324results about "Palladium organic compounds" patented technology

A compound comprising a first ligand LA of Formula I,is provided, where: each of moiety A and moiety B is a monocyclic ring or a polycyclic fused ring system; each of X1 to X4 and Z1 and Z2 is C or N; K1 and K2 are each a direct bond or a linker; L1 is a direct bond or an organic linker; each Rα, Rβ, RA and RB is hydrogen or a General Substituent defined herein; and at least one RA or one RB comprises R*, where R* is an alkyl group, a silyl group, a germyl group, or a combination thereof. Formulations, OLEDs, and consumer products containing the compound are also provided.

A compound comprising a first ligand LA of Formula I,is provided. In Formula I, moiety A is a monocyclic ring or a polycyclic fused ring system, moiety B is a polycyclic fused ring system; each of Z1 to Z4 is C or N; each of K1 and K2 is a direct bond or a linker; at least one RB or RA comprises,where T is B, C, N, Si, Ge, Bi, or P; V is a direct bond or a linker; R1 and R2 are present, and R3 is optionally present; each substituent is independently hydrogen or a General Substituent defined herein; and at least two of R1, R2, and R3 has two or more carbon atoms. Formulations, OLEDs, and consumer products containing the compound are also provided.

The invention discloses a palladium catalyst as well as a preparation method and application thereof. The structural formula of the palladium catalyst is shown as a formula (I), according to the invention, an alkoxy group is introduced into the skeleton of the palladium catalyst and N-methylimidazole is coordinated with palladium, so that the catalytic yield of the palladium catalyst is effectively improved, and long-chain alkyl polyarylamine with high molecular weight and narrow distribution is obtained; the method does not need to use a traditional phosphine ligand, avoids potential hazards of phosphine compounds to operators and the environment in the use process, and is expected to be industrially applied on a large scale due to the fact that the phosphine compounds are stable to air and moisture and can be stored for a long time.

Provided are an organometallic compound represented by Formula 1, a light-emitting device including the organometallic compound, and an electronic apparatus including the light-emitting device:Each substituent in Formula 1 is the same as described in the specification.

The invention relates to organic electroluminescent materials and devices. Provided is a compound comprising a structure of formula I # imgabs0 #. In Formula I, RW has a structure of Formula II # imgabs1 # wherein at least two RE substituents are joined to form a 5-to 10-membered ring; each of X1 to X11 and Z1 to Z3 is C or N; m is Pd or Pt; each of part A, part B, part C and part D is a ring or polycyclic fused ring system; each of L1 and L2 is a direct bond or a linking group; each substituent is hydrogen or a universal substituent as defined herein; and any two substituents may be joined or fused to form a ring, formulations, OLEDs and consumer products containing the compounds are also provided.

The invention discloses a flexible monoaryl methyl alpha-diimine palladium (II) catalyst and an application thereof in ethylene catalytic polymerization. According to the catalyst disclosed by the invention, 1, 2-acenaphthequinone and 2, 3-butanedione are taken as a core framework, and a flexible monoaryl methyl structure is ingeniously introduced, so that high branching degree and wide molecular weight adjustment of polyethylene are successfully realized. The polymerization activity is remarkable and is between 1.6 * 10 < 4 > g / (mol Pd.h) and 15.1 * 10 < 4 > g / (mol Pd.h). Especially, compared with traditional rigid o-aryl and o-diaryl methyl Pd (II) catalysts, the flexible catalyst provided by the invention can significantly improve the branching density, and provides a highly flexible means for adjusting the viscosity of PAO lubricant base oil. In the copolymerization reaction of ethylene and methacrylic acid, the flexible catalyst also shows excellent performance, the rigidity of the flexible catalyst is superior to that of the flexible catalyst in the aspect of promoting MA insertion, and the wide application prospect of the flexible catalyst in the synthesis of polar functionalized polyethylene is further verified.

Luminescent homometallic and heterometallic nanoclusters that include ditopic ligands with at least one N-heterocyclic carbene are presented. High photoluminescence quantum yields are reported, including one at 68%. These nanoclusters are thermally stable and are suitable for imaging, as photosensitizers, photosensors, and for photodynamic or X- ray photodynamic therapy..

The invention relates to a preparation method of 1, 3, 5-tris (9-carbazolyl) benzene, and belongs to the technical field of organic synthesis.The preparation method comprises the steps that 1, 3, 5-trichlorobenzene and carbazole serve as raw materials, [2-(2, 4, 6-triisopropyl-3-(4-methoxyphenyl) phenyl)-6-(2, 4, 6-trimethoxyphenyl) phenyl]-1, 3, 5-tris (9-carbazolyl) benzene serves as a raw material, and the 1, 3, 5-tris (9-carbazolyl) benzene serves as a raw material; the method comprises the following steps: by taking 2-(2, 4, 6-triisopropylphenyl) phenyl)-dicyclohexylphosphine and {[2-(2, 4, 6-triisopropyl-3-(4-methoxyphenyl) phenyl)-6-(2, 4, 6-triisopropylphenyl) phenyl]-dicyclohexylphosphine} (allyl-eta 3) trifluoromethanesulfonic palladium (II) as catalysts, catalyzing carbon-nitrogen coupling to prepare 1, 3, 5-tri (9-carbazolyl) benzene under the condition of an organic magnesium reagent and in the atmosphere of inert gas. The method disclosed by the invention has the advantages of low cost, simplicity and convenience in operation, high yield, good environmental friendliness and the like, and has a wide application prospect.

A compound comprising a first ligand LA comprising a structure of Formula I,is provided. In Formula I, each of moiety A and moiety B is a monocyclic ring or a polycyclic fused ring system; each of X1 to X4 and Z1 to Z4 is C or N; at least one of X1 to X4 is N; each of K1 and K2 is a direct bond or a linker; Y is a linker; each R, R′, Rα, Rβ, RA, RB, and RC is hydrogen or a substituent; LA is coordinated to a metal M; and at least one of five conditions related to X1 to X4 and / or RC is met. Formulations, OLEDs, and consumer products containing the compound are also provided.

The circularly polarized phosphorescent Pt (II) complex based on pinene modification is characterized in that a pinene group and an azole group are connected to form the Pt (II) complex with a symmetric and asymmetric structure, and the chemical general formula of the Pt (II) complex is shown as follows: # imgabs0 # provides a chiral center due to the pinene group, and utilizes the characteristics of large steric hindrance and chirality of pinene micromolecules to induce spiral accumulation of the Pt (II) complex, so that the pinene micromolecules can be converted into pinene micromolecules, and the pinene micromolecules can be converted into pinene micromolecules, so that the pinene micromolecules can be converted into pinene micromolecules, and the pinene micromolecules can be converted into pinene micromolecules. Therefore, plane rigidity and circular polarization characteristics are considered, chiral signals and quantum yield of a system are enhanced, and the compound shows excellent luminescence performance in dark red light and has great development prospects in the field of photoelectric materials.

Provided is a compound including a first ligand LA of Formula IIn Formula I, ring C is a 5- or 6-membered ring; each of X1 to X8 is C or N; one of X1 to X4 is C and is connected to ring C, and one of X1 to X4 is N and is coordinated to a metal M; Y is a divalent linker; K is a direct bond, O, or S; each R′, R″, RA, RB, and RC is hydrogen or a general substituent; at least one of RA or RB comprises an electron-withdrawing group; at least one of RB is a cyclic group; and metal M is selected from Os, Ir, Pd, Pt, Cu, Ag, and Au. Formulations, devices, and consumer products comprising the compound are also disclosed.

A compound comprising a first ligand LA of Formula I′,or Formula I*:In Formula I′ or Formula I*, all the variables are defined herein; and LA is coordinated to a metal M. Formulations, OLEDs, and consumer products containing the compound are also provided.

Disclosed herein are embodiments of a chiral Pd(0) precatalyst that exhibits bench-top and / or solution stability against degradation and / or oxidation. Also disclosed are method embodiments for making the Pd(0) precatalyst and methods for using the same in enantioselective chemical reactions, such as carbon-element bond formation.

The invention relates to organic electroluminescent materials and devices. There is provided a compound having a first ligand LA having a structure of Formula I wherein consecutive two of X1 to X8 are C and bonded to the structure of Formula II in Formula I, Part A is a monocyclic or polycyclic fused ring system; each of Z1 to Z2 and X1 to X12 is C or N; each of Y1 and Y2 is a linking group; k is a direct bond or a linking group; each substituent is hydrogen or a universal substituent as defined herein; and LA is coordinated with the metal M. Also provided is a compound having the formula Ir (LA *) x (LB *) y (LC *) z as defined herein. Formulations, OLEDs and consumer products containing these compounds are further provided.

The invention relates to organic electroluminescent materials and devices. An organometallic compound is provided comprising a platinum or palladium atom as a central metal atom coordinated by a tetradentate ligand. Formulations comprising these organometallic compounds are also provided. Further provided are organic light emitting devices (OLED) and related consumer products utilizing these organometallic compounds.

The present invention relates to novel ligands of formula 1, wherein R1 is each substituted or unsubstituted alkyl, perfluoroalkyl, aryl or cycloalkyl; a cyano group; a sulfonyl-SO2-R10 wherein R10 = a C1-C5 alkyl group, a C5-C6 cycloalkyl group, a C5-C10 aryl group, each unsubstituted or substituted by a C1-C4 alkyl group or a C1-C4 perfluoroalkyl group; silyl-Si (R20R30R40), wherein R20, R30 and R40 are, independently of each other, a C1-C6 alkyl group or a C5-C10 aryl group, which are each unsubstituted or substituted by a C1-C4 alkyl group; r2 is each substituted or unsubstituted alkyl, cycloalkyl, adamantyl or aryl; r3, R4 and R5 are each alkyl, cycloalkyl or aryl, which may be unsubstituted or substituted; or at least two of R3, R4 and R5 are alkyl or alkyl ether bridges and form a heterocyclic ring together with the phosphorus atom, or wherein R3 and R6 and / or R4 and R7 and / or R5 and R8 form an alkyl or alkyl ether bridge together with the nitrogen atom to which it is attached form a heterocyclic ring; r6, R7 and R8 are alkyl or aryl, which may be unsubstituted or substituted, or form a heterocyclic ring, alone or together, with R3, R4 or R5 and the nitrogen atom to which it is attached; m, n and o are 0 or 1, with the proviso that at least one of m, n and o is 1, metal complexes thereof and use for catalytic purposes. # imgabs0 #

The invention relates to organic electroluminescent materials and devices. Organometallic compounds comprising one central metal atom and at least one at least bidentate ligand comprising at least two moieties independently being a monocyclic or polycyclic fused ring system wherein each ring of the monocyclic or polycyclic fused ring system is independently a 5-to 10-membered carbocyclic or heterocyclic ring are provided. Formulations comprising these organometallic compounds are also provided. Organic light emitting devices (OLED) and related consumer products utilizing these organometallic compounds are also provided.

Please replace the Abstract with the following replacement version which is marked up to show the changes.A compound comprising a first ligand LA of Formula I,is provided. In the compound, moiety B is a monocyclic ring or a polycyclic fused ring system; each of X1 to X6 is C or N; K is a direct bond or a linking group; at least one RA comprises silyl or germyl; any RA that is silyl or germyl does not form a 5-membered ring with another RA; each substituent is hydrogen or a General Substituents defined herein; the first ligand LA is coordinated to a metal M by the dashed lines. Formulations, OLEDs, and consumer products containing the compound are also provided.

Provided are organometallic compounds of of Formula I:Also provided are formulations comprising these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic compounds.

Provided is a compound having a first ligand LA comprising a structure of Formula I,In Formula I, each of moiety A and moiety B is a monocyclic ring or a polycyclic fused ring system; moiety C is a monocyclic ring; K is a direct bond or a linking group; X is C or a heteroatom; Z1 and Z2 can be C or N; each R1, RA, RB, and RC is hydrogen or a General Substituent defined herein; and LA is coordinated to a metal M. Formulations, OLEDs, and consumer products containing the compound are also provided.

The invention discloses an organic electroluminescent material and a device thereof. The organic electroluminescent material is a compound with a structure as shown in a formula 1. The novel compounds can be used as luminescent materials in organic electroluminescent devices, and can provide better device performance, such as narrow half-peak width, low voltage, high external quantum efficiency and high current efficiency. The invention further discloses an organic electroluminescent device containing the compound with the structure shown in the formula 1 and a compound composition.

A series of palladium compounds described in the specification are excellent vinyl addition polymerization catalysts. Specifically, compounds represented by general formulae (I) and (II) described in the specification unexpectedly exhibit much higher reactivity than compounds known in the art in the vinyl addition polymerization of various cycloolefin monomers, and thus can form a polymer having an extremely high molecular weight. The present specification also discloses methods of forming various solid three-dimensional articles, such as solution extrusion of a polymer solution formed by vinyl addition polymerization of various cycloolefin monomers using very low amounts of a palladium compound of general formula (I) or (II) as described in the specification. Polymer films formed from the polymerizable composition exhibit unprecedented properties, such as excellent transparency properties, higher thermal and mechanical properties, and other improved properties. Thus, the films so formed can be used in a variety of optoelectronic applications. # imgabs0 #

A compound having a first ligand LA of Formula I,is provided. In Formula I, each of moiety A and moiety B is a monocyclic ring or a polycyclic fused ring system; moiety C is a polycyclic fused ring system; each of X1 to X6, Z1, and Z2 is C or N; K1 and K2 are selected from a direct bond or an organic linker; each RA, RB, and RC is independently a hydrogen or a substituent selected from the group consisting of fluorine, fluoroalkyl, fluorocycloalkyl, fluoroaryl, fluoroheteroaryl, and the Preferred General Substituents defined herein. Formulations, OLEDs, and consumer products containing the compound are also provided.

Disclosed herein are embodiments of a Pd(0) precursor complex and embodiments of phosphorus-based Pd(0) catalysts formed therefrom. Also disclosed are method embodiments for making the Pd(0) precursor complex and the phosphorus-based Pd(0) catalysts. The Pd(0) precursor complex can be used to generate, in situ, the phosphorus-based Pd(0) catalysts, in various different types of palladium-mediated coupling reactions.

The invention discloses a novel C2 symmetric chiral bisamide ligand and a preparation method and application thereof, the ligand has a structure as shown in # imgabs0 #, Ar is aryl, the relative positions of two sulfur in the general formula are different, * represents a chiral center, R is 4-methylbenzyl, 4-bromobenzyl, 2, 6-dimethylbenzyl, methyl or benzyl, and n represents 1 or 2. Dithiophenol and (2S, 3S)-2, 3-diphenylaziridine react to obtain an intermediate, and the intermediate and nitrogen-substituted chiral cyclic amino acid or 2-diphenylphosphinobenzoic acid are subjected to dehydration condensation to obtain various ligands with novel structures. A catalyst formed by complexing the ligand and an allyl palladium chloride dimer can be used as a chiral ligand for efficiently catalyzing an asymmetric allyl alkylation reaction.

The invention concerns a process for the preparation of a padeliporfin di-potassium salt, the process comprising reacting palladium-bacteriopheophorbide (Pd-Bpheide) with taurine and a base.

The present invention relates to the technical field of olefin polymerization catalysts, and discloses a phosphine-phenol late transition metal complex and preparation method therefor and use thereof. The structural formula of the phosphine-phenol late transition metal complex is shown in formula (I), wherein, R1 is selected from substituted or unsubstituted C1-C20 hydrocarbyl, R3 and R4 are each independently selected from halogen, C1-C10 hydrocarbyl, -P(R5)3, -NR6R7 and -OR8R9, wherein R5 is substituted or unsubstituted C1-C10 alkyl or aryl, R6, R7, R8 and R9 are each independently selected from C1-C10 hydrocarbyl, and R6 and R7, as well as R8 and R9, are optionally interconnected to form a five- or six-membered ring. Under similar polymerization conditions, by using the metal complex of the present invention as a catalyst for olefin polymerization, a higher homopolymerization / copolymerization activity can be achieved, and the obtained polymer has an obviously higher molecular weight and a narrower molecular weight distribution.

The invention relates to ylide-functionalized phosphane ligands, the production of same and use in transition metal compounds, as well as the use of same as catalysts in organic reactions.

The invention provides a divalent platinum or palladium metal complex phosphorescent material based on dibenzothiophene coordination and application of the divalent platinum or palladium metal complex phosphorescent material. The phosphorescent material has a general formula structure as shown in a formula (I): # imgabs0. The complex disclosed by the invention is based on a novel tetradentate ligand of 4-phenyl dibenzothiophene, pyridine phenoxy anions and derivatives thereof, and is coordinated with central metal ions to form a 6 / 5 / 6 type tetradentate ring metal complex phosphorescent material; due to the existence of the Pt-S coordinate bond, the material has an obvious temperature response characteristic. The luminescent intensity of the material is increased along with the reduction of the temperature, the emission wavelength is subjected to blue shift along with the reduction of the temperature, and the material shows dark green light emission at 77K, but shows yellow light emission along with the temperature rising to 289K, which indicates that the material has potential application value in optical thermometers.

Provided are a compound having a metal M and a first ligand LA comprising the structure ofwhere the compound is capable of functioning as a phosphorescent emitter in an organic light emitting device at room temperature.