248results about "Palladium organic compounds" patented technology

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.

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.

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.

Disclosed are compounds, particularly compounds capable of sensing and / or imaging glycans (such as sialic acid, etc., such as mono-sialic acid, di-sialic acid, tri-sialic acid, polysialic acid) and / or cancer cells and capable of distinguishing between cancer cells and normal cells. The compound is a d8 or d10 metal complex or a salt thereof. The metal complexes may bind to glycans (such as, for example, monosialic acid, disialic acid, trisialic acid, and polysialic acid, etc.) and / or cancer cells. The combination interaction induces the accumulation of the metal complex and the self-assembly of the supramolecules, thereby causing the change of the photophysical properties of the metal complex.

The present application relates to the technical field of electronic materials, and in particular to a metal palladium complex and an organic electroluminescent device. The present application provides a metal palladium complex having a structure as shown in formula 1: [Formula 1]. The metal palladium complex provided by the present application has excellent photoluminescent and electroluminescent properties, and a manufactured luminescent device has long service life and high luminous efficiency.

The present invention belongs to the technical field of synthesis of metal organic complexes, and specifically relates to a nitrogen heterocyclic carbene-Schiff base type C sp2 ^N sp2 Bidentate cyclic palladium complexes and their synthesis methods and applications. This type of complex is formed by in situ oxidation and chelation of benzylamine or substituted benzylamine in the presence of palladium acetate in air, and then coordinated by nitrogen heterocyclic carbene. This type of Schiff base type C sp2 ^N sp2 The bidentate ligand has a strong electron-donating ability, which increases the electron cloud density of the metal center and more effectively catalyzes the Suzuki-Miruaya coupling reaction.

This invention provides a cyclic palladium dimer, its preparation method, and its applications, belonging to the field of optoelectronic materials technology. The cyclic palladium dimer provided by this invention can be used as a novel phosphorescent material in organic light-emitting diodes (OLEDs), addressing the shortcomings of existing phosphorescent materials and offering new insights into the design of phosphorescent material structures using Pd metal.

The invention discloses a method for preparing diene palladium halide by taking palladium waste liquid as a raw material and application, and belongs to the technical field of chemistry and chemical engineering. The method comprises the following steps: by taking palladium-containing waste liquid generated in industrial production as a palladium source, halogenating; adding excessive nitrile compounds to carry out nitrile coordination precipitation, and separating to obtain brown yellow precipitate; and dispersing the precipitate in a solvent, and adding a diene ligand for a replacement reaction to prepare a high-purity diene palladium halide product. The method disclosed by the invention is simple in process, mild in condition, high in palladium recovery rate (greater than or equal to 90%) and greater than or equal to 98% in product purity, and realizes recycling and high-value utilization of the palladium-containing waste liquid. According to the present invention, the diolefin palladium halide is adopted as the main ligand, PPh3 is adopted as the auxiliary ligand, the obtained diolefin palladium halide shows excellent catalytic activity in the Suzuki coupling reaction, the product yield is improved by 7-10% compared with the traditional Pd (PPh3) 4 or the similar catalyst without adding the auxiliary ligand, and the significant economic benefits and the significant environmental benefits are provided.

The present invention relates to novel ligands of formula 1, their metal complexes and their use for catalytic purposes. In Formula 1, R1 is alkyl, perfluoroalkyl, aryl, or cycloalkyl, each of which is unsubstituted or substituted with cyano, sulfonyl: -SO2-R10 (R10 = C1-C5 alkyl, C5-C6 cycloalkyl, C5-C10 aryl, each of which is unsubstituted or substituted with C1-C4 alkyl or C1-C4 perfluoroalkyl), or silyl: Si(R20R30R40) (R20, R30, and R40 are, independently of one another, C1-C6 alkyl or C5-C10 aryl, each of which is unsubstituted or substituted with C1-C4 alkyl); R2 is alkyl, cycloalkyl, adamantyl, or aryl, each of which is substituted or unsubstituted; and R3, R4, and R5 are alkyl, cycloalkyl, or aryl. R3 and R6, and / or R4 and R7, and / or R5 and R8 together form an alkyl bridge or alkyl ether bridge which, together with the nitrogen atom to which they are attached, forms a heterocyclyl ring; R6, R7, and R8 are alkyl or aryl which are unsubstituted or substituted, or which, individually or collectively, form a heterocyclyl ring with R3, R4, or R5 and the nitrogen atom to which they are attached; and m, n, and o are 0 or 1, provided that at least one of m, n, and o is 1.

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; X and Y are independently single-atom linkers; N* is a nitrogen atom; the bond between N*—Y and the bond between X—Y are both single bonds; each of X1, X2, X3, Z1, and Z2 is C or N; each of K1 and K2 is a direct bond or a linker; each R, R′, Rα, Rβ, RA, and RB is hydrogen or a General Substituent defined herein; LA is coordinated to a metal M having an atomic mass of at least 40. Formulations, OLEDs, and consumer products containing the compound are also provided.

The invention provides a cyclometalated palladium tetramer as well as a preparation method and application thereof, and belongs to the technical field of photoelectric materials. The cyclometalated palladium tetramer provided by the invention can be used as a novel phosphorescent luminescent material for an organic light-emitting diode, and a new thought is provided for application of Pd metal in the design of a phosphorescent luminescent material structure.

A compound having a first ligand LA that includes a structure of Formula I, is provided. In Formula I, ring A and ring B are each 5- or 6-membered rings; K is a single bond or a linker; each of X1 to X7 is C or N; each RA, RB, and RC is hydrogen or a General Substituent defined herein; if ring C is a 5-membered ring, at least one of X1 and X2 is N; and if ring C is a 6-membered ring, the one of the following conditions is true: (1) Ring A comprises a structure of Formula II, or (2) Ring A comprises a structure of Formula III, where Y is a linker. Formulations, OLEDs, and consumer products containing the compound are also provided.