple bond unsaturation), and aryl (aromatic) groups containing hydrogen and carbon lacking at least one hydrogen atom. Accordingly, those skilled in the art will understand that "hydrocarbyl group" includes, by way of non-limiting example, alkyl groups, which may be primary, secondary (e.g., cycloalkyl groups), or tertiary alkyl groups, alkenyl groups, alkynyl groups, and aryl groups. The term "cyclic hydrocarbyl group" is a subset of the term "hydrocarbyl group" and specifically refers to a hydrocarbyl group containing at least one cyclic moiety, in which one or more aromatic rings and / or one or more non-aromatic rings may be present. The term "acyclic hydrocarbyl group" is a subset of the term "hydrocarbyl group" and specifically refers to a hydrocarbyl group that does not contain a cyclic moiety, such as an aromatic or non-aromatic ring structure.

[0063] As used herein, the term "heteroatom" includes any atom other than carbon and hydrogen that can be bonded to carbon. The terms "heteroatom-containing" or "heteroatom-containing hydrocarbyl group" mean that one or more non-carbon atoms, excluding hydrogen atoms, are present in a hydrocarbyl group. Non-limiting examples of non-carbon atoms (and non-hydrogen atoms) that may be present in a heteroatom-containing hydrocarbyl group include N, O, S, P, Si, and halides such as F and / or Br, and metals such as Sn. Non-limiting examples of heteroatom-containing hydrocarbyl groups include, for example, aryloxy groups, alkoxy groups, alkylaryloxy groups, arylalkyloxy groups, silyl groups, and siloxy groups. Further non-limiting examples of heteroatom-containing hydrocarbyl groups generally include, for example, imines, amine moieties, oxide moieties, phosphine moieties, ethers, ketones, heterocyclic compounds, oxazolines, thioethers, and the like. The term "cyclic heteroatom-containing hydrocarbyl group" is a subset of the term "heteroatom-containing hydrocarbyl group" and specifically refers to a heteroatom-containing hydrocarbyl group that contains at least one cyclic moiety, and in which one or more aromatic and / or one or more non-aromatic rings may be present. The term "non-cyclic heteroatom-containing hydrocarbyl group" is a subset of the term "heteroatom-containing hydrocarbyl group" and specifically refers to a heteroatom-containing hydrocarbyl group that does not contain a cyclic moiety, such as an aromatic or non-aromatic ring structure, in it.

[0064] In one embodiment of the present disclosure, the heteroatom-containing hydrocarbyl group is a hydrocarbyl group containing from 1 to 3 atoms selected from the group consisting of boron, aluminum, silicon, germanium, nitrogen, phosphorus, oxygen, and sulfur.

[0065] In one embodiment of the present disclosure, the cyclic heteroatom-containing hydrocarbyl group is a cyclic hydrocarbyl group containing from 1 to 3 atoms selected from the group consisting of boron, aluminum, silicon, germanium, nitrogen, phosphorus, oxygen, and sulfur.

[0066] The term "heterocyclic group" is a subset of the term "cyclic heteroatom-containing hydrocarbyl group" and specifically refers to a ring system having a carbon skeleton that further includes at least one heteroatom within the ring structure, e.g., selected from the group consisting of boron, aluminum, silicon, germanium, nitrogen, phosphorus, oxygen, and sulfur.

[0067] As used herein, "alkyl radical" or "alkyl group" includes straight-chain, branched, and cyclic paraffinic groups that are deficient in one hydrogen group, non-limiting examples of which include methyl (-CH3) and ethyl (-CH2CH3) groups. The term "alkenyl radical" or "alkenyl group" refers to straight-chain, branched, and cyclic hydrocarbons containing at least one carbon-carbon double bond that is deficient in one hydrogen group. The term "alkynyl radical" or "alkynyl group" refers to straight-chain, branched, and cyclic hydrocarbons containing at least one carbon-carbon triple bond that is deficient in one hydrogen group.

[0068] As used herein, the term "aryl radical" or "aryl group" includes phenyl, naphthyl, pyridyl, and other groups whose molecules have aromatic ring structures, non-limiting examples of which include naphthalene, phenanthrene, and anthracene.

[0069] An "arylalkyl" is a subset of an "alkyl group" and is an alkyl group pendant on an aryl group; non-limiting examples include benzyl, phenethyl, and tolylmethyl. An "alkylaryl" is a subset of an "aryl group" and is an aryl group pendant on one or more alkyl groups; non-limiting examples include tolyl, xylyl, mesityl, and cumyl.

[0070] An "alkoxy group" is an oxy group having a pendant alkyl group, such as, for example, methoxy, ethoxy, isopropoxy, etc. An "arylalkyloxy group" is an oxy group having a pendant arylalkyl group (for clarity, the alkyl moiety is bonded to the oxy moiety and the aryl group is bonded to the alkyl moiety).

[0071] An "aryloxy" group is an oxy group having a pendant aryl group, such as, for example, a phenoxy group. An "alkylaryloxy" group is an oxy group having a pendant alkylaryl group (for clarity, the aryl moiety is bonded to the oxy moiety and the alkyl moiety is bonded to the aryl moiety).

[0072] In this disclosure, hydrocarbyl groups or heteroatom-containing hydrocarbyl groups (or subsets of these groups, such as alkyl groups, alkoxy groups, aryl groups, aryloxy groups, etc.) may be more specifically defined as unsubstituted or substituted. As used herein, the term "unsubstituted" means that the molecular group referred to by the term unsubstituted has hydrogen groups attached to it. The term "substituted" means that the group referred to by this term has one or more moieties replacing one or more hydrogen groups at any position within the group. Non-limiting examples of moieties include halogen groups (F, Cl, Br), alkyl groups, alkylaryl groups, arylalkyl groups, alkoxy groups, aryl groups, aryloxy groups, amido groups, silyl groups, or germanyl groups, hydroxyl groups, carbonyl groups, carboxyl groups, amine groups, phosphine groups, phenyl groups, naphthyl groups, C1-C6 groups, and the like. 10 Alkyl groups, C2-C 10 alkenyl groups, and combinations thereof.

[0073] Oxy groups are well known to those skilled in the art and can be represented by the formula -OR', where each R' group is hydrogen or a hydrocarbyl group or a heteroatom-containing hydrocarbyl group. The R' groups in the oxy group can be substituted or unsubstituted (in the case of a hydrocarbyl group or a heteroatom-containing hydrocarbyl group).

[0074] Amide groups are well known to those skilled in the art and can be represented by the formula -NR', where each R' group is hydrogen or a hydrocarbyl group or a heteroatom-containing hydrocarbyl group. Each R' group in the amide group can be substituted or unsubstituted (in the case of a hydrocarbyl group or a heteroatom-containing hydrocarbyl group).

[0075] Phosphide groups are well known to those skilled in the art and can be represented by the formula -PR'2, where each R' group is hydrogen or a hydrocarbyl group or a heteroatom-containing hydrocarbyl group. Each R' group in the phosphide group can be substituted or unsubstituted (in the case of a hydrocarbyl group or a heteroatom-containing hydrocarbyl group).

[0076] Thiolate groups are well known to those skilled in the art and can be represented by the formula -SR', where the R' group is hydrogen or a hydrocarbyl group or a heteroatom-containing hydrocarbyl group. The R' group of the thiolate group can be substituted or unsubstituted (in the case of a hydrocarbyl group or a heteroatom-containing hydrocarbyl group).

[0077] In embodiments of the present disclosure, any hydrocarbyl group and / or any heteroatom-containing hydrocarbyl group may be unsubstituted or substituted.

[0078] The organometallic complexes described herein require activation by one or more cocatalyst or catalyst activator species to obtain polymers from olefins. Thus, the unactivated polymerization catalyst or organometallic complex is sometimes described as a "prepolymerization catalyst."

[0079] <Organometallic complexes (prepolymerization catalysts)> While the organometallic complex or prepolymerization catalyst used in this disclosure may generally be considered a "single-site catalyst," the term "single-site catalyst" is used herein to distinguish the polymerization catalyst from polymerization catalysts that are generally considered multi-site polymerization catalysts, such as Ziegler-Natta catalysts and chromium-based catalysts. Those skilled in the art will appreciate that, for example, metallocene catalysts, constrained geometry catalysts, and phosphinimine catalysts are all generally considered "single-site catalysts," but that each of these "single-site catalysts" may, under certain conditions, exhibit what is considered multi-site catalyst behavior. The same is true for prepolymerization catalysts used in this disclosure; therefore, the term "single-site catalyst" does not exclude prepolymerization catalysts that may exhibit aspects of multi-site behavior.

[0080] One embodiment of the present disclosure is an organometallic complex having Formula I: [ka] is expressed as During the ceremony, M is Ti, Zr or Hf; R 1 and R 2 are each independently hydrogen and R X or R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 forming a 3- to 10-membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R X are independently a halogen atom; C1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d wherein each R' is independently selected from the group consisting of hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; wherein each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups, R b , R c , R d are each independently C 1-20 is an alkyl group; each X 1 is an activatable ligand; Cy is a cyclopentadienyl-type ligand covalently bonded to L and coordinated to M via an η-bond; L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising two or three atoms, and is an organometallic complex.

[0081] The phrase "continuous chain of atoms" means that the atoms being referred to are bonded in sequence, with one end bonded to P and the other end bonded to Cy.

[0082] In some embodiments, R1 and R 2 are each independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 further substituted by an arylalkyloxy group; an amide group of the formula -NR'; an amide group of the formula -Si(R a ) 3; a silyl group of the formula -Ge(R a )3 germanyl groups; and N=P(R b )(R c )(R d wherein each R' is independently selected from the group consisting of hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; wherein each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups, R b , R c , R d are each independently C 1-20 It is an alkyl group.

[0083] In some embodiments, R 1 and R 2 are each independently a halogen atom; C 1-30 a hydrocarbyl group (which may be unsubstituted or contain one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 and further substituted by an arylalkyloxy group.

[0084] In some embodiments, R 1 and R 2 are each independently C 1-30 is a hydrocarbyl group, which is unsubstituted or contains one or more halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 alkylaryloxy groups, and / or C 7-20 It is further substituted by an arylalkyloxy group.

[0085] In some embodiments, R 1 and R 2 are each independently an unsubstituted C 1-30 It is a hydrocarbyl group. In some embodiments, R 1 and R 2 are each independently an unsubstituted C 1-20 It is a hydrocarbyl group. In some embodiments, R 1 and R 2 are each independently an unsubstituted C 1-12 It is a hydrocarbyl group. In some embodiments, R 1 and R 2 are each independently C 1-20 It is an alkyl group. In some embodiments, R 1 and R 2 are each independently C 1-12 It is an alkyl group. In some embodiments, R 1 and R 2 are each independently C1-9 It is an alkyl group. In some embodiments, R 1 and R 2 are each independently a branched C 3-8 It is an alkyl group. In some embodiments, R 1 and R 2 are each independently C 6-20 It is an aryl group. In some embodiments, R 1 and R 2 are the same. In some embodiments, R 1 and R 2 are each independently selected from the group consisting of isopropyl, cyclohexyl, and tert-butyl. In some embodiments, R 1 and R 2 are each an isopropyl group. In some embodiments, R 1 and R 2 are each a cyclohexyl group. In some embodiments, R 1 and R 2 are each tert-butyl groups.

[0086] In some embodiments, each R' is C 1-8 It is an alkyl group. In some embodiments, each R' is C 6-20 It is an aryl group. In some embodiments, each R' is a methyl group. In some embodiments, each R' is a phenyl group.

[0087] In some embodiments, each R a is C 1-8 It is an alkyl group. In some embodiments, each R a is C 6-20 It is an aryl group. In some embodiments, each R ais a methyl group. In some embodiments, each R a is an ethyl group. In some embodiments, each R a is a phenyl group.

[0088] In some embodiments, R b , R c , R d Each of the 1-12 It is an alkyl group. In some embodiments, R b , R c , R d Each of the 1-9 It is an alkyl group. In some embodiments, R b , R c , R d Each of the 1-6 It is an alkyl group. In some embodiments, R b , R c , R d Each of the branched C 3-8 It is an alkyl group. In some embodiments, R b , R c , R d Each of is an isopropyl group. In some embodiments, R b , R c , R d Each of is a cyclohexyl group. In some embodiments, R b , R c , R d Each of is a tert-butyl group.

[0089] In some embodiments, R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 and forming a 3-10 membered heterocyclic group which is further substituted with one or more substituents selected from the group consisting of arylalkyloxy groups.

[0090] In some embodiments, R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 and forming a 4-6 membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups.

[0091] In some embodiments, R 1 and R 2 are unsubstituted or, together with the P atom to which they are attached, a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 and forming a 5-6 membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups.

[0092] each X 1 are independently activatable ligands. 1 may be the same or different. In some embodiments, each X 1 is the same.

[0093] The term "activatable ligand" refers to a ligand that can be activated by a catalyst activator and / or cocatalyst to promote the polymerization of olefins. 1 can be cleaved from the metal center M via a protonolytic reaction or abstracted from the metal center M by a suitable acidic or electrophilic catalyst activator compound (also called a "co-catalyst" compound), examples of which are described below. 1 may be converted to another ligand that is cleaved or abstracted from the metal center M (e.g., a halide may be converted to an alkyl group). Without wishing to be bound by any single theory, the protonolysis or abstraction reaction generates an active "cationic" metal center capable of polymerizing olefins.

[0094] In some embodiments, each X 1 are independently hydrogen atoms, halogen atoms, C 1-10 Hydrocarbyl group, C 1-10 Alkoxy group, C 6-10 aryloxide groups (each of the hydrocarbyl, alkoxy, and aryloxide groups may be unsubstituted or may contain a halogen atom, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-10 an aryl group or an aryloxy group), an amide group (which may be unsubstituted (i.e., —NH) or may have up to two C 1-8 substituted with an alkyl group (i.e., -NR', where each R' = C 1-8 alkyl), and phosphido groups (unsubstituted (i.e., -PH2) or containing up to two C 1-8 substituted with alkyl groups (i.e., -PR'2, where each R'=C 1-8 alkyl).

[0095] In some embodiments, each X 1 are independently halogen, hydrogen, or a group of the formula -NR E2 amide group, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxide group, C 7-20 Alkylaryloxy groups, and C 7-20 arylalkyloxy groups; wherein each R E are independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups.

[0096] In some embodiments, two activatable X 1 The ligands may be linked to each other to form, for example, substituted or unsubstituted diene ligands (ie, 1,3-dienes), or to form delocalized heteroatom-containing groups (such as acetate groups).

[0097] In an embodiment of the present disclosure, each X 1 are independently a halogen atom, C 1-4 It is selected from the group consisting of alkyl and benzyl groups. In an embodiment of the present disclosure, each X 1 independently, C 1-6 Alkyl group, C 7-10 It is selected from the group consisting of arylalkyl groups and halogens. In some embodiments, each X 1 are independently unsubstituted C 1-6 It is selected from alkyl and halogen. In an embodiment, each X 1 is a halogen atom (e.g., chloride) or a hydrocarbyl group (e.g., methyl, benzyl). In an embodiment, each X 1 is a benzyl group. In an embodiment, each X 1 is a —CH2C6F5 group (i.e., a pentafluorobenzyl group). In an embodiment, each X 1 is methyl. In some embodiments, each X 1 is independently methyl or Cl. In some embodiments, each X 1 is a halogen. In some embodiments, each X 1 is Cl.

[0098] In some embodiments, M is Ti. In some embodiments, M is Hf. In some embodiments, M is Zr.

[0099] As used in this disclosure, "Cy" represents a "cyclopentadienyl-type ligand" that contains a cyclopentadienyl moiety within its structure, which refers to a five-membered carbon ring and can coordinate to a metal center via a delocalized π bond or, in some cases, via a σ bond.

[0100] In some embodiments, "Cy" represents a "cyclopentadienyl-type ligand" that includes a cyclopentadienyl moiety within its structure, which refers to a five-membered carbon ring with delocalized π-bonds (e.g., aromaticity) within the ring, and is capable of coordinating to a metal center.

[0101] In the present disclosure, the cyclopentadienyl-type ligand Cy is covalently bonded to L and coordinated to M via an η- (or eta-) bond. Those skilled in the art will recognize that the η-bond indicates the hapticity of the ligand, typically η 5 Although it is understood to refer to the coordination of Cy ligands to the metal center M by a - bond, in some cases, depending on the nature of the cyclopentadienyl-type ligand, η 3 -bond and η 1 -I understand that combinations are possible.

[0102] In some embodiments, the cyclopentadienyl-type ligand Cy is covalently bonded to L and is η 5 -bond or η 3 -bond, or η 1-coordinates to M via a bond. In some embodiments, the cyclopentadienyl-type ligand Cy is covalently bonded to L and is η 5 -bond or η 3 -coordinates to M via a bond. In some embodiments, the cyclopentadienyl-type ligand Cy is covalently bonded to L and is η 5 -bond or η 1 -coordinates to M via a bond. In some embodiments, the cyclopentadienyl-type ligand Cy is covalently bonded to L and is η 5 -coordinates to M via a bond. In some embodiments, the cyclopentadienyl-type ligand Cy is covalently bonded to L and is η 3 -coordinates to M via a bond. In some embodiments, the cyclopentadienyl-type ligand Cy is covalently bonded to L and is η 1 -coordinates to M via a bond.

[0103] As used herein, the term "cyclopentadienyl-type ligand" is meant to include ligands containing at least one five-membered carbon ring, which ring is bonded to the metal via an eta-5 (or optionally an eta-3, or optionally an eta-1) bond. Thus, the term "cyclopentadienyl-type ligand" includes, for example, unsubstituted cyclopentadienyl, singly or multiply substituted cyclopentadienyl, unsubstituted indenyl, singly or multiply substituted indenyl, unsubstituted fluorenyl, and singly or multiply substituted fluorenyl. Hydrogenated versions of indenyl and fluorenyl ligands are also contemplated for use in this disclosure, so long as the five-membered carbon ring bonded to the metal via an eta-5 (or optionally an eta-3, or an eta-1) bond remains intact.

[0104] In embodiments of the present disclosure, the substituents on the cyclopentadienyl, indenyl (or hydrogenated versions thereof) and fluorenyl (or hydrogenated versions thereof) ligands are C 1-30a hydrocarbyl group (which may be unsubstituted or substituted, for example, by halogen (such as in the case of the pentafluorobenzyl group -CH2C6F5), C 1-20 Alkoxy group, C 6-20 Aryl group, C 6-20 aryloxy groups (each of which may be further substituted, for example, by halogens); amide groups (unsubstituted or with up to two C 1-8 alkyl groups), phosphido groups (unsubstituted or with up to two C 1-8 alkyl group), the formula -Si(R a ) 3 silyl groups (wherein each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups; and a group of formula -Ge(R a ) 3 germanyl group (where R a is as defined above).

[0105] In some embodiments, Cy is selected from the group consisting of heteroatom-substituted cyclopentadienyl-type ligands and heteroatom-containing cyclopentadienyl-type ligands. In some embodiments, Cy is selected from the group consisting of substituted or unsubstituted indeno[1,2-b]indolyl and indeno[2,1-b]indolyl ligands. In some embodiments, Cy is selected from the group consisting of unsubstituted or substituted cyclopentadienyl ligands, unsubstituted or substituted cyclopentenophenanthryl ligands and hydrogenated versions thereof, unsubstituted or substituted indenyl ligands and hydrogenated versions thereof, unsubstituted or substituted fluorenyl ligands and hydrogenated versions thereof, unsubstituted or substituted octahydrofluorenyl ligands, and unsubstituted or substituted azulenyl ligands.

[0106] In some embodiments, Cy is a cyclopentadienyl ligand that is unsubstituted or halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; and is substituted by up to four substituents independently selected from the group consisting of: wherein two adjacent substituents on the cyclopentadienyl ligand may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups.

[0107] In some embodiments, Cy is an indenyl ligand, which is unsubstituted or halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; and is substituted by up to six substituents independently selected from the group consisting of: wherein two adjacent substituents on the indenyl ligand may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group is unsubstituted or contains a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups.

[0108] In some embodiments, Cy is a fluorenyl ligand that is unsubstituted or halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(Ra ) silyl group of 3; Formula -Ge(R a )3 germanyl group; and is substituted by up to eight substituents independently selected from the group consisting of: wherein two adjacent substituents on the fluorenyl ligand may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups.

[0109] Those skilled in the art will appreciate that an indenyl group is a hydrocarbyl group derived from the compound indene: [ka]

[0110] Those skilled in the art will appreciate that a fluorenyl group is a hydrocarbyl group derived from the compound fluorene: [ka]

[0111] Similar to cyclopentadienyl, the indenyl or fluorenyl group, after deprotonation, can be converted to η 5 -bond (or in some cases η 3 -bond, or in some cases η 1 -bond) to the metal center.

[0112] In some embodiments, Cy is an unsubstituted or substituted indenyl ligand. In some embodiments, Cy is an unsubstituted indenyl ligand. In some embodiments, Cy is a substituted indenyl ligand. In some embodiments, Cy is an unsubstituted or substituted fluorenyl ligand. In some embodiments, Cy is an unsubstituted fluorenyl ligand. In some embodiments, Cy is a substituted fluorenyl ligand.

[0113] In some embodiments, Cy is an unsubstituted indenyl ligand attached to the 1- or 2-position of the L group, where the positions on the indenyl ring are numbered as follows: [ka]

[0114] In some embodiments, Cy is an unsubstituted indenyl ligand attached to the 1-position of the L group. In some embodiments, Cy is an unsubstituted indenyl ligand attached to the 2-position of the L group.

[0115] In some embodiments, Cy has the formula: [ka] and During the ceremony, TIFF2025510021000053.tif318 shows the attachment points to L and R A , R B , R C , R D , R E and R F each independently represents H, C 1-12 Hydrocarbyl groups and C 1-12 In some embodiments, R is selected from heteroatom-containing hydrocarbyl groups. A , R B , R C , R D , R E and R F each independently represents H and unsubstituted C 1-6 In some embodiments, R A , R B , R C , R D , R E and R F Each of is H. In some embodiments, R B , R C , R D and R E two adjacent groups are joined to form a ring.

[0116] In some embodiments, Cy has the formula: [ka] and During the ceremony, TIFF2025510021000055.tif318 shows the attachment points to L and R A , R B , R C , R D , R E and R F each independently represents H, C 1-12 Hydrocarbyl groups and C 1-12In some embodiments, R is selected from heteroatom-containing hydrocarbyl groups. A , R B , R C , R D , R E and R F each independently represents H and unsubstituted C 1-6 In some embodiments, R A , R B , R C , R D , R E and R F Each of is H. In some embodiments, R B , R C , R D and R E two adjacent groups are joined to form a ring.

[0117] In some embodiments, L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising three atoms. In some embodiments, L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising two atoms. The phrase "continuous chain of atoms" means that the referenced atoms are bonded in order, with one end bonded to P and the other end bonded to Cy.

[0118] In some embodiments, L is a bridging group that includes at least one cyclic hydrocarbyl group or at least one cyclic heteroatom-containing hydrocarbyl group.

[0119] In some embodiments, L is a bridging group comprising at least one cycloalkylene group, heterocycloalkylene group, arylene group, or heteroarylene group. The term "cycloalkylene" refers to a divalent group comprising a cycloaliphatic ring. The term "heterocycloalkylene" refers to a divalent group comprising a heterocycloaliphatic ring. The term "arylene" refers to a divalent group comprising an aromatic ring. The term "heteroarylene" refers to a divalent group comprising a heteroaromatic ring.

[0120] In some embodiments, L is a bridging group comprising at least one arylene or heteroarylene group.

[0121] In some embodiments, L is a bridging group that includes at least one cycloalkylene group or heterocycloalkylene group.

[0122] In some embodiments, L is a bridging group comprising 1 to 50 atoms selected from carbon atoms, hydrogen atoms, and heteroatoms, and comprising at least one phenylene group.

[0123] In some embodiments, L is a bridging group comprising at least one arylene group. In some embodiments, L is a bridging group comprising at least one phenylene group.

[0124] In some embodiments, L is a bridging group comprising 1 to 50 atoms selected from carbon atoms, hydrogen atoms, and heteroatoms, and comprises at least one arylene group or heteroarylene group. In some embodiments, L is a bridging group comprising 1 to 50 atoms selected from carbon atoms, hydrogen atoms, and heteroatoms, and comprises at least one arylene group. In some embodiments, L is a bridging group comprising 1 to 50 atoms selected from carbon atoms, hydrogen atoms, and heteroatoms, and comprises at least one phenylene group. In some embodiments, L is a bridging group comprising 1 to 50 atoms selected from carbon atoms and hydrogen atoms, and comprises at least one phenylene group.

[0125] The arylene or heteroarylene group in L may be directly or indirectly covalently bonded to P. The arylene or heteroarylene group in L may be directly covalently bonded to P (i.e., there may be a covalent bond from P to an atom in the ring of the arylene or heteroarylene group). Alternatively, the arylene or heteroarylene group in L may be indirectly covalently bonded to P (i.e., there may be an additional divalent group between P and an atom in the ring of the arylene or heteroarylene group). The additional divalent group may be a hydrocarbylene group, such as an alkylene or alkenylene group, or may be a divalent group containing one or more heteroatoms.

[0126] The arylene or heteroarylene group in L may be covalently bonded to Cy, directly or indirectly. The arylene or heteroarylene group in L may be covalently bonded directly to Cy (i.e., there may be a covalent bond from Cy to an atom in the ring of the arylene or heteroarylene group). Alternatively, the arylene or heteroarylene group in L may be covalently bonded indirectly to Cy (i.e., there may be an additional divalent group between Cy and an atom in the ring of the arylene or heteroarylene group). The additional divalent group may be a hydrocarbylene group, such as an alkylene or alkenylene group, or a divalent group containing one or more heteroatoms.

[0127] In some embodiments, L is a bridging group comprising a continuous chain of atoms connecting P and Cy, wherein adjacent carbon atoms of the phenylene group form part of the continuous chain of atoms.

[0128] In some embodiments, L is of the formula: [ka] is selected from During the ceremony, TIFF2025510021000057.tif318 indicates the point of attachment to P; (*) indicates the point of attachment to Cy; where each R Gis, independently, halogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: Here, two adjacent R G The groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; where R K and R L are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; selected from the group consisting of: where RK and R L The groups may be optionally linked to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups.

[0129] In embodiments, each R G are independently halogen and unsubstituted C 1-12 alkyl. In some embodiments, R G does not exist (the phenylene group or naphthalene group is unsubstituted).

[0130] In embodiments, R K and R L are each independently hydrogen, unsubstituted C 1-12 Alkyl groups, and unsubstituted or substituted C 6-20 aryl groups. In embodiments, R K and R L are each independently an unsubstituted C 1-12 Alkyl groups, and unsubstituted or substituted C 6-20 aryl groups. In some embodiments, R K and R L are each hydrogen.

[0131] In some embodiments, L is of the formula: [ka] and In the formula, R M and R N are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R M and R N two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups; During the ceremony, TIFF2025510021000059.tif318 indicates the point of attachment to P; (*) indicates the point of attachment to Cy.

[0132] In some embodiments, R M and R N are each independently a halogen, hydrogen, or C 1-30 Alkyl group, C 1-30 Alkoxy group, C 7-30 Alkylaryl group, C 7-30 Arylalkyl groups, C 6-30 Aryl group, C 6-30 Aryloxide group, C 7-30 Alkylaryloxy groups, and C 7-30 arylalkyloxy groups.

[0133] In some embodiments, R M and R N are each independently a halogen, hydrogen, or C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxide group, C 7-20 Alkylaryloxy groups, and C 7-20 arylalkyloxy groups.

[0134] In some embodiments, R M Group and R N The groups are linked to form a cyclic hydrocarbyl group.

[0135] In some embodiments, R M Group and R N groups are linked to form a phenylene group, the phenylene group being unsubstituted or containing a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20Arylalkyloxy group, -NR'2, amide group, -PR'2, phosphide group, -SR', thiolate group, formula -Si(R a )3, and silyl groups of the formula -Ge(R a wherein each R' is independently selected from the group consisting of hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; wherein each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups.

[0136] In some embodiments, R M Group and R N The groups are joined to form a phenylene group that is not further substituted.

[0137] In some embodiments, L is of the formula: [ka] and In the formula, R O , R O* , R P and R P* are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R O , R O* , R P and R P* Two of the groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups; During the ceremony, TIFF2025510021000061.tif318 indicates the point of attachment to P; (*) indicates the point of attachment to Cy.

[0138] In some embodiments, R O , R O* , R P and R P* are each independently a halogen, hydrogen, or C 1-30 Alkyl group, C 1-30 Alkoxy group, C 7-30 Alkylaryl group, C 7-30 Arylalkyl groups, C 6-30 Aryl group, C 6-30 Aryloxide group, C 7-30 Alkylaryloxy groups, and C 7-30 arylalkyloxy groups.

[0139] In some embodiments, R O , R O* , R P and R P* are each independently a halogen, hydrogen, or C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxide group, C 7-20 Alkylaryloxy groups, and C 7-20arylalkyloxy groups.

[0140] In some embodiments, one R O group and one R P The groups are linked to form a cyclic hydrocarbyl group. In some embodiments, one R O group and one R P The groups are joined to form a cyclohexyl group.

[0141] In some embodiments, L is of the formula: [ka] and In the formula, R K and R L are each independently hydrogen, unsubstituted C 1-12 Alkyl groups, and unsubstituted or substituted C 6-20 aryl groups, R M and R N are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R M and R N two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C6-20 Aryloxy group and C 6-20 aryl groups; During the ceremony, TIFF2025510021000063.tif318 indicates the point of attachment to P; (*) indicates the point of attachment to Cy.

[0142] In some embodiments, R M and R N are each independently a halogen, hydrogen, or C 1-30 Alkyl group, C 1-30 Alkoxy group, C 7-30 Alkylaryl group, C 7-30 Arylalkyl groups, C 6-30 Aryl group, C 6-30 Aryloxide group, C 7-30 Alkylaryloxy groups, and C 7-30 arylalkyloxy groups.

[0143] In some embodiments, R M and R N are each independently a halogen, hydrogen, or C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxide group, C 7-20 Alkylaryloxy groups, and C 7-20 arylalkyloxy groups.

[0144] In some embodiments, R M Group and R N The groups are linked to form a cyclic hydrocarbyl group.

[0145] In some embodiments, R M Group and R N groups are linked to form a phenylene group, the phenylene group being unsubstituted or containing a halogen atom, C 1-20 Alkyl group, C 1-20Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 Arylalkyloxy group, -NR'2, amide group, -PR'2, phosphide group, -SR', thiolate group, formula -Si(R a )3, and silyl groups of the formula -Ge(R a wherein each R' is independently selected from the group consisting of hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; wherein each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups.

[0146] In some embodiments, R M Group and R N The groups are joined to form a phenylene group that is not further substituted.

[0147] In some embodiments, L is of the formula: [ka] and In the formula, R K and R L are each independently hydrogen, unsubstituted C 1-12 Alkyl groups, and unsubstituted or substituted C 6-20 aryl groups, R O , R O* , R P and R P* are each independently halogen; hydrogen; C 1-30a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R O , R O* , R P and R P* Two of the groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups; During the ceremony, TIFF2025510021000065.tif318 indicates the point of attachment to P; (*) indicates the point of attachment to Cy.

[0148] In some embodiments, R O , R O* , R P and R P* are each independently a halogen, hydrogen, or C 1-30 Alkyl group, C 1-30 Alkoxy group, C 7-30 Alkylaryl group, C 7-30 Arylalkyl groups, C 6-30 Aryl group, C 6-30 Aryloxide group, C 7-30 Alkylaryloxy groups, and C 7-30 arylalkyloxy groups.

[0149] In some embodiments, R O , R O* , R P and RP* are each independently a halogen, hydrogen, or C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxide group, C 7-20 Alkylaryloxy groups, and C 7-20 arylalkyloxy groups.

[0150] In some embodiments, one R O group and one R P The groups are linked to form a cyclic hydrocarbyl group. In some embodiments, one R O group and one R P The groups are joined to form a cyclohexyl group.

[0151] In some embodiments, L is of the formula: [ka] and In the formula, R K and R L are each independently hydrogen, unsubstituted C 1-12 Alkyl groups, and unsubstituted or substituted C 6-20 aryl groups, R O and R O* are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R O and R O* Two of the groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups; During the ceremony, TIFF2025510021000067.tif318 indicates the point of attachment to P; (*) indicates the point of attachment to Cy.

[0152] In some embodiments, R O and R O* are each independently a halogen, hydrogen, or C 1-30 Alkyl group, C 1-30 Alkoxy group, C 7-30 Alkylaryl group, C 7-30 Arylalkyl groups, C 6-30 Aryl group, C 6-30 Aryloxide group, C 7-30 Alkylaryloxy groups, and C 7-30 arylalkyloxy groups.

[0153] In some embodiments, R O and R O* are each independently a halogen, hydrogen, or C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxide group, C 7-20 Alkylaryloxy groups, and C 7-20 arylalkyloxy groups.

[0154] In some embodiments, L is of the formula: [ka] and In the formula, R M , R N , R Q , and R Q* are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R M and R N two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; where R Q and R Q* Two of the groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups; During the ceremony, TIFF2025510021000069.tif318 indicates the point of attachment to P; (*) indicates the point of attachment to Cy.

[0155] In some embodiments, R M and R N are each independently a halogen, hydrogen, or C 1-30 Alkyl group, C 1-30 Alkoxy group, C 7-30 Alkylaryl group, C 7-30 Arylalkyl groups, C 6-30 Aryl group, C 6-30 Aryloxide group, C 7-30 Alkylaryloxy groups, and C 7-30 arylalkyloxy groups.

[0156] In some embodiments, R M and R N are each independently a halogen, hydrogen, or C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxide group, C 7-20 Alkylaryloxy groups, and C 7-20 arylalkyloxy groups.

[0157] In some embodiments, R M Group and R N The groups are linked to form a cyclic hydrocarbyl group.

[0158] In some embodiments, R M Group and R N groups are linked to form a phenylene group, the phenylene group being unsubstituted or containing a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 Arylalkyloxy group, -NR'2, amide group, -PR'2, phosphide group, -SR', thiolate group, formula -Si(R a )3, and silyl groups of the formula -Ge(R a wherein each R' is independently selected from the group consisting of hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; wherein each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups.

[0159] In some embodiments, R M Group and R N The groups are joined to form a phenylene group that is not further substituted.

[0160] In some embodiments, R Q and R Q* are each independently a halogen, hydrogen, or C 1-30 Alkyl group, C 1-30 Alkoxy group, C 7-30 Alkylaryl group, C 7-30 Arylalkyl groups, C 6-30 Aryl group, C 6-30 Aryloxide group, C 7-30 Alkylaryloxy groups, and C 7-30arylalkyloxy groups.

[0161] In some embodiments, R Q and R Q* are each independently a halogen, hydrogen, or C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxide group, C 7-20 Alkylaryloxy groups, and C 7-20 arylalkyloxy groups.

[0162] In embodiments, the silyl group has the formula —Si(R a ) 3, wherein R a The groups are independently hydrogen atoms, C 1-8 Alkyl or alkoxy group, C 6-10 Aryl groups, and C 6-10 aryloxy groups. In embodiments, the silyl group has the formula -Si(Ra), where the Ra groups are independently selected from the group 1-8 Alkyl or alkoxy group, C 6-10 Aryl groups, and C 6-10 aryloxy groups.

[0163] In some embodiments of the present disclosure, the oxy group has the formula -OR', where the R' group is a hydrogen atom, C 1-10 Alkyl groups, and C 6-10 aryl groups. In some embodiments of the present disclosure, the oxy group has the formula -OR', where the R' group is C 1-10 Alkyl groups, and C 6-10 aryl groups.

[0164] In some embodiments of the present disclosure, the amide group has the formula -NR', where the R' groups are independently selected from hydrogen atoms, C 1-10 Alkyl group, C6-10 aryl groups. In some embodiments of the present disclosure, the amide group has the formula —NR′ 2 , where the R′ groups are independently selected from the group 1-10 Alkyl groups, and C 6-10 aryl groups.

[0165] In some embodiments of the present disclosure, the phosphido group has the formula -PR'2, where the R' groups are independently selected from hydrogen atoms, C1-10 alkyl groups, and C 6-10 aryl groups. In some embodiments of the present disclosure, the phosphido group has the formula -PR'2, where the R' groups are independently selected from the group 1-10 Alkyl groups, and C 6-10 aryl groups.

[0166] In some embodiments of the present disclosure, the thiolate group has the formula -SR', where the R' group is a hydrogen atom, C 1-10 Alkyl groups, and C 6-10 aryl groups. In some embodiments of the present disclosure, the thiolate group has the formula -SR', where the R' group is C 1-10 Alkyl groups, and C 6-10 aryl groups.

[0167] In an embodiment of the present disclosure, the organometallic complex of formula I has formula IA: [ka] is an organometallic complex represented by In the formula, R 1 , R 2 , X 1 and Cy is as defined in Formula I above.

[0168] In an embodiment of the present disclosure, the organometallic complex of formula IB is represented by formula IB: [ka] is an organometallic complex represented by In the formula, R 1 , R 2 , R K , R L , X 1 and Cy is as defined in Formula I above.

[0169] In an embodiment of the present disclosure, the organometallic complex of formula I has the formula IC: [ka] is an organometallic complex represented by In the formula, R 1 , R 2 and X 1 Each of is as defined in Formula I above.

[0170] In an embodiment of the present disclosure, the organometallic complex of formula I is represented by the formula IC * : [ka] is an organometallic complex represented by In the formula, R 1 , R 2 and X 1 Each of is as defined in Formula I above.

[0171] In an embodiment of the present disclosure, the organometallic complex of formula I has formula ID: [ka] is an organometallic complex represented by In the formula, R 1 and R 2 is as defined in Formula I above.

[0172] In an embodiment of the present disclosure, the organometallic complex of formula I is represented by formula ID * : [ka] is an organometallic complex represented by In the formula, R 1 and R 2 is as defined in Formula I above.

[0173] In one embodiment of the present disclosure, the organometallic complex of formula I has the formula IE: [ka] It is an organometallic complex represented by the formula:

[0174] In one embodiment of the present disclosure, the organometallic complex of formula I is of formula IE * : [ka] It is an organometallic complex represented by the formula:

[0175] In one embodiment of the present disclosure, the organometallic complex of formula I has formula IF: [ka] It is an organometallic complex represented by the formula:

[0176] In one embodiment of the present disclosure, the organometallic complex of formula I is represented by the formula IF * : [ka] It is an organometallic complex represented by the formula:

[0177] In an embodiment of the present disclosure, the organometallic complex of formula I is represented by formula II: [ka] is an organometallic complex represented by In the formula, M, R 1 , R 2 , X1 and L is as defined above in Formula I; In the formula, R 3 , R 4 , R 5 and R 6 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 3 , R 4 , R5 and R 6 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 The organometallic complex is selected from the group consisting of aryl groups.

[0178] In some embodiments, R 3 , R 4 , R 5 and R 6 are each independently a halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C7-20 Alkylaryloxy groups, and C 7-20 and heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 arylalkyloxy groups; wherein R 3 , R 4 , R 5 and R 6 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 Arylalkyloxy group, -NR'2, amide group, -PR'2, phosphide group, -SR', thiolate group, formula -Si(R a )3, and silyl groups of the formula -Ge(R a wherein each R' is independently selected from the group consisting of hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; wherein each R a are independently hydrogen, C 1-8 Alkyl group, C1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups.

[0179] In some embodiments, R 3 , R 4 , R 5 and R 6 are each independently a halogen; hydrogen; and C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 arylalkyloxy groups; wherein R 3 , R 4 , R 5 and R 6 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 Arylalkyloxy group, -NR'2, amide group, -PR'2, phosphide group, -SR', thiolate group, formula -Si(R a )3, and silyl groups of the formula -Ge(R a wherein each R' is independently selected from the group consisting of hydrogen, C 1-20 Alkyl groups, and C 6-20aryl groups; wherein each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups.

[0180] In some embodiments, R 3 , R 4 , R 5 and R 6 are each independently selected from halogen; hydrogen; and heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 arylalkyloxy groups; wherein R 3 , R 4 , R 5 and R 6 two adjacent groups may be optionally joined to form a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 Arylalkyloxy group, -NR'2, amide group, -PR'2, phosphide group, -SR', thiolate group, formula -Si(R a )3, and silyl groups of the formula -Ge(R awherein each R' is independently selected from the group consisting of hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; wherein each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups.

[0181] In some embodiments, R 3 , R 4 , R 5 and R 6 are each independently a halogen, hydrogen, or C 1-30 Alkyl group, C 1-30 Alkoxy group, C 7-30 Alkylaryl group, C 7-30 Arylalkyl groups, C 6-30 Aryl group, C 6-30 Aryloxide group, C 7-30 Alkylaryloxy groups, and C 7-30 arylalkyloxy groups.

[0182] In some embodiments, R 3 , R 4 , R 5 and R 6 are each independently a halogen, hydrogen, or C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxide group, C 7-20 Alkylaryloxy groups, and C 7-20 arylalkyloxy groups.

[0183] In some embodiments, R 3 , R 4 , R 5 and R6 are each independently a halogen, hydrogen, or C 1-30 The hydrocarbyl group is selected from the group consisting of: hydrocarbyl groups that are unsubstituted or further substituted with one or more halogen atoms.

[0184] In some embodiments, R 3 , R 4 , R 5 and R 6 are each independently a halogen, hydrogen, or C 1-30 The heteroatom-containing hydrocarbyl group is selected from the group consisting of heteroatom-containing hydrocarbyl groups that are unsubstituted or further substituted with one or more halogen atoms.

[0185] In some embodiments, R 3 , R 4 , R 5 and R 6 are each independently hydrogen and C 1-30 The hydrocarbyl group is selected from the group consisting of: hydrocarbyl groups that are unsubstituted or further substituted with one or more halogen atoms.

[0186] In some embodiments, R 3 , R 4 , R 5 and R 6 are each independently hydrogen and C 1-30 The heteroatom-containing hydrocarbyl group is selected from the group consisting of heteroatom-containing hydrocarbyl groups that are unsubstituted or further substituted with one or more halogen atoms.

[0187] In some embodiments, R 3 , R 4 , R 5 and R 6 are each hydrogen.

[0188] In an embodiment of the present disclosure, the organometallic complex of formula II is represented by formula III: [ka] is an organometallic complex represented by In the formula, M, R 1 , R 2 , R 3 , R 4 , R 5 , R 6 and X 1 is as defined above in Formula I and Formula II; In the formula, R 7 , R 8 , R 9 and R 10 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 7 , R 8 , R 9 and R 10 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 The organometallic complex is selected from the group consisting of aryl groups.

[0189] In some embodiments, R 7 , R 8 , R 9 and R 10 are each independently a halogen; hydrogen; C 1-30a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 and heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 arylalkyloxy groups; wherein R 7 , R 8 , R 9 and R 10 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 Arylalkyloxy group, -NR'2, amide group, -PR'2, phosphide group, -SR', thiolate group, formula -Si(R a )3, and silyl groups of the formula -Ge(R awherein each R' is independently selected from the group consisting of hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; wherein each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups.

[0190] In some embodiments, R 7 , R 8 , R 9 and R 10 are each independently a halogen; hydrogen; and C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 arylalkyloxy groups; wherein R 7 , R 8 , R 9 and R 10 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20Arylalkyloxy group, -NR'2, amide group, -PR'2, phosphide group, -SR', thiolate group, formula -Si(R a )3, and silyl groups of the formula -Ge(R a wherein each R' is independently selected from the group consisting of hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; wherein each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups.

[0191] In some embodiments, R 7 , R 8 , R 9 and R 10 are each independently selected from halogen; hydrogen; and heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 arylalkyloxy groups; wherein R 7 , R 8 , R 9 and R 10 two adjacent groups may be optionally joined to form a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 Arylalkyloxy group, -NR'2, amide group, -PR'2, phosphide group, -SR', thiolate group, formula -Si(R a )3, and silyl groups of the formula -Ge(R a wherein each R' is independently selected from the group consisting of hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; wherein each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups.

[0192] In some embodiments, R 7 , R 8 , R 9 and R 10 are each independently a halogen, hydrogen, or C 1-30 Alkyl group, C 1-30 Alkoxy group, C 7-30 Alkylaryl group, C 7-30 Arylalkyl groups, C 6-30 Aryl group, C 6-30 Aryloxide group, C 7-30 Alkylaryloxy groups, and C 7-30 arylalkyloxy groups.

[0193] In some embodiments, R 7 , R 8 , R 9 and R 10 are each independently a halogen, hydrogen, or C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C6-20 Aryloxide group, C 7-20 Alkylaryloxy groups, and C 7-20 arylalkyloxy groups.

[0194] In some embodiments, R 7 , R 8 , R 9 and R 10 are each independently a halogen, hydrogen, or C 1-30 The hydrocarbyl group is selected from the group consisting of: hydrocarbyl groups that are unsubstituted or further substituted with one or more halogen atoms.

[0195] In some embodiments, R 7 , R 8 , R 9 and R 10 are each independently a halogen, hydrogen, or C 1-30 The heteroatom-containing hydrocarbyl group is selected from the group consisting of heteroatom-containing hydrocarbyl groups that are unsubstituted or further substituted with one or more halogen atoms.

[0196] In some embodiments, R 7 , R 8 , R 9 and R 10 are each independently hydrogen and C 1-30 The hydrocarbyl group is selected from the group consisting of: hydrocarbyl groups that are unsubstituted or further substituted with one or more halogen atoms.

[0197] In some embodiments, R 7 , R 8 , R 9 and R 10 are each independently hydrogen and C 1-30 The heteroatom-containing hydrocarbyl group is selected from the group consisting of heteroatom-containing hydrocarbyl groups that are unsubstituted or further substituted with one or more halogen atoms.

[0198] In some embodiments, R 7 , R 8 , R 9 and R 10 are each hydrogen.

[0199] In an embodiment of the present disclosure, the organometallic complex of formula II is represented by formula IV: [ka] is an organometallic complex represented by In the formula, M, R 1 , R 2 , R 3 , R 4 , R 5 , R 6 and X 1 is as defined above in Formula I and Formula II; wherein G is a Group 14 element; In the formula, R Q and R Q* are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; where R Q and R Q* The groups may be optionally linked to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; In the formula, R 7 , R 8 , R 9 and R 10 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 7 , R 8 , R 9 and R 10 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 The organometallic complex is selected from the group consisting of aryl groups.

[0200] In some embodiments, G is carbon C, or silicon Si, or germanium Ge. In some embodiments, G is carbon C or silicon Si. In some embodiments, G is a carbon C. In some embodiments, G is silicon Si. In some embodiments, G is germanium, Ge.

[0201] In some embodiments, R Q and R Q* are each independently a halogen, hydrogen, or C 1-30 Alkyl group, C 1-30 Alkoxy group, C 7-30 Alkylaryl group, C 7-30 Arylalkyl groups, C 6-30 Aryl group, C 6-30 Aryloxide group, C 7-30 Alkylaryloxy groups, and C 7-30 arylalkyloxy groups.

[0202] In some embodiments, R Q and R Q* are each independently a halogen, hydrogen, or C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxide group, C 7-20Alkylaryloxy groups, and C 7-20 arylalkyloxy groups.

[0203] In an embodiment, R Q and R Q* are each independently hydrogen, C 1-20 Alkyl groups and C 6-20 aryl groups.

[0204] In embodiments, each R Q and R Q* are each independently C 1-8 It is an alkyl group. In embodiments, each R Q and R Q* are each independently C 6-20 It is an aryl group. In embodiments, R Q is hydrogen and R Q* is C 1-8 It is an alkyl group. In embodiments, R Q is hydrogen and R Q* is C 6-20 It is an aryl group. In embodiments, R Q is hydrogen and R Q* is a methyl group. In embodiments, R Q is hydrogen and R Q* is a phenyl group. In embodiments, R Q and R Q* are each hydrogen.

[0205] In some embodiments, R 7 , R 8 , R 9 and R 10 are each independently a halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 and heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 arylalkyloxy groups; wherein R 7 , R 8 , R 9 and R 10 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 Arylalkyloxy group, -NR'2, amide group, -PR'2, phosphide group, -SR', thiolate group, formula -Si(R a )3, and silyl groups of the formula -Ge(R a wherein each R' is independently selected from the group consisting of hydrogen, C 1-20 Alkyl groups, and C 6-20aryl groups; wherein each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups.

[0206] In some embodiments, R 7 , R 8 , R 9 and R 10 are each independently a halogen; hydrogen; and C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 arylalkyloxy groups; wherein R 7 , R 8 , R 9 and R 10 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 Arylalkyloxy group, -NR'2, amide group, -PR'2, phosphide group, -SR', thiolate group, formula -Si(R a )3, and silyl groups of the formula -Ge(R awherein each R' is independently selected from the group consisting of hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; wherein each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups.

[0207] In some embodiments, R 7 , R 8 , R 9 and R 10 are each independently selected from halogen; hydrogen; and heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 arylalkyloxy groups; wherein R 7 , R 8 , R 9 and R 10 two adjacent groups may be optionally joined to form a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20Arylalkyloxy group, -NR'2, amide group, -PR'2, phosphide group, -SR', thiolate group, formula -Si(R a )3, and silyl groups of the formula -Ge(R a wherein each R' is independently selected from the group consisting of hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; wherein each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups.

[0208] In some embodiments, R 7 , R 8 , R 9 and R 10 are each independently a halogen, hydrogen, or C 1-30 Alkyl group, C 1-30 Alkoxy group, C 7-30 Alkylaryl group, C 7-30 Arylalkyl groups, C 6-30 Aryl group, C 6-30 Aryloxide group, C 7-30 Alkylaryloxy groups, and C 7-30 arylalkyloxy groups.

[0209] In some embodiments, R 7 , R 8 , R 9 and R 10 are each independently a halogen, hydrogen, or C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxide group, C 7-20 Alkylaryloxy groups, and C 7-20 arylalkyloxy groups.

[0210] In some embodiments, R 7 , R 8 , R 9 and R 10 are each independently a halogen, hydrogen, or C 1-30 The hydrocarbyl group is selected from the group consisting of: hydrocarbyl groups that are unsubstituted or further substituted with one or more halogen atoms.

[0211] In some embodiments, R 7 , R 8 , R 9 and R 10 are each independently a halogen, hydrogen, or C 1-30 The heteroatom-containing hydrocarbyl group is selected from the group consisting of heteroatom-containing hydrocarbyl groups that are unsubstituted or further substituted with one or more halogen atoms.

[0212] In some embodiments, R 7 , R 8 , R 9 and R 10 are each independently hydrogen and C 1-30 The hydrocarbyl group is selected from the group consisting of: hydrocarbyl groups that are unsubstituted or further substituted with one or more halogen atoms.

[0213] In some embodiments, R 7 , R 8 , R 9 and R 10 are each independently hydrogen and C 1-30 The heteroatom-containing hydrocarbyl group is selected from the group consisting of heteroatom-containing hydrocarbyl groups that are unsubstituted or further substituted with one or more halogen atoms.

[0214] In some embodiments, R 7 , R 8 , R 9 and R 10 are each hydrogen.

[0215] In an embodiment of the present disclosure, the organometallic complex of formula I is represented by formula V: [ka] is an organometallic complex represented by In the formula, M, R 1 , R 2 , X 1 and L is as defined above in Formula I; In the formula, R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 The organometallic complex is selected from the group consisting of aryl groups.

[0216] In some embodiments, R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 are each independently a halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 and heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 arylalkyloxy groups; wherein R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 Arylalkyloxy group, -NR'2, amide group, -PR'2, phosphide group, -SR', thiolate group, formula -Si(R a )3, and silyl groups of the formula -Ge(R a wherein each R' is independently selected from the group consisting of hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; wherein each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups.

[0217] In some embodiments, R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 are each independently a halogen; hydrogen; and C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 arylalkyloxy groups; wherein R 11, R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 Arylalkyloxy group, -NR'2, amide group, -PR'2, phosphide group, -SR', thiolate group, formula -Si(R a )3, and silyl groups of the formula -Ge(R a wherein each R' is independently selected from the group consisting of hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; wherein each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups.

[0218] In some embodiments, R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 are each independently selected from halogen; hydrogen; and heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 arylalkyloxy groups; wherein R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 two adjacent groups may be optionally joined to form a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 Arylalkyloxy group, -NR'2, amide group, -PR'2, phosphide group, -SR', thiolate group, formula -Si(R a )3, and silyl groups of the formula -Ge(R a wherein each R' is independently selected from the group consisting of hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; wherein each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups.

[0219] In some embodiments, R 11 , R 12 , R 13 , R 14, R 15 , R 16 , R 17 , R 18 are each independently a halogen, hydrogen, or C 1-30 Alkyl group, C 1-30 Alkoxy group, C 7-30 Alkylaryl group, C 7-30 Arylalkyl groups, C 6-30 Aryl group, C 6-30 Aryloxide group, C 7-30 Alkylaryloxy groups, and C 7-30 arylalkyloxy groups.

[0220] In some embodiments, R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 are each independently a halogen, hydrogen, or C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxide group, C 7-20 Alkylaryloxy groups, and C 7-20 arylalkyloxy groups.

[0221] In some embodiments, R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 are each independently a halogen, hydrogen, or C 1-30 The hydrocarbyl group is selected from the group consisting of: hydrocarbyl groups that are unsubstituted or further substituted with one or more halogen atoms.

[0222] In some embodiments, R 11, R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 are each independently a halogen, hydrogen, or C 1-30 The heteroatom-containing hydrocarbyl group is selected from the group consisting of heteroatom-containing hydrocarbyl groups that are unsubstituted or further substituted with one or more halogen atoms.

[0223] In some embodiments, R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 are each independently hydrogen and C 1-30 The hydrocarbyl group is selected from the group consisting of: hydrocarbyl groups that are unsubstituted or further substituted with one or more halogen atoms.

[0224] In some embodiments, R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 are each independently hydrogen and C 1-30 The heteroatom-containing hydrocarbyl group is selected from the group consisting of heteroatom-containing hydrocarbyl groups that are unsubstituted or further substituted with one or more halogen atoms.

[0225] In some embodiments, R 12 and R 17 are each independently an unsubstituted C 1-30 It is a hydrocarbyl group. In some embodiments, R 13 and R 16 are each independently an unsubstituted C 1-30 It is a hydrocarbyl group. In some embodiments, R 12 and R 17 is C 1-20 It is an alkyl group. In some embodiments, R 13 and R 16 is C 1-20 It is an alkyl group. In some embodiments, R 12 and R 17 is C 6-20 It is an aryl group. In some embodiments, R 13 and R 16 is C 6-20 It is an aryl group. In some embodiments, R 12 and R 17 are each tert-butyl groups. In some embodiments, R 13 and R 16 are each tert-butyl groups.

[0226] In some embodiments, R 11 , R 13 , R 14 , R 15 , R 16 and R 18 are each hydrogen. In some embodiments, R 11 , R 12 , R 14 , R 15 , R 17 and R 18 are each hydrogen. In some embodiments, R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 and R 18 are each hydrogen. In some embodiments, R 11 , R 13 , R 14 , R 15 , R 16 and R 18are each hydrogen, and R 12 and R 17 are each independently an unsubstituted C 1-30 It is a hydrocarbyl group. In some embodiments, R 11 , R 13 , R 14 , R 15 , R 16 and R 18 are each hydrogen, and R 12 and R 17 are each tert-butyl groups. In some embodiments, R 11 , R 12 , R 14 , R 15 , R 17 and R 18 are each hydrogen, and R 13 and R 16 are each independently an unsubstituted C 1-30 It is a hydrocarbyl group. In some embodiments, R 11 , R 12 , R 14 , R 15 , R 17 and R 18 are each hydrogen, and R 13 and R 16 are each tert-butyl groups.

[0227] In an embodiment of the present disclosure, the organometallic complex of formula V is represented by formula VI: [ka] is an organometallic complex represented by In the formula, M, R 1 , R 2 , R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 , and X 1 is as defined above in Formula I and Formula V; In the formula, R7 , R 8 , R 9 and R 10 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR'; amide group, -NR'2; phosphido group, -PR'2; thiolate group, -SR'; Formula -Si(R a ) silyl group of 3; Formula -Ge(R a )3 germanyl group; selected from the group consisting of: where R 7 , R 8 , R 9 and R 10two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; wherein each R' is independently hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; Here, each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 The organometallic complex is selected from the group consisting of aryl groups.

[0228] In some embodiments, R 7 , R 8 , R 9 and R 10 are each independently a halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C7-20 and heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 arylalkyloxy groups; wherein R 7 , R 8 , R 9 and R 10 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, and the cyclic hydrocarbyl group or the cyclic heteroatom-containing hydrocarbyl group may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 Arylalkyloxy group, -NR'2, amide group, -PR'2, phosphide group, -SR', thiolate group, formula -Si(R a )3, and silyl groups of the formula -Ge(R a wherein each R' is independently selected from the group consisting of hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; wherein each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20Aryloxy group and C 6-20 aryl groups.

[0229] In some embodiments, R 7 , R 8 , R 9 and R 10 are each independently a halogen; hydrogen; and C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 arylalkyloxy groups; wherein R 7 , R 8 , R 9 and R 10 two adjacent groups may optionally be joined to form a cyclic hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 Arylalkyloxy group, -NR'2, amide group, -PR'2, phosphide group, -SR', thiolate group, formula -Si(R a )3, and silyl groups of the formula -Ge(R a wherein each R' is independently selected from the group consisting of hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; wherein each R aare independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups.

[0230] In some embodiments, R 7 , R 8 , R 9 and R 10 are each independently selected from halogen; hydrogen; and heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 arylalkyloxy groups; wherein R 7 , R 8 , R 9 and R 10 two adjacent groups may be optionally joined to form a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 Arylalkyloxy group, -NR'2, amide group, -PR'2, phosphide group, -SR', thiolate group, formula -Si(R a )3, and silyl groups of the formula -Ge(R awherein each R' is independently selected from the group consisting of hydrogen, C 1-20 Alkyl groups, and C 6-20 aryl groups; wherein each R a are independently hydrogen, C 1-8 Alkyl group, C 1-8 Alkoxy group, C 6-20 Aryloxy group and C 6-20 aryl groups.

[0231] In some embodiments, R 7 , R 8 , R 9 and R 10 are each independently a halogen, hydrogen, or C 1-30 Alkyl group, C 1-30 Alkoxy group, C 7-30 Alkylaryl group, C 7-30 Arylalkyl groups, C 6-30 Aryl group, C 6-30 Aryloxide group, C 7-30 Alkylaryloxy groups, and C 7-30 arylalkyloxy groups.

[0232] In some embodiments, R 7 , R 8 , R 9 and R 10 are each independently a halogen, hydrogen, or C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxide group, C 7-20 Alkylaryloxy groups, and C 7-20 arylalkyloxy groups.

[0233] In some embodiments, R 7 , R 8 , R 9 and R10 are each independently a halogen, hydrogen, or C 1-30 The hydrocarbyl group is selected from the group consisting of: hydrocarbyl groups that are unsubstituted or further substituted with one or more halogen atoms.

[0234] In some embodiments, R 7 , R 8 , R 9 and R 10 are each independently a halogen, hydrogen, or C 1-30 The heteroatom-containing hydrocarbyl group is selected from the group consisting of heteroatom-containing hydrocarbyl groups that are unsubstituted or further substituted with one or more halogen atoms.

[0235] In some embodiments, R 7 , R 8 , R 9 and R 10 are each independently hydrogen and C 1-30 The hydrocarbyl group is selected from the group consisting of: hydrocarbyl groups that are unsubstituted or further substituted with one or more halogen atoms.

[0236] In some embodiments, R 7 , R 8 , R 9 and R 10 are each independently hydrogen and C 1-30 The heteroatom-containing hydrocarbyl group is selected from the group consisting of heteroatom-containing hydrocarbyl groups that are unsubstituted or further substituted with one or more halogen atoms.

[0237] In some embodiments, R 7 , R 8 , R 9 and R 10 are each hydrogen. In some embodiments, R 7 , R 8 , R 9 and R 10 are each hydrogen, and R 11 , R12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 are each independently a halogen, hydrogen, or C 1-30 Alkyl groups, and C 6-30 aryl groups. In some embodiments, R 7 , R 8 , R 9 and R 10 are each hydrogen, and R 11 , R 13 , R 14 , R 15 , R 16 and R 18 are each hydrogen, and R 12 and R 17 are each independently C 1-20 Alkyl group or C 6-20 It is an aryl group. In some embodiments, R 7 , R 8 , R 9 and R 10 are each hydrogen, and R 11 , R 13 , R 14 , R 15 , R 16 and R 18 are each hydrogen, and R 12 and R 17 are each tert-butyl groups. In some embodiments, R 7 , R 8 , R 9 and R 10 are each hydrogen, and R 11 , R 12 , R 14 , R 15 , R 17 and R 18 are each hydrogen, and R 13 and R 16 are each independently C 1-20 Alkyl group or C 6-20 It is an aryl group. In some embodiments, R7 , R 8 , R 9 and R 10 are each hydrogen, and R 11 , R 12 , R 14 , R 15 , R 17 and R 18 are each hydrogen, and R 13 and R 16 are each tert-butyl groups.

[0238] In an embodiment of the present disclosure, the organometallic complex of formula VI is represented by formula VIa: [ka] is an organometallic complex represented by In the formula, M, R 1 , R 2 , R 12 , R 17 and X 1 is as defined above in Formula I and Formula V.

[0239] In an embodiment of the present disclosure, the organometallic complex of formula VI is represented by formula VIb: [ka] is an organometallic complex represented by In the formula, M, R 1 , R 2 and X 1 is as defined in Formula I above.

[0240] In an embodiment of the present disclosure, the organometallic complex of formula VI is represented by formula IVc: [ka] is an organometallic complex represented by In the formula, R 1 , R 2 , R 12 , R 17 and X 1is as defined above in Formula I and Formula V.

[0241] In an embodiment of the present disclosure, the organometallic complex of formula VI is represented by formula VId: [ka] is an organometallic complex represented by In the formula, R 1 , R 2 and X 1 is as defined in Formula I above.

[0242] In an embodiment of the present disclosure, the organometallic complex of formula VI is represented by formula VIe: [ka] is an organometallic complex represented by In the formula, X 1 is as defined in Formula I above.

[0243] In one embodiment of the present disclosure, the organometallic complex of formula VI has the formula VIf: [ka] It is an organometallic complex represented by the formula:

[0244] In one embodiment of the present disclosure, the organometallic complex of formula VI is represented by formula VIg: [ka] It is an organometallic complex represented by the formula:

[0245] In one embodiment of the present disclosure, the organometallic complex of formula VI is represented by formula VIh: [ka] is an organometallic complex represented by In the formula, M and X 1is as defined in Formula I above.

[0246] In one embodiment of the present disclosure, the organometallic complex of formula VI is represented by formula VIi: [ka] is an organometallic complex represented by In the formula, M and X 1 is as defined in Formula I above.

[0247] In an embodiment of the present disclosure, the organometallic complex of formula V is represented by formula VII: [ka] is an organometallic complex represented by In the formula, M, R 1 , R 2 , R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 , and X 1 is as defined above in Formula I and Formula V; wherein G is a Group 14 element; In the formula, R Q and R Q* are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; where R Q and R Q* The groups may be optionally linked to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy group, C 7-20 an arylalkyloxy group, an amide group of the formula -NR'2, a phosphido group of the formula -PR'2, a thiolate group of the formula -SR', a thiolate group of the formula -Si(R a )3, and silyl groups of the formula -Ge(R a ) further substituted by one or more substituents selected from the group consisting of germanyl groups; In the formula, R 7 , R 8 , R 9 and R 10 are each independently halogen; hydrogen; C 1-30 a hydrocarbyl group (which may be unsubstituted or may contain a halogen atom, C1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Heteroatom-containing C 1-30 Hydrocarbyl groups (which heteroatom-containing hydrocarbyl groups may be unsubstituted or may contain halogen atoms, C 1-20 Alkyl group, C 1-20 Alkoxy group, C 7-20 Alkylaryl group, C 7-20 Arylalkyl groups, C 6-20 Aryl group, C 6-20 Aryloxy group, C 7-20 Alkylaryloxy groups, and C 7-20 further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; oxy group, -OR...

Claims

1. Organometallic complexes having the formula I: 【Chemistry 1】 It is expressed as During the ceremony, M is Ti, Zr or Hf; R １ and R ２ are each independently hydrogen and R Ｘ or R １ and R ２ are unsubstituted or are, together with the P atom to which they are attached, a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ forming a 3-10 membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R Ｘ are independently a halogen atom; １－３０ A hydrocarbyl group, which may be unsubstituted or may contain one or more halogen atoms, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, and / or C ７－２０ and the formula -NR' is further substituted by an arylalkyloxy group; ２ an amide group of the formula -Si(R ａ ) ３ a silyl group of the formula -Ge(R ａ ) ３ and a germanyl group of the formula N=P(R ｂ ) (R ｃ ) (R ｄ wherein each R' is independently selected from the group consisting of hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; R ｂ , R ｃ , R ｄ are each independently １－２０ is an alkyl group; each X １ is an activatable ligand; Cy is a cyclopentadienyl-type ligand covalently bonded to L and coordinated to M via an η-bond; L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising 2 or 3 atoms; Organometallic complexes.

2. 2. The organometallic complex of claim 1, having formula II: 【Chemistry 2】 It is expressed as In the formula, R ３ , R ４ , R ５ and R ６ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; An oxy group, -OR'; Amide group, -NR' ２ ; Phosphide group, -PR' ２ ; A thiolate group, -SR'; Formula -Si(R ａ ) ３ A silyl group of the formula: Formula -Ge(R ａ ) ３ a germanyl group; selected from the group consisting of: Here, R ３ , R ４ , R ５ and R ６ Two adjacent groups may be optionally joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: where each R' is independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; Here, each R ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; The organometallic complex.

3. 3. The organometallic complex of claim 2, having formula III: 【Chemistry 3】 It is expressed as In the formula, R ７ , R ８ , R ９ and R １０ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; An oxy group, -OR'; Amide group, -NR' ２ ; Phosphide group, -PR' ２ ; A thiolate group, -SR'; Formula -Si(R ａ ) ３ A silyl group of the formula: Formula -Ge(R ａ ) ３ a germanyl group; selected from the group consisting of: Here, R ７ , R ８ , R ９ and R １０ Two adjacent groups may be optionally joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: where each R' is independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; Here, each R ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; The organometallic complex.

4. 3. The organometallic complex of claim 2, having formula IV: 【Chemistry 4】 It is expressed as wherein G is C or Si; In the formula, R Ｑ and R Ｑ＊ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Here, R Ｑ and R Ｑ＊ may be optionally linked to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: In the formula, R ７ , R ８ , R ９ and R １０ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; An oxy group, -OR'; Amide group, -NR' ２ ; Phosphide group, -PR' ２ ; A thiolate group, -SR'; Formula -Si(R ａ ) ３ A silyl group of the formula: Formula -Ge(R ａ ) ３ a germanyl group; selected from the group consisting of: Here, R ７ , R ８ , R ９ and R １０ Two adjacent groups may be optionally joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: where each R' is independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; Here, each R ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; The organometallic complex.

5. 2. The organometallic complex of claim 1, having formula V: 【Chemistry 5】 It is expressed as In the formula, R １１ , R １２ , R １３ , R １４ , R １５ , R １６ , R １７ , R １８ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; An oxy group, -OR'; Amide group, -NR' ２ ; Phosphide group, -PR' ２ ; A thiolate group, -SR'; Formula -Si(R ａ ) ３ A silyl group of the formula: Formula -Ge(R ａ ) ３ a germanyl group; selected from the group consisting of: Here, R １１ , R １２ , R １３ , R １４ , R １５ , R １６ , R １７ , R １８ Two adjacent groups may be optionally joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: where each R' is independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; Here, each R ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; The organometallic complex.

6. 6. The organometallic complex of claim 5, having formula VI: 【Chemistry 6】 It is expressed as In the formula, R ７ , R ８ , R ９ and R １０ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; An oxy group, -OR'; Amide group, -NR' ２ ; Phosphide group, -PR' ２ ; A thiolate group, -SR'; Formula -Si(R ａ ) ３ A silyl group of the formula: Formula -Ge(R ａ ) ３ a germanyl group; selected from the group consisting of: Here, R ７ , R ８ , R ９ and R １０ Two adjacent groups may be optionally joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: where each R' is independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; Here, each R ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; The organometallic complex.

7. 7. The organometallic complex of claim 6, wherein M is Ti.

8. R ７ , R ８ , R ９ and R １０ The organometallic complex of claim 6 , wherein each is hydrogen.

9. R １ and R ２ each independently represents an unsubstituted C １－３０ 7. The organometallic complex of claim 6, wherein the group is a hydrocarbyl group.

10. R １ and R ２ 10. The organometallic complex of claim 9, wherein each is independently selected from the group consisting of isopropyl, cyclohexyl, and tert-butyl.

11. R １２ and R １７ each independently represents an unsubstituted C １－３０ is a hydrocarbyl group, R １１ , R １３ , R １４ , R １５ , R １６ and R １８ The organometallic complex of claim 6 , wherein each is hydrogen.

12. R １２ and R １７ The organometallic complex of claim 11, wherein each is a tert-butyl group.

13. each X １ But independently, C １－６ Alkyl group, C ７－１０ 7. The organometallic complex of claim 6, wherein the aryl group is selected from the group consisting of arylalkyl groups and halogens.

14. each X １ 14. The organometallic complex of claim 13, wherein is independently selected from the group consisting of a methyl group and Cl.

15. 6. The organometallic complex of claim 5, having formula VII: 【Chemistry 7】 It is expressed as wherein G is C or Si; In the formula, R Ｑ and R Ｑ＊ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Here, R Ｑ and R Ｑ＊ may be optionally linked to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: In the formula, R ７ , R ８ , R ９ and R １０ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; An oxy group, -OR'; Amide group, -NR' ２ ; Phosphide group, -PR' ２ ; A thiolate group, -SR'; Formula -Si(R ａ ) ３ A silyl group of the formula: Formula -Ge(R ａ ) ３ a germanyl group; selected from the group consisting of: Here, R ７ , R ８ , R ９ and R １０ Two adjacent groups may be optionally joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: where each R' is independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; Here, each R ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; The organometallic complex.

16. 16. The organometallic complex of claim 15, wherein M is Ti.

17. R ７ , R ８ , R ９ and R １０ 16. The organometallic complex of claim 15, wherein each is hydrogen.

18. R １ and R ２ each independently represents an unsubstituted C １－３０ 16. The organometallic complex of claim 15, wherein the group is a hydrocarbyl group.

19. R １ and R ２ 20. The organometallic complex of claim 18, wherein each is independently selected from the group consisting of isopropyl, cyclohexyl, and tert-butyl.

20. R １２ and R １７ each independently represents an unsubstituted C １－３０ is a hydrocarbyl group, R １１ , R １３ , R １４ , R １５ , R １６ and R １８ 16. The organometallic complex of claim 15, wherein each is hydrogen.

21. R １２ and R １７ The organometallic complex of claim 20, wherein each is a tert-butyl group.

22. 16. The organometallic complex of claim 15, wherein G is carbon.

23. R Ｑ and R Ｑ＊ each independently represents hydrogen, C １－２０ Alkyl group and C ６－２０ 23. The organometallic complex of claim 22, wherein the aryl group is selected from the group consisting of aryl groups.

24. R Ｑ is hydrogen, R Ｑ＊ C １－８ 23. The organometallic complex of claim 22, which is an alkyl group.

25. each X １ But independently, C １－６ Alkyl group, C ７－１０ 16. The organometallic complex of claim 15, wherein the alkyl group is selected from the group consisting of arylalkyl groups and halogens.

26. each X １ 26. The organometallic complex of claim 25, wherein is independently selected from the group consisting of a methyl group and Cl.

27. 2. The organometallic complex of claim 1, having formula VIII: 【Chemistry 8】 It is expressed as In the formula, R ２３ teeth, hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; selected from the group consisting of: In the formula, R １９ , R ２０ , R ２１ , R ２２ , R ２４ , R ２５ , R ２６ , and R ２７ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; An oxy group, -OR'; Amide group, -NR' ２ ; Phosphide group, -PR' ２ ; A thiolate group, -SR'; Formula -Si(R ａ ) ３ A silyl group of the formula: Formula -Ge(R ａ ) ３ a germanyl group; selected from the group consisting of: Here, R １９ , R ２０ , R ２１ , R ２２ , R ２４ , R ２５ , R ２６ , and R ２７ Two adjacent groups may be optionally joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: where each R' is independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; Here, each R ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; The organometallic complex.

28. 28. The organometallic complex of claim 27, having formula IX: 【Chemistry 9】 It is expressed as In the formula, R ７ , R ８ , R ９ and R １０ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; An oxy group, -OR'; Amide group, -NR' ２ ; Phosphide group, -PR' ２ ; A thiolate group, -SR'; Formula -Si(R ａ ) ３ A silyl group of the formula: Formula -Ge(R ａ ) ３ a germanyl group; selected from the group consisting of: Here, R ７ , R ８ , R ９ and R １０ Two adjacent groups may be optionally joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: where each R' is independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; Here, each R ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; The organometallic complex.

29. 29. The organometallic complex of claim 28, wherein M is Ti.

30. R ７ , R ８ , R ９ and R １０ 30. The organometallic complex of claim 28, wherein each is hydrogen.

31. R １ and R ２ each independently represents an unsubstituted C １－３０ 30. The organometallic complex of claim 28, wherein the group is a hydrocarbyl group.

32. R １ and R ２ 32. The organometallic complex of claim 31, wherein each is independently selected from the group consisting of isopropyl, cyclohexyl, and tert-butyl.

33. R ２３ is unsubstituted C １－３０ 30. The organometallic complex of claim 28, wherein the group is a hydrocarbyl group.

34. R ２３ But, C １－８ 34. The organometallic complex of claim 33, which is an alkyl group.

35. R ２０ is unsubstituted C １－３０ 30. The organometallic complex of claim 28, wherein the group is a hydrocarbyl group.

36. R ２０ But, C １－８ 36. The organometallic complex of claim 35, which is an alkyl group.

37. R ２０ is unsubstituted C １－３０ is a hydrocarbyl group, R １９ , R ２１ , R ２２ , R ２４ , R ２５ , R ２６ , and R ２７ 30. The organometallic complex of claim 28, wherein each is hydrogen.

38. R ２０ But, C １－８ 38. The organometallic complex of claim 37, which is an alkyl group.

39. each X １ But independently, C １－６ Alkyl group, C ７－１０ 30. The organometallic complex of claim 28, wherein the alkyl group is selected from the group consisting of arylalkyl groups and halogens.

40. each X １ 40. The organometallic complex of claim 39, wherein is independently selected from the group consisting of a methyl group and Cl.

41. 1. An olefin polymerization catalyst system comprising: i) An organometallic complex having the formula I: 【Chemistry 10】 It is expressed as During the ceremony, M is Ti, Zr or Hf; R １ and R ２ are each independently hydrogen and R Ｘ or R １ and R ２ are unsubstituted or are, together with the P atom to which they are attached, a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ forming a 3-10 membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R Ｘ are independently a halogen atom; １－３０ A hydrocarbyl group, which may be unsubstituted or may contain one or more halogen atoms, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, and / or C ７－２０ and the formula -NR' is further substituted by an arylalkyloxy group; ２ an amide group of the formula -Si(R ａ ) ３ a silyl group of the formula -Ge(R ａ ) ３ and a germanyl group of the formula N=P(R ｂ ) (R ｃ ) (R ｄ wherein each R' is independently selected from the group consisting of hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; R ｂ , R ｃ , R ｄ are each independently １－２０ is an alkyl group; each X １ is an activatable ligand; Cy is a cyclopentadienyl-type ligand covalently bonded to L and coordinated to M via an η-bond; L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising 2 or 3 atoms; ii) a catalyst activator; and 1. An olefin polymerization catalyst system comprising:

42. 42. The olefin polymerization catalyst system of claim 41, wherein the organometallic complex is represented by formula II: 【Chemistry 11】 It is expressed as In the formula, R ３ , R ４ , R ５ and R ６ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; An oxy group, -OR'; Amide group, -NR' ２ ; Phosphide group, -PR' ２ ; A thiolate group, -SR'; Formula -Si(R ａ ) ３ A silyl group of the formula: Formula -Ge(R ａ ) ３ a germanyl group; selected from the group consisting of: Here, R ３ , R ４ , R ５ and R ６ Two adjacent groups may be optionally joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: where each R' is independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; Here, each R ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; The olefin polymerization catalyst system described above.

43. 43. The olefin polymerization catalyst system of claim 42, wherein the organometallic complex has the formula III: 【Chemistry 12】 It is expressed as In the formula, R ７ , R ８ , R ９ and R １０ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; An oxy group, -OR'; Amide group, -NR' ２ ; Phosphide group, -PR' ２ ; A thiolate group, -SR'; Formula -Si(R ａ ) ３ A silyl group of the formula: Formula -Ge(R ａ ) ３ a germanyl group; selected from the group consisting of: Here, R ７ , R ８ , R ９ and R １０ Two adjacent groups may be optionally joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: where each R' is independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; Here, each R ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; The olefin polymerization catalyst system described above.

44. 43. The olefin polymerization catalyst system of claim 42, wherein the organometallic complex is represented by formula IV: 【Chemistry 13】 It is expressed as wherein G is C or Si; In the formula, R Ｑ and R Ｑ＊ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Here, R Ｑ and R Ｑ＊ may be optionally linked to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: In the formula, R ７ , R ８ , R ９ and R １０ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; An oxy group, -OR'; Amide group, -NR' ２ ; Phosphide group, -PR' ２ ; A thiolate group, -SR'; Formula -Si(R ａ ) ３ A silyl group of the formula: Formula -Ge(R ａ ) ３ a germanyl group; selected from the group consisting of: Here, R ７ , R ８ , R ９ and R １０ Two adjacent groups may be optionally joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: where each R' is independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; Here, each R ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; The olefin polymerization catalyst system described above.

45. 42. The olefin polymerization catalyst system of claim 41, wherein the organometallic complex is represented by formula V: 【Chemistry 14】 It is expressed as In the formula, R １１ , R １２ , R １３ , R １４ , R １５ , R １６ , R １７ , R １８ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; An oxy group, -OR'; Amide group, -NR' ２ ; Phosphide group, -PR' ２ ; A thiolate group, -SR'; Formula -Si(R ａ ) ３ A silyl group of the formula: Formula -Ge(R ａ ) ３ a germanyl group; selected from the group consisting of: Here, R １１ , R １２ , R １３ , R １４ , R １５ , R １６ , R １７ , R １８ Two adjacent groups may be optionally joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: where each R' is independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; Here, each R ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; The olefin polymerization catalyst system described above.

46. 46. ​​The olefin polymerization catalyst system of claim 45, wherein the organometallic complex is represented by formula VI: 【Chemistry 15】 It is expressed as In the formula, R ７ , R ８ , R ９ and R １０ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; An oxy group, -OR'; Amide group, -NR' ２ ; Phosphide group, -PR' ２ ; A thiolate group, -SR'; Formula -Si(R ａ ) ３ A silyl group of the formula: Formula -Ge(R ａ ) ３ a germanyl group; selected from the group consisting of: Here, R ７ , R ８ , R ９ and R １０ Two adjacent groups may be optionally joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: where each R' is independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; Here, each R ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; The olefin polymerization catalyst system described above.

47. 47. The olefin polymerization catalyst system of claim 46, wherein M is Ti.

48. R ７ , R ８ , R ９ and R １０ 47. The olefin polymerization catalyst system of claim 46, wherein each is hydrogen.

49. R １ and R ２ each independently represents an unsubstituted C １－３０ 47. The olefin polymerization catalyst system of claim 46, wherein the moiety is a hydrocarbyl group.

50. R １ and R ２ 50. The olefin polymerization catalyst system of claim 49, wherein each is independently selected from the group consisting of isopropyl, cyclohexyl and tert-butyl.

51. R １２ and R １７ each independently represents an unsubstituted C １－３０ is a hydrocarbyl group, R １１ , R １３ , R １４ , R １５ , R １６ and R １８ 47. The olefin polymerization catalyst system of claim 46, wherein each is hydrogen.

52. R １２ and R １７ The olefin polymerization catalyst system of claim 51 , wherein each is a tert-butyl group.

53. each X １ But independently, C １－６ Alkyl group, C ７－１０ 47. The olefin polymerization catalyst system of claim 46, wherein said alkyl group is selected from the group consisting of arylalkyl groups and halogens.

54. each X １ 54. The olefin polymerization catalyst system of claim 53, wherein is independently selected from the group consisting of methyl and Cl.

55. 46. ​​The olefin polymerization catalyst system of claim 45, wherein the organometallic complex has the formula VII: 【Chemistry 16】 It is expressed as wherein G is C or Si; In the formula, R Ｑ and R Ｑ＊ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Here, R Ｑ and R Ｑ＊ may be optionally linked to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: In the formula, R ７ , R ８ , R ９ and R １０ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; An oxy group, -OR'; Amide group, -NR' ２ ; Phosphide group, -PR' ２ ; A thiolate group, -SR'; Formula -Si(R ａ ) ３ A silyl group of the formula: Formula -Ge(R ａ ) ３ a germanyl group; selected from the group consisting of: Here, R ７ , R ８ , R ９ and R １０ Two adjacent groups may be optionally joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: where each R' is independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; Here, each R ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; The olefin polymerization catalyst system described above.

56. 56. The olefin polymerization catalyst system of claim 55, wherein M is Ti.

57. R ７ , R ８ , R ９ and R １０ 56. The olefin polymerization catalyst system of claim 55, wherein each is hydrogen.

58. R １ and R ２ each independently represents an unsubstituted C １－３０ 56. The olefin polymerization catalyst system of claim 55, wherein the moiety is a hydrocarbyl group.

59. R １ and R ２ 59. The olefin polymerization catalyst system of claim 58, wherein each is independently selected from the group consisting of isopropyl, cyclohexyl, and tert-butyl.

60. R １２ and R １７ each independently represents an unsubstituted C １－３０ is a hydrocarbyl group, R １１ , R １３ , R １４ , R １５ , R １６ and R １８ 56. The olefin polymerization catalyst system of claim 55, wherein each is hydrogen.

61. R １２ and R １７ The olefin polymerization catalyst system of claim 60, wherein each is a tert-butyl group.

62. 56. The olefin polymerization catalyst system of claim 55, wherein G is carbon.

63. R Ｑ and R Ｑ＊ each independently represents hydrogen, C １－２０ Alkyl group and C ６－２０ 63. The olefin polymerization catalyst system of claim 62, wherein said alkyl group is selected from the group consisting of aryl groups.

64. R Ｑ is hydrogen, R Ｑ＊ C １－８ 63. The olefin polymerization catalyst system of claim 62, wherein the alkyl group is an alkyl group.

65. each X １ But independently, C １－６ Alkyl group, C ７－１０ 56. The olefin polymerization catalyst system of claim 55, wherein said alkyl group is selected from the group consisting of arylalkyl groups and halogens.

66. each X １ 66. The olefin polymerization catalyst system of claim 65, wherein is independently selected from the group consisting of methyl and Cl.

67. 42. The olefin polymerization catalyst system of claim 41, wherein the organometallic complex is represented by Formula VIII: 【Chemistry 17】 It is expressed as In the formula, R ２３ teeth, hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; selected from the group consisting of: In the formula, R １９ , R ２０ , R ２１ , R ２２ , R ２４ , R ２５ , R ２６ , and R ２７ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; An oxy group, -OR'; Amide group, -NR' ２ ; Phosphide group, -PR' ２ ; A thiolate group, -SR'; Formula -Si(R ａ ) ３ A silyl group of the formula: Formula -Ge(R ａ ) ３ a germanyl group; selected from the group consisting of: Here, R １９ , R ２０ , R ２１ , R ２２ , R ２４ , R ２５ , R ２６ , and R ２７ Two adjacent groups may be optionally joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: where each R' is independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; Here, each R ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; The olefin polymerization catalyst system described above.

68. 68. The olefin polymerization catalyst system of claim 67, wherein the organometallic complex is represented by formula IX: 【Chemistry 18】 It is expressed as In the formula, R ７ , R ８ , R ９ and R １０ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; An oxy group, -OR'; Amide group, -NR' ２ ; Phosphide group, -PR' ２ ; A thiolate group, -SR'; Formula -Si(R ａ ) ３ A silyl group of the formula: Formula -Ge(R ａ ) ３ a germanyl group; selected from the group consisting of: Here, R ７ , R ８ , R ９ and R １０ Two adjacent groups may be optionally joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: where each R' is independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; Here, each R ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; The olefin polymerization catalyst system described above.

69. 69. The olefin polymerization catalyst system of claim 68, wherein M is Ti.

70. R ７ , R ８ , R ９ and R １０ 69. The olefin polymerization catalyst system of claim 68, wherein each is hydrogen.

71. R １ and R ２ each independently represents an unsubstituted C １－３０ 69. The olefin polymerization catalyst system of claim 68, wherein the moiety is a hydrocarbyl group.

72. R １ and R ２ 72. The olefin polymerization catalyst system of claim 71, wherein each is independently selected from the group consisting of isopropyl, cyclohexyl and tert-butyl.

73. R ２３ is unsubstituted C １－３０ 69. The olefin polymerization catalyst system of claim 68, wherein the moiety is a hydrocarbyl group.

74. R ２３ But, C １－８ 74. The olefin polymerization catalyst system of claim 73, wherein the alkyl group is an alkyl group.

75. R ２０ is unsubstituted C １－３０ 69. The olefin polymerization catalyst system of claim 68, wherein the moiety is a hydrocarbyl group.

76. R ２０ is unsubstituted C １－８ 76. The olefin polymerization catalyst system of claim 75, wherein the alkyl group is an alkyl group.

77. R ２０ is unsubstituted C １－３０ is a hydrocarbyl group, R １９ , R ２１ , R ２２ , R ２４ , R ２５ , R ２６ , and R ２７ 69. The olefin polymerization catalyst system of claim 68, wherein each is hydrogen.

78. R ２０ But, C １－８ 78. The olefin polymerization catalyst system of claim 77, wherein the alkyl group is an alkyl group.

79. each X １ But independently, C １－６ Alkyl group, C ７－１０ 69. The olefin polymerization catalyst system of claim 68, wherein said alkyl group is selected from the group consisting of arylalkyl groups and halogens.

80. each X １ 80. The olefin polymerization catalyst system of claim 79, wherein is independently selected from the group consisting of methyl and Cl.

81. The olefin polymerization catalyst system of any one of claims 41 to 80, wherein the catalyst activator is selected from the group consisting of alkylaluminoxane cocatalysts, organoaluminum compounds, boron based catalyst activators, and mixtures thereof.

82. The boron-based catalyst activator is a [(hydrogenated tallow alkyl) ２ (Me)NH][B(C ６ F ５ ) ４ ]; N,N-dimethylanilinium tetrakis(pentafluorophenyl)borate ("[Me ２ NHPh][B(C ６ F ５ ) ４ ]"); and triphenylmethylium tetrakis(pentafluorophenyl)borate ("[Ph ３ C] [B (C ６ F ５ ) ４ 82. The olefin polymerization catalyst system of claim 81 , wherein said catalyst is selected from the group consisting of:

83. Ethylene, optionally with one or more C ３－１２ 1. A polymerization process comprising polymerizing an alpha-olefin in the presence of an olefin polymerization catalyst system, The olefin polymerization catalyst system comprises i) An organometallic complex having the formula I: 【Chemistry 19】 It is expressed as During the ceremony, M is Ti, Zr or Hf; R １ and R ２ are each independently hydrogen and R Ｘ or R １ and R ２ are unsubstituted or are, together with the P atom to which they are attached, a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ forming a 3-10 membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R Ｘ are independently a halogen atom; １－３０ A hydrocarbyl group, which may be unsubstituted or may contain one or more halogen atoms, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, and / or C ７－２０ and the formula -NR' is further substituted by an arylalkyloxy group; ２ an amide group of the formula -Si(R ａ ) ３ a silyl group of the formula -Ge(R ａ ) ３ and a germanyl group of the formula N=P(R ｂ ) (R ｃ ) (R ｄ wherein each R' is independently selected from the group consisting of hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; R ｂ , R ｃ , R ｄ are each independently １－２０ is an alkyl group; each X １ is an activatable ligand; Cy is a cyclopentadienyl-type ligand covalently bonded to L and coordinated to M via an η-bond; L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising 2 or 3 atoms; ii) a catalyst activator; and A polymerization process comprising:

84. 84. The polymerization process of claim 83, wherein the organometallic complex is represented by formula II: 【Chemistry 20】 It is expressed as In the formula, R ３ , R ４ , R ５ and R ６ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; An oxy group, -OR'; Amide group, -NR' ２ ; Phosphide group, -PR' ２ ; A thiolate group, -SR'; Formula -Si(R ａ ) ３ A silyl group of the formula: Formula -Ge(R ａ ) ３ a germanyl group; selected from the group consisting of: Here, R ３ , R ４ , R ５ and R ６ Two adjacent groups may be optionally joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: where each R' is independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; Here, each R ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; The polymerization process described above.

85. 85. The polymerization process of claim 84, wherein the organometallic complex is represented by formula III: 【Chemistry 21】 It is expressed as In the formula, R ７ , R ８ , R ９ and R １０ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; An oxy group, -OR'; Amide group, -NR' ２ ; Phosphide group, -PR' ２ ; A thiolate group, -SR'; Formula -Si(R ａ ) ３ A silyl group of the formula: Formula -Ge(R ａ ) ３ a germanyl group; selected from the group consisting of: Here, R ７ , R ８ , R ９ and R １０ Two adjacent groups may be optionally joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: where each R' is independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; Here, each R ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; The polymerization process described above.

86. 85. The polymerization process of claim 84, wherein the organometallic complex is represented by formula IV: 【Chemical 22】 It is expressed as wherein G is C or Si; In the formula, R Ｑ and R Ｑ＊ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Here, R Ｑ and R Ｑ＊ may be optionally linked to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: In the formula, R ７ , R ８ , R ９ and R １０ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; An oxy group, -OR'; Amide group, -NR' ２ ; Phosphide group, -PR' ２ ; A thiolate group, -SR'; Formula -Si(R ａ ) ３ A silyl group of the formula: Formula -Ge(R ａ ) ３ a germanyl group; selected from the group consisting of: Here, R ７ , R ８ , R ９ and R １０ Two adjacent groups may be optionally joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: where each R' is independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; Here, each R ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; The polymerization process described above.

87. 84. The polymerization process of claim 83, wherein the organometallic complex is represented by formula V: 【Chemistry 23】 It is expressed as In the formula, R １１ , R １２ , R １３ , R １４ , R １５ , R １６ , R １７ , R １８ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; An oxy group, -OR'; Amide group, -NR' ２ ; Phosphide group, -PR' ２ ; A thiolate group, -SR'; Formula -Si(R ａ ) ３ A silyl group of the formula: Formula -Ge(R ａ ) ３ a germanyl group; selected from the group consisting of: Here, R １１ , R １２ , R １３ , R １４ , R １５ , R １６ , R １７ , R １８ Two adjacent groups may be optionally joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: where each R' is independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; Here, each R ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; The polymerization process described above.

88. 88. The polymerization process of claim 87, wherein the organometallic complex is represented by formula VI: 【Chemistry 24】 It is expressed as In the formula, R ７ , R ８ , R ９ and R １０ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; An oxy group, -OR'; Amide group, -NR' ２ ; Phosphide group, -PR' ２ ; A thiolate group, -SR'; Formula -Si(R ａ ) ３ A silyl group of the formula: Formula -Ge(R ａ ) ３ a germanyl group; selected from the group consisting of: Here, R ７ , R ８ , R ９ and R １０ Two adjacent groups may be optionally joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: where each R' is independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; Here, each R ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; The polymerization process described above.

89. 89. The polymerization process of claim 88, wherein M is Ti.

90. R ７ , R ８ , R ９ and R １０ 89. The polymerization process of claim 88, wherein each is hydrogen.

91. R １ and R ２ each independently represents an unsubstituted C １－３０ 89. The polymerization process of claim 88, wherein the alkyl group is a hydrocarbyl group.

92. R １ and R ２ 92. The polymerization process of claim 91, wherein each is independently selected from the group consisting of isopropyl, cyclohexyl, and tert-butyl.

93. R １２ and R １７ each independently represents an unsubstituted C １－３０ is a hydrocarbyl group, R １１ , R １３ , R １４ , R １５ , R １６ and R １８ 89. The polymerization process of claim 88, wherein each is hydrogen.

94. R １２ and R １７ wherein each is a tert-butyl group.

95. each X １ But independently, C １－６ Alkyl group, C ７－１０ 89. The polymerization process of claim 88, wherein the alkyl group is selected from the group consisting of an arylalkyl group and a halogen.

96. each X １ 96. The polymerization process of claim 95, wherein is independently selected from the group consisting of a methyl group and Cl.

97. 88. The polymerization process of claim 87, wherein the organometallic complex is represented by formula VII: 【Chemistry 25】 It is expressed as wherein G is C or Si; In the formula, R Ｑ and R Ｑ＊ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Here, R Ｑ and R Ｑ＊ may be optionally linked to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: In the formula, R ７ , R ８ , R ９ and R １０ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; An oxy group, -OR'; Amide group, -NR' ２ ; Phosphide group, -PR' ２ ; A thiolate group, -SR'; Formula -Si(R ａ ) ３ A silyl group of the formula: Formula -Ge(R ａ ) ３ a germanyl group; selected from the group consisting of: Here, R ７ , R ８ , R ９ and R １０ Two adjacent groups may be optionally joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: where each R' is independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; Here, each R ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; The polymerization process described above.

98. 98. The polymerization process of claim 97, wherein M is Ti.

99. R ７ , R ８ , R ９ and R １０ 98. The polymerization process of claim 97, wherein each is hydrogen.

100. R １ and R ２ each independently represents an unsubstituted C １－３０ 98. The polymerization process of claim 97, wherein the alkyl group is a hydrocarbyl group.

101. R １ and R ２ is each independently selected from the group consisting of isopropyl, cyclohexyl, and tert-butyl.

102. R １２ and R １７ each independently represents an unsubstituted C １－３０ is a hydrocarbyl group, R １１ , R １３ , R １４ , R １５ , R １６ and R １８ 98. The polymerization process of claim 97, wherein each is hydrogen.

103. R １２ and R １７ wherein each is a tert-butyl group.

104. 98. The polymerization process of claim 97, wherein G is carbon.

105. R Ｑ and R Ｑ＊ each independently represents hydrogen, C １－２０ Alkyl group and C ６－２０ 105. The polymerization process of claim 104, wherein the alkyl group is selected from the group consisting of aryl groups.

106. R Ｑ is hydrogen, R Ｑ＊ C １－８ 105. The polymerization process of claim 104, wherein the group is an alkyl group.

107. each X １ But independently, C １－６ Alkyl group, C ７－１０ 98. The polymerization process of claim 97, wherein the alkyl group is selected from the group consisting of an arylalkyl group and a halogen.

108. each X １ is independently selected from the group consisting of a methyl group and Cl.

109. 84. The polymerization process of claim 83, wherein the organometallic complex is represented by formula VIII: 【Chemistry 26】 It is expressed as In the formula, R ２３ teeth, hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; selected from the group consisting of: In the formula, R １９ , R ２０ , R ２１ , R ２２ , R ２４ , R ２５ , R ２６ , and R ２７ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; An oxy group, -OR'; Amide group, -NR' ２ ; Phosphide group, -PR' ２ ; A thiolate group, -SR'; Formula -Si(R ａ ) ３ A silyl group of the formula: Formula -Ge(R ａ ) ３ a germanyl group; selected from the group consisting of: Here, R １９ , R ２０ , R ２１ , R ２２ , R ２４ , R ２５ , R ２６ , and R ２７ Two adjacent groups may be optionally joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: where each R' is independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; Here, each R ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; The polymerization process described above.

110. 110. The polymerization process of claim 109, wherein the organometallic complex is represented by formula IX: 【Chemical 27】 It is expressed as In the formula, R ７ , R ８ , R ９ and R １０ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; An oxy group, -OR'; Amide group, -NR' ２ ; Phosphide group, -PR' ２ ; A thiolate group, -SR'; Formula -Si(R ａ ) ３ A silyl group of the formula: Formula -Ge(R ａ ) ３ a germanyl group; selected from the group consisting of: Here, R ７ , R ８ , R ９ and R １０ Two adjacent groups may be optionally joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: where each R' is independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; Here, each R ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; The polymerization process described above.

111. 111. The polymerization process of claim 110, wherein M is Ti.

112. R ７ , R ８ , R ９ and R １０ and each is hydrogen.

113. R １ and R ２ each independently represents an unsubstituted C １－３０ 111. The polymerization process of claim 110, wherein the alkyl group is a hydrocarbyl group.

114. R １ and R ２ is each independently selected from the group consisting of isopropyl, cyclohexyl, and tert-butyl.

115. R ２３ is unsubstituted C １－３０ 111. The polymerization process of claim 110, wherein the alkyl group is a hydrocarbyl group.

116. R ２３ But, C １－８ 116. The polymerization process of claim 115, wherein the group is an alkyl group.

117. R ２０ is unsubstituted C １－３０ 111. The polymerization process of claim 110, wherein the alkyl group is a hydrocarbyl group.

118. R ２０ is unsubstituted C １－８ 118. The polymerization process of claim 117, wherein the group is an alkyl group.

119. R ２０ is unsubstituted C １－３０ is a hydrocarbyl group, R １９ , R ２１ , R ２２ , R ２４ , R ２５ , R ２６ , and R ２７ and each is hydrogen.

120. R ２０ But, C １－８ 120. The polymerization process of claim 119, wherein the group is an alkyl group.

121. each X １ But independently, C １－６ Alkyl group, C ７－１０ 111. The polymerization process of claim 110, wherein the alkyl group is selected from the group consisting of arylalkyl groups and halogens.

122. each X １ is independently selected from the group consisting of a methyl group and Cl.

123. The polymerization process of any one of claims 83 to 122, wherein the catalyst activator is selected from the group consisting of alkylaluminoxane cocatalysts, organoaluminum compounds, boron based catalyst activators, and mixtures thereof.

124. The boron-based catalyst activator is a [(hydrogenated tallow alkyl) ２ (Me)NH][B(C ６ F ５ ) ４ ]; N,N-dimethylanilinium tetrakis(pentafluorophenyl)borate ("[Me ２ NHPh][B(C ６ F ５ ) ４ ]"); and triphenylmethylium tetrakis(pentafluorophenyl)borate ("[Ph ３ C] [B (C ６ F ５ ) ４ 124. The polymerization process of claim 123, wherein the copolymer is selected from the group consisting of:

125. One or more C ３ -C １２ The polymerization process of any one of claims 83 to 124, wherein the alpha-olefins comprise one or more alpha-olefins selected from the group consisting of 1-butene, 1-hexene, and 1-octene.

126. The polymerization process of any one of claims 83 to 124, wherein the polymerization process comprises polymerizing ethylene with 1-octene.

127. The polymerization process of any one of claims 83 to 126, wherein the polymerization process is a solution phase polymerization process carried out in a solvent.

128. 128. The polymerization process of claim 127, wherein the solution phase polymerization process is carried out at a temperature of at least 160°C.

129. The polymerization process of any one of claims 83 to 126, wherein the polymerization process is a continuous solution phase polymerization process carried out in a solvent.

130. 130. The polymerization process of claim 129, wherein the continuous solution phase polymerization process is carried out in at least one continuous stirred tank reactor.

131. 131. The polymerization process of claim 129 or 130, wherein the continuous solution phase polymerization process is carried out at a temperature of at least 160°C.

132. A premetallated compound having the formula IL: 【Chemistry 28】 It is expressed as During the ceremony, R １ and R ２ are each independently hydrogen and R Ｘ or R １ and R ２ are unsubstituted or are, together with the P atom to which they are attached, a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ forming a 3-10 membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R Ｘ are independently a halogen atom; １－３０ A hydrocarbyl group, which may be unsubstituted or may contain one or more halogen atoms, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, and / or C ７－２０ and the formula -NR' is further substituted by an arylalkyloxy group; ２ an amide group of the formula -Si(R ａ ) ３ a silyl group of the formula -Ge(R ａ ) ３ and a germanyl group of the formula N=P(R ｂ ) (R ｃ ) (R ｄ wherein each R' is independently selected from the group consisting of hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; R ｂ , R ｃ , R ｄ are each independently １－２０ is an alkyl group; Cy is a cyclopentadienyl-type moiety; L and X ３ is covalently attached to X ２ is hydrogen or a group of the formula -Si(R ｅ ) ３ is a silyl group of the formula: X ３ is hydrogen or a group of the formula -Si(R ｅ ) ３ or a silyl group of the formula Sn(R ｅ ) ３ is a stannyl group of the formula: Here, each R ｅ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy groups, and C ６－２０ aryl groups; L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising 2 or 3 atoms; Premetallated compounds.

133. A premetallated compound having the formula ILH: 【Chemical 29】 It is expressed as During the ceremony, R １ and R ２ are each independently hydrogen and R Ｘ or R １ and R ２ are unsubstituted or are, together with the P atom to which they are attached, a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ forming a 3-10 membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R Ｘ are independently a halogen atom; １－３０ A hydrocarbyl group, which may be unsubstituted or may contain one or more halogen atoms, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, and / or C ７－２０ and the formula -NR' is further substituted by an arylalkyloxy group; ２ an amide group of the formula -Si(R ａ ) ３ a silyl group of the formula -Ge(R ａ ) ３ and a germanyl group of the formula N=P(R ｂ ) (R ｃ ) (R ｄ wherein each R' is independently selected from the group consisting of hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; R ｂ , R ｃ , R ｄ are each independently １－２０ is an alkyl group; X ２ is hydrogen or a group of the formula -Si(R ｅ ) ３ where each R ｅ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; Cy is a cyclopentadienyl-type moiety, covalently bonded to L and H; L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising 2 or 3 atoms; Premetallated compounds.

134. 134. The premetallated compound of claim 133, wherein the premetallated compound has formula II-L: 【Chemistry 30】 or hydrogen H in the cyclopentadienyl ring ＊ is a double bond isomer of formula II-L obtained by migration of In the formula, R ３ , R ４ , R ５ and R ６ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; An oxy group, -OR'; Amide group, -NR' ２ ; Phosphide group, -PR' ２ ; A thiolate group, -SR'; Formula -Si(R ａ ) ３ A silyl group of the formula: Formula -Ge(R ａ ) ３ a germanyl group; selected from the group consisting of: Here, R ３ , R ４ , R ５ and R ６ Two adjacent groups may be optionally joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: where each R' is independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; Here, each R ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; The premetallated compounds described above.

135. 135. The premetallated compound of claim 134, wherein the premetallated compound has the formula III-L: 【Chemistry 31】 or hydrogen H in the cyclopentadienyl ring ＊ is a double bond isomer of formula III-L obtained by migration of In the formula, R ７ , R ８ , R ９ and R １０ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; An oxy group, -OR'; Amide group, -NR' ２ ; Phosphide group, -PR' ２ ; A thiolate group, -SR'; Formula -Si(R ａ ) ３ A silyl group of the formula: Formula -Ge(R ａ ) ３ a germanyl group; selected from the group consisting of: Here, R ７ , R ８ , R ９ and R １０ Two adjacent groups may be optionally joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: where each R' is independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; Here, each R ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; The premetallated compounds described above.

136. 135. The premetallated compound of claim 134, wherein the premetallated compound has formula IV-L: 【Chemistry 32】 or hydrogen H in the cyclopentadienyl ring ＊ is a double bond isomer of formula IV-L obtained by migration of wherein G is C or Si; In the formula, R Ｑ and R Ｑ＊ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Here, R Ｑ and R Ｑ＊ may be optionally linked to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: In the formula, R ７ , R ８ , R ９ and R １０ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; An oxy group, -OR'; Amide group, -NR' ２ ; Phosphide group, -PR' ２ ; A thiolate group, -SR'; Formula -Si(R ａ ) ３ A silyl group of the formula: Formula -Ge(R ａ ) ３ a germanyl group; selected from the group consisting of: Here, R ７ , R ８ , R ９ and R １０ Two adjacent groups may be optionally joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: where each R' is independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; Here, each R ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; The premetallated compounds described above.

137. 134. The premetallated compound of claim 133, wherein the premetallated compound has the formula V-L: 【Chemical 33】 It is expressed as In the formula, R １１ , R １２ , R １３ , R １４ , R １５ , R １６ , R １７ , R １８ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; An oxy group, -OR'; Amide group, -NR' ２ ; Phosphide group, -PR' ２ ; A thiolate group, -SR'; Formula -Si(R ａ ) ３ A silyl group of the formula: Formula -Ge(R ａ ) ３ a germanyl group; selected from the group consisting of: Here, R １１ , R １２ , R １３ , R １４ , R １５ , R １６ , R １７ , R １８ Two adjacent groups may be optionally joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: where each R' is independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; Here, each R ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; The premetallated compounds described above.

138. 138. The premetallated compound of claim 137, the premetallated compound having formula VI-L: 【Chemical Formula 34】 It is expressed as In the formula, R ７ , R ８ , R ９ and R １０ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; An oxy group, -OR'; Amide group, -NR' ２ ; Phosphide group, -PR' ２ ; A thiolate group, -SR'; Formula -Si(R ａ ) ３ A silyl group of the formula: Formula -Ge(R ａ ) ３ a germanyl group; selected from the group consisting of: Here, R ７ , R ８ , R ９ and R １０ Two adjacent groups may be optionally joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: where each R' is independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; Here, each R ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; The premetallated compounds described above.

139. R ７ , R ８ , R ９ and R １０ and each is hydrogen.

140. R １ and R ２ each independently represents an unsubstituted C １－３０ 139. The premetallated compound of claim 138, which is a hydrocarbyl group.

141. R １ and R ２ is independently selected from the group consisting of isopropyl, cyclohexyl, and tert-butyl.

142. R １２ and R １７ each independently represents an unsubstituted C １－３０ is a hydrocarbyl group, R １１ , R １３ , R １４ , R １５ , R １６ and R １８ and each is hydrogen.

143. R １２ and R １７ and each is a tert-butyl group.

144. 138. The premetallated compound of claim 137, wherein the premetallated compound has formula VII-L: 【Chemistry 35】 It is expressed as wherein G is C or Si; In the formula, R Ｑ and R Ｑ＊ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Here, R Ｑ and R Ｑ＊ may be optionally linked to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: In the formula, R ７ , R ８ , R ９ and R １０ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; An oxy group, -OR'; Amide group, -NR' ２ ; Phosphide group, -PR' ２ ; A thiolate group, -SR'; Formula -Si(R ａ ) ３ A silyl group of the formula: Formula -Ge(R ａ ) ３ a germanyl group; selected from the group consisting of: Here, R ７ , R ８ , R ９ and R １０ Two adjacent groups may be optionally joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: where each R' is independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; Here, each R ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; The premetallated compounds described above.

145. R ７ , R ８ , R ９ and R １０ and each is hydrogen.

146. R １ and R ２ each independently represents an unsubstituted C １－３０ 145. The premetallated compound of claim 144, which is a hydrocarbyl group.

147. R １ and R ２ is independently selected from the group consisting of isopropyl, cyclohexyl and tert-butyl.

148. R １２ and R １７ each independently represents an unsubstituted C １－３０ is a hydrocarbyl group, R １１ , R １３ , R １４ , R １５ , R １６ and R １８ and each is hydrogen.

149. R １２ and R １７ and each is a tert-butyl group.

150. 145. The premetallated compound of claim 144, wherein G is carbon.

151. R Ｑ and R Ｑ＊ each independently represents hydrogen, C １－２０ Alkyl group and C ６－２０ 151. The premetallated compound of claim 150, wherein the premetallated compound is selected from the group consisting of aryl groups.

152. R Ｑ is hydrogen, R Ｑ＊ C １－８ 151. The premetallated compound of claim 150, which is an alkyl group.

153. 134. The premetallated compound of claim 133, wherein the premetallated compound has formula VIII-L: 【Chemical 36】 It is expressed as In the formula, R ２３ teeth, hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; selected from the group consisting of: In the formula, R １９ , R ２０ , R ２１ , R ２２ , R ２４ , R ２５ , R ２６ , and R ２７ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; An oxy group, -OR'; Amide group, -NR' ２ ; Phosphide group, -PR' ２ ; A thiolate group, -SR'; Formula -Si(R ａ ) ３ A silyl group of the formula: Formula -Ge(R ａ ) ３ a germanyl group; selected from the group consisting of: Here, R １９ , R ２０ , R ２１ , R ２２ , R ２４ , R ２５ , R ２６ , and R ２７ Two adjacent groups may be optionally joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: where each R' is independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; Here, each R ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; The premetallated compounds described above.

154. 154. The premetallated compound of claim 153, wherein the premetallated compound has formula IX-L: 【Chemical 37】 It is expressed as In the formula, R ７ , R ８ , R ９ and R １０ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; An oxy group, -OR'; Amide group, -NR' ２ ; Phosphide group, -PR' ２ ; A thiolate group, -SR'; Formula -Si(R ａ ) ３ A silyl group of the formula: Formula -Ge(R ａ ) ３ a germanyl group; selected from the group consisting of: Here, R ７ , R ８ , R ９ and R １０ Two adjacent groups may be optionally joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: where each R' is independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; Here, each R ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; The premetallated compounds described above.

155. R ７ , R ８ , R ９ and R １０ and each is hydrogen.

156. R １ and R ２ each independently represents an unsubstituted C １－３０ 155. The premetallated compound of claim 154, which is a hydrocarbyl group.

157. R １ and R ２ is independently selected from the group consisting of isopropyl, cyclohexyl, and tert-butyl.

158. R ２３ is unsubstituted C １－３０ 155. The premetallated compound of claim 154, which is a hydrocarbyl group.

159. R ２３ But, C １－８ 159. The premetallated compound of claim 158, which is an alkyl group.

160. R ２０ is unsubstituted C １－３０ 155. The premetallated compound of claim 154, which is a hydrocarbyl group.

161. R ２０ is unsubstituted C １－８ 161. The premetallated compound of claim 160, which is an alkyl group.

162. R ２０ is unsubstituted C １－３０ is a hydrocarbyl group, R １９ , R ２１ , R ２２ , R ２４ , R ２５ , R ２６ , and R ２７ and each is hydrogen.

163. R ２０ But, C １－８ 163. The premetallated compound of claim 162, which is an alkyl group.

164. X ２ is hydrogen or a trimethylsilyl group, -SiMe ３ 164. The premetallated compound according to any one of claims 133 to 163,

165. A process for making an organometallic complex, the process comprising the steps of: 【Chemical Formula 38】 The compound represented by the formula MX ＊ ４ with a Group 4 transition metal compound having During the ceremony, M is Ti, Zr or Hf; R １ and R ２ are each independently hydrogen and R Ｘ or R １ and R ２ are unsubstituted or are, together with the P atom to which they are attached, a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ forming a 3-10 membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R Ｘ are independently a halogen atom; １－３０ A hydrocarbyl group, which may be unsubstituted or may contain one or more halogen atoms, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, and / or C ７－２０ and the formula -NR' is further substituted by an arylalkyloxy group; ２ an amide group of the formula -Si(R ａ ) ３ a silyl group of the formula -Ge(R ａ ) ３ and a germanyl group of the formula N=P(R ｂ ) (R ｃ ) (R ｄ wherein each R' is independently selected from the group consisting of hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; R ｂ , R ｃ , R ｄ are each independently １－２０ is an alkyl group; X ２ is represented by the formula -Si(R ｅ ) ３ where each R ｅ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy groups, and C ６－２０ aryl groups; Cy is a cyclopentadienyl-type moiety, covalently bonded to L and H; L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising 2 or 3 atoms; each X ＊ are independently halogen, hydrogen, a group of the formula -NR Ｅ ２ amide group, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxide group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Ｅ are independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; The above process.

166. A process for making an organometallic complex, the process comprising the steps of: 【Chemical 39】 with a base and then reacting the compound represented by the formula MX ＊ ４ with a Group 4 transition metal compound having During the ceremony, M is Ti, Zr or Hf; R １ and R ２ are each independently hydrogen and R Ｘ or R １ and R ２ are unsubstituted or are, together with the P atom to which they are attached, a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ forming a 3-10 membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R Ｘ are independently a halogen atom; １－３０ A hydrocarbyl group, which may be unsubstituted or may contain one or more halogen atoms, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, and / or C ７－２０ and the formula -NR' is further substituted by an arylalkyloxy group; ２ an amide group of the formula -Si(R ａ ) ３ a silyl group of the formula -Ge(R ａ ) ３ and a germanyl group of the formula N=P(R ｂ ) (R ｃ ) (R ｄ wherein each R' is independently selected from the group consisting of hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; R ｂ , R ｃ , R ｄ are each independently １－２０ is an alkyl group; Cy is a cyclopentadienyl-type moiety, covalently bonded to L and H; L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising 2 or 3 atoms; each X ＊ are independently halogen, hydrogen, a group of the formula -NR Ｅ ２ amide group, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxide group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Ｅ are independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; The above process.

167. Formula IP-TMS: 【Chemistry 40】 The method for preparing a compound represented by formula IP: 【Chemistry 41】 The phosphine compound represented by the formula: ３ C-CCl ３ ; and hexamethyldisilazane [(CH ３ ) ３ Si] ２ NH In the formula, R Ｊ teeth, A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups; Heteroatom-containing hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ Arylalkyloxy groups, formula --NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups; is selected from the group consisting of In the formula, R １ and R ２ are each independently １－３０ A hydrocarbyl group, which may be unsubstituted or may contain one or more halogen atoms, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, and / or C ７－２０ further substituted by an arylalkyloxy group; In the formula, R ７ , R ８ , R ９ and R １０ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; An oxy group, -OR'; Amide group, -NR' ２ ; Phosphide group, -PR' ２ ; A thiolate group, -SR'; Formula -Si(R ａ ) ３ A silyl group of the formula: Formula -Ge(R ａ ) ３ a germanyl group; selected from the group consisting of: Here, R ７ , R ８ , R ９ and R １０ Two adjacent groups may be optionally joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy group, amide group -NR' ２ , a phosphide group -PR' ２ , a thiolate group -SR', a group of formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: where each R' is independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; Here, each R ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; The above method.

168. 168. The method of claim 167, comprising: Formula IP: 【Chemistry 42】 The phosphine compound represented by the formula: ３ C-CCl ３ A first reaction step (i) of combining Hexamethyldisilazane [(CH ３ ) ３ Si] ２ a second reaction step (ii) of combining NH with the reaction product formed in the first reaction step; The above method.

169. Phosphine compound (II-P) and hexachloroethane Cl ３ C-CCl ３ 168. The method of claim 167, wherein said are combined in a molar ratio of about 1:

1.

170. A molar excess of hexamethyldisilazane [(CH ３ ) ３ Si] ２ 169. The method of claim 168, wherein NH is combined with the reaction product formed in the first reaction step.

171. Hexamethyldisilazane [(CH ３ ) ３ Si] ２ 168. The method of claim 167, wherein the molar ratio of NH is greater than 1.

0.

172. Phosphine compound (II-P): Hexachloroethane Cl ３ C-CCl ３ ; and hexamethyldisilazane [(CH ３ ) ３ Si] ２ 168. The method of claim 167, wherein NH is combined in a polar solvent.

173. 173. The method of claim 172, wherein the polar solvent is selected from the group consisting of dichloromethane, 1,2-dichloroethane, acetonitrile, and tetrahydrofuran.

174. 169. The method of claim 168, wherein steps (i) and (ii) are carried out in a single reaction vessel.

175. R １ and R ２ is independently selected from the group consisting of a primary alkyl group, a secondary alkyl group, a tertiary alkyl group, and an aryl group.

176. R １ and R ２ is a secondary alkyl group.

177. R １ and R ２ The method of claim 175, wherein is a tertiary alkyl group.

178. R ７ , R ８ , R ９ and R １０ 168. The method of claim 167, wherein each is hydrogen.

179. Formula II-P-TMS: 【Chemistry 43】 The method comprises the steps of: 【Chemistry 44】 The phosphine compound represented by the formula: ３ C-CCl ３ ; and hexamethyldisilazane [(CH ３ ) ３ Si] ２ NH In the formula, R Ｊ teeth, A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy groups, formula -NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups; Heteroatom-containing hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ Arylalkyloxy groups, formula --NR' ２ an amide group of the formula -PR' ２ a phosphide group of the formula -SR'; a thiolate group of the formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups; is selected from the group consisting of In the formula, R １ and R ２ are each independently １－３０ A hydrocarbyl group, which may be unsubstituted or may contain one or more halogen atoms, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, and / or C ７－２０ further substituted by an arylalkyloxy group; In the formula, R ２８ , R ２９ , R ３０ , R ３１ , R ３２ and R ３３ are each independently halogen; hydrogen; C １－３０ A hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; Heteroatom-containing C １－３０ Hydrocarbyl groups (the heteroatom-containing hydrocarbyl groups are unsubstituted or contain halogen atoms, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ arylalkyloxy groups; An oxy group, -OR'; Amide group, -NR' ２ ; Phosphide group, -PR' ２ ; A thiolate group, -SR'; Formula -Si(R ａ ) ３ A silyl group of the formula: Formula -Ge(R ａ ) ３ a germanyl group; selected from the group consisting of: Here, R ２８ , R ２９ , R ３０ , R ３１ , R ３２ and R ３３ Two adjacent groups may be optionally joined to form a cyclic hydrocarbyl group or a cyclic heteroatom-containing hydrocarbyl group, which may be unsubstituted or may contain a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, C ７－２０ Arylalkyloxy group, amide group -NR' ２ , a phosphide group -PR' ２ , a thiolate group -SR', a group of formula -Si(R ａ ) ３ and silyl groups of the formula -Ge(R ａ ) ３ and further substituted with one or more substituents selected from the group consisting of germanyl groups: where each R' is independently hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; Here, each R ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; The above method.

180. 180. The method of claim 179, Formula II-P: 【Chemistry 45】 The phosphine compound represented by the formula: ３ C-CCl ３ A first reaction step (i) of combining Hexamethyldisilazane [(CH ３ ) ３ Si] ２ a second reaction step (ii) of combining NH with the reaction product formed in the first reaction step; The above method.

181. Phosphine compound (II-P) and hexachloroethane Cl ３ C-CCl ３ 180. The method of claim 179, wherein said are combined in a molar ratio of about 1:

1.

182. A molar excess of hexamethyldisilazane [(CH ３ ) ３ Si] ２ 181. The method of claim 180, wherein NH is combined with the reaction product formed in the first reaction step.

183. Hexamethyldisilazane [(CH ３ ) ３ Si] ２ 180. The method of claim 179, wherein the molar ratio of NH is greater than 1.

0.

184. Phosphine compound (II-P): Hexachloroethane Cl ３ C-CCl ３ ; and hexamethyldisilazane [(CH ３ ) ３ Si] ２ 180. The method of claim 179, wherein NH is combined in a polar solvent.

185. 185. The method of claim 184, wherein the polar solvent is selected from the group consisting of dichloromethane, 1,2-dichloroethane, acetonitrile, and tetrahydrofuran.

186. 181. The method of claim 180, wherein steps (i) and (ii) are carried out in a single reaction vessel.

187. R １ and R ２ is independently selected from the group consisting of a primary alkyl group, a secondary alkyl group, a tertiary alkyl group, and an aryl group.

188. R １ and R ２ The method of claim 187, wherein is a secondary alkyl group.

189. R １ and R ２ The method of claim 187, wherein is a tertiary alkyl group.

190. R ２８ , R ２９ , R ３０ , R ３１ , R ３２ and R ３３ 180. The method of claim 179, wherein each is hydrogen.

191. An organometallic complex having the formula I-M: 【Chemistry 46】 It is expressed as During the ceremony, M is Ti, Zr or Hf; R １ and R ２ are each independently hydrogen and R Ｘ or R １ and R ２ are unsubstituted or are, together with the P atom to which they are attached, a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ forming a 3-10 membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R Ｘ are independently a halogen atom; １－３０ A hydrocarbyl group, which may be unsubstituted or may contain one or more halogen atoms, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, and / or C ７－２０ and the formula -NR' is further substituted by an arylalkyloxy group; ２ an amide group of the formula -Si(R ａ ) ３ a silyl group of the formula -Ge(R ａ ) ３ and a germanyl group of the formula N=P(R ｂ ) (R ｃ ) (R ｄ wherein each R' is independently selected from the group consisting of hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; R ｂ , R ｃ , R ｄ are each independently １－２０ is an alkyl group; Cy is a cyclopentadienyl-type moiety; L and X ３ is covalently attached to each X １ is an activatable ligand; X ３ is hydrogen or a group of the formula -Si(R ｅ ) ３ or a silyl group of the formula Sn(R ｅ ) ３ where each R ｅ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy groups, and C ６－２０ aryl groups; L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising 2 or 3 atoms; Organometallic complexes.

192. 1. An olefin polymerization catalyst system comprising: i) An organometallic complex having the formula I-M: 【Chemistry 47】 It is expressed as During the ceremony, M is Ti, Zr or Hf; R １ and R ２ are each independently hydrogen and R Ｘ or R １ and R ２ are unsubstituted or are, together with the P atom to which they are attached, a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ forming a 3-10 membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R Ｘ are independently a halogen atom; １－３０ A hydrocarbyl group, which may be unsubstituted or may contain one or more halogen atoms, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, and / or C ７－２０ and the formula -NR' is further substituted by an arylalkyloxy group; ２ an amide group of the formula -Si(R ａ ) ３ a silyl group of the formula -Ge(R ａ ) ３ and a germanyl group of the formula N=P(R ｂ ) (R ｃ ) (R ｄ wherein each R' is independently selected from the group consisting of hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; R ｂ , R ｃ , R ｄ are each independently １－２０ is an alkyl group; Cy is a cyclopentadienyl-type moiety; L and X ３ is covalently attached to each X １ is an activatable ligand; X ３ is hydrogen or a group of the formula -Si(R ｅ ) ３ or a silyl group of the formula Sn(R ｅ ) ３ where each R ｅ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy groups, and C ６－２０ aryl groups; L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising 2 or 3 atoms; ii) a catalyst activator; and 1. An olefin polymerization catalyst system comprising:

193. Ethylene, optionally with one or more C ３－１２ 1. A polymerization process comprising polymerizing an alpha-olefin in the presence of an olefin polymerization catalyst system, The olefin polymerization catalyst system comprises i) An organometallic complex having the formula I-M: 【Chemistry 48】 It is expressed as During the ceremony, M is Ti, Zr or Hf; R １ and R ２ are each independently hydrogen and R Ｘ or R １ and R ２ are unsubstituted or are, together with the P atom to which they are attached, a halogen atom, C １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy groups, and C ７－２０ forming a 3-10 membered heterocyclic group which is further substituted by one or more substituents selected from the group consisting of arylalkyloxy groups; Each R Ｘ are independently a halogen atom; １－３０ A hydrocarbyl group, which may be unsubstituted or may contain one or more halogen atoms, １－２０ Alkyl group, C １－２０ Alkoxy group, C ７－２０ Alkylaryl group, C ７－２０ Arylalkyl group, C ６－２０ Aryl group, C ６－２０ Aryloxy group, C ７－２０ Alkylaryloxy group, and / or C ７－２０ and the formula -NR' is further substituted by an arylalkyloxy group; ２ an amide group of the formula -Si(R ａ ) ３ a silyl group of the formula -Ge(R ａ ) ３ and a germanyl group of the formula N=P(R ｂ ) (R ｃ ) (R ｄ wherein each R' is independently selected from the group consisting of hydrogen, C １－２０ Alkyl group, and C ６－２０ aryl groups; ａ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy group and C ６－２０ aryl groups; R ｂ , R ｃ , R ｄ are each independently １－２０ is an alkyl group; Cy is a cyclopentadienyl-type moiety; L and X ３ is covalently attached to each X １ is an activatable ligand; X ３ is hydrogen or a group of the formula -Si(R ｅ ) ３ or a silyl group of the formula Sn(R ｅ ) ３ where each R ｅ are independently hydrogen, C １－８ Alkyl group, C １－８ Alkoxy group, C ６－２０ Aryloxy groups, and C ６－２０ aryl groups; L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising 2 or 3 atoms; ii) a catalyst activator; and A polymerization process comprising:

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