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218 results about "Tridentate ligand" patented technology
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A tridentate ligand (or terdentate ligand) is a ligand that has three atoms that can function as donor atoms in a coordination complex. Well-known tridentate ligands include diethylenetriamine with three nitrogen donor atoms, and the iminodiacetate anion which consists of one deprotonated amine nitrogen and a pair of carboxylate groups.
Complexes with tridentate ligands
ActiveUS7279704B2Electroluminescent light sourcesSolid-state devicesOrganic light emitting deviceCoordination complex
The present invention relates to organic light emitting devices (OLEDs), and more specifically to phosphorescent organic materials used in such devices. More specifically, the present invention relates to emissive phosphorescent material which comprise at least one tridentate ligand bound to a metal center, wherein at least one of the bonds to the tridentate ligand is a carbon-metal bond.
Owner:UNIVERSAL DISPLAY +1
Complexes with tridentate ligands
ActiveUS20050260449A1Electroluminescent light sourcesSolid-state devicesOrganic light emitting devicePhotochemistry
The present invention relates to organic light emitting devices (OLEDs), and more specifically to phosphorescent organic materials used in such devices. More specifically, the present invention relates to emissive phosphorescent material which comprise at least one tridentate ligand bound to a metal center, wherein at least one of the bonds to the tridentate ligand is a carbon-metal bond.
Owner:UNIVERSAL DISPLAY +1
Complexes with tridentate ligands
ActiveUS20090115322A1Group 5/15 element organic compoundsGroup 3/13 element organic compoundsOrganic light emitting deviceCoordination complex
The present invention relates to organic light emitting devices (OLEDs), and more specifically to phosphorescent organic materials used in such devices. More specifically, the present invention relates to emissive phosphorescent material which comprise at least one tridentate ligand bound to a metal center, wherein at least one of the bonds to the tridentate ligand is a carbon-metal bond.
Owner:UNIVERSAL DISPLAY
Metal complex compound and organic electroluminescence device using the compound
InactiveUS20070138437A1Improve efficiencyLong life-timeIndium organic compoundsElectroluminescent light sourcesOrganic filmLength wave
Provided are an organic electroluminescence device whose wavelength of light emission is short and which can emit blue light having a high color purity, and a metal complex compound for realizing the device. The metal complex compound is of a specific structure having a partial structure including two tridentate ligands. The organic electroluminescence device includes: a pair of electrodes; and an organic thin film layer which has one layer or a plurality of layers including at least a light emitting layer and is disposed between the pair of electrodes. In the organic electroluminescence device, at least one layer of the organic thin film layer contains the metal complex compound. The organic electroluminescence device emits light by applying a voltage between both the electrodes.
Owner:CHUO UNIVERSITY +1
Catalyst for polymerization and copolymerization of olefine and its synthesis and use
The catalyst for polymerization and copolymerization of olefine is one novel kind of group III to group XIII transition metal complex of tridentate ligand.
Owner:SHANGHAI INST OF ORGANIC CHEM CHINESE ACAD OF SCI
Panchromatic photosensitizers and dye-sensitized solar cell using the same
InactiveUS20100258175A1Improve photoelectric conversion efficiencyImprove response efficiencyRuthenium organic compoundsElectrolytic capacitorsPhosphoric acidCarboxylic acid
Panchromatic photosensitizers having a Formula of ML1L2X were synthesized, wherein M comprises ruthenium atom; X is a monodentate anion; L1 is heterocyclic bidentate ligand having one of formulae listed below:wherein G2 has one of formulae listed below:and L2 is a tridentate ligand having a formula listed below:The substituents R1, R2, R3, R4, R5, R6, R7 of L1 and L2 are the same or different, and represent alkyl, alkoxy, alkylthio, alkylamino, halogenated alkyl, phenyl or substituted phenyl group, carboxylic acid or counter anion thereof, sulfonic acid or counter anion thereof, phosphoric acid or counter anion thereof, amino-group, halogens, or hydrogen. The above-mentioned photosensitizers are suitable to use as sensitizers for fabrication of high efficiency dye-sensitized solar cell.
Owner:NATIONAL TSING HUA UNIVERSITY
Heteroleptic, dual tridentate ru(II) complexes as sensitizers for dye-sensitized solar cells
InactiveUS20120073660A1Improve stabilityImprove photoelectric conversion efficiencyRuthenium organic compoundsElectrolytic capacitorsPhotosensitizerRuthenium
Photosensitizers having a formula of RuL1L2 (1) are provided, wherein Ru is ruthenium; L1 and L2 are heterocyclic tridentate ligands. L1 has a formula of (2), and L2 has a formula of G1G2G3 (3), wherein G1 and G3 are selected from the group consisting of formulae (4) to (7), and G2 is selected from the group consisting of formulae (7) and (8). The above-mentioned photosensitizers are suitable to be used as sensitizers for fabrication of high efficiency dye-sensitized solar cells.
Owner:NATIONAL TSING HUA UNIVERSITY
Catalyst composition and olefin polymerization using same
InactiveUS6911506B2High purityOrganic-compounds/hydrides/coordination-complexes catalystsHydrocarbons from unsaturated hydrocarbon additionButeneOligomer
Novel metal complexes, particularly chromium complexes, which contain at least one tridentate ligand are disclosed and prepared. Olefins, particularly ethylene, can be reacted to form butene and / or other homo- or co-oligomers and / or polymers with high α-olefin concentrations by contacting a metal catalyst which contains a transition metal, particularly chromium, complexes having per metal atom at least one tridentate ligand with N, O, or N and O coordinating sites.
Owner:CHEVRON PHILLIPS CHEMICAL CO LP
4,4'-dicarboxy-2,2'-bipyridine derived tridentate ligand, metal complex containing the same, and application thereof
InactiveUS20120247561A1Improve bindingImprove the overall coefficientRuthenium organic compoundsElectrolytic capacitorsBipyridinePyridine
Disclosed is a 4,4′-dicarboxy-2,2′-bipyridine derived tridentate ligand represented by formula (I):wherein definitions of Y1, Y2, and R are the same as those defined in the specification.Also disclosed are a metal complex containing the aforesaid tridentate ligand and a dye-sensitized solar cell containing the metal complex.
Owner:NATIONAL TSING HUA UNIVERSITY
Panchromatic photosensitizers and dye-sensitized solar cell using the same
InactiveUS20120111410A1Improve photoelectric conversion efficiencyImprove response efficiencyRuthenium organic compoundsElectrolytic capacitorsHydrogenPhotosensitizer
Panchromatic photo sensitizers having a Formula of ML1L2X were synthesized, wherein M represents ruthenium atom; X represents a monodentate anion; L1 is heterocyclic bidentate ligand having one of formulae listed below:wherein G2 has one of formulae listed below:and L2 is a tridentate ligand having a formula listed below:Substituents R1, R2, R3 and R4 of L1 are the same or different and are selected from the group consisting of hydrogen, halogens, amino-group alkyl, alkoxy, alkylthio, alkylamino, halogenated alkyl, phenyl and substituted phenyl group. Substituents R5, R6 and R7 of L2 are the same or different and are selected from the group consisting of carboxylic acid and counter anion thereof, sulfonic acid and counter anion thereof, phosphoric acid and counter anion thereof. The above-mentioned photosensitizers are suitable to use as sensitizers for fabrication of high efficiency dye-sensitized solar cell.
Owner:NATIONAL TSING HUA UNIVERSITY
Novel ruthenium carbonyl complex having tridentate ligand, its production method and use
ActiveUS20110237814A1Improve stabilityEasy to operateRuthenium organic compoundsSilicon organic compoundsAlcoholRuthenium
The present invention relates to a ruthenium carbonyl complex that is represented by the following Formula (1):RuXY(CO)(L) (1)(in the Formula (1), X and Y, which may be the same or different from each other, represent an anionic ligand and L represents a tridentate aminodiphosphine ligand which has two phosphino groups and a —NH— group), its production method, and a method for production of alcohols by hydrogenation-reduction of ketones, esters, and lactones using the complex as a catalyst.The ruthenium carbonyl complex of the invention has a high catalytic activity and it can be easily prepared and handled.
Owner:TAKASAGO INTERNATIONAL CORPORATION
Luminescent gold(III) compounds for organic light-emitting devices and their preparation
ActiveUS20090278453A1Increase currentImprove power efficiencyDischarge tube luminescnet screensGroup 8/9/10/18 element organic compoundsChemical structureOrganic light emitting device
A class of luminescent gold(III) compounds containing a tridentate ligand with one strong σ-donating group having the chemical structure depicted by generic formula (I):wherein:(a) X is selected from nitrogen;(b) Y and Z selected from carbon;(c) A is cyclic structure derivative of pyridine group;(d) B and C are cyclic structure derivative of phenyl groups;(e) R1 is an optionally substituted carbon donor ligand attached to the gold atom;(f) n is zero, a positive integer or a negative integer.
Owner:VERSITECH LTD
Metal Complex Containing Tridentate Ligand, and Polymerization Catalyst Comprising the Same
InactiveUS20080114136A1Group 4/14 element organic compoundsGroup 5/15 element organic compoundsMicro structurePolymerization catalysts
The present invention provides 1) a complex comprising a mono-anionictridentate ligand, represented by the following general formula (I); 2) a polymerization catalyst composition, comprising the complex; and 3) a cis-1,4-isoprene polymer, a cis-1,4-butadiene polymer, a cis-1,4-isoprene-styrene copolymer, a cis-1,4-butadiene-styrene copolymer, a cis-1,4-butadiene-cis-1,4-isoprene copolymer, and a cis-1,4-butadiene-cis-1,4-isoprene-styrene copolymer, each of which has high-cis-1,4 content in a micro structure and a sharp molecular-weight distribution.
Owner:RIKEN
Organometallic Complex, Luminescent Solid, Organic el Element and Organic el Display
InactiveUS20070224447A1Increased operating lifeIncreased durabilityOrganic compound preparationGroup 5/15 element organic compoundsHole transport layerOperating life
The present invention aims to provide organic EL elements etc., containing phosphorescent organometallic complexes, that can exhibit longer durability, higher emitting efficiency, superior thermal / electrical stability, significantly longer operating life. The organic EL elements comprise an organic thin layer interposed between a positive hole transport layer and a electron transport layer, the organic thin layer comprises an organometallic complex comprising at least a metal element, a tridentate ligand, and a monodentate ligand, wherein the tridentate ligand bonds with the metal atom through two nitrogen atoms and one carbon atom, and the carbon atom exists between the two nitrogen atoms, and a monodentate ligand bonds with the metal atom through a atom selected from the group consisting of C, N, O, P and S atoms.
Owner:FUJIFILM CORP
Catalyst composition and olefin polymerization using same
InactiveUS7056997B2High purityOrganic-compounds/hydrides/coordination-complexes catalystsCatalytic reactionsButeneOligomer
Novel metal complexes, particularly chromium complexes, which contain at least one tridentate ligand are disclosed and prepared. Olefins, particularly ethylene, can be reacted to form butene and / or other homo- or co-oligomers and / or polymers with high α-olefin concentrations by contacting a metal catalyst which contains a transition metal, particularly chromium, complexes having per metal atom at least one tridentate ligand with N, O, or N and O coordinating sites.
Owner:CHEVRON PHILLIPS CHEMICAL CO LP
Extended pi-conjugated platinum (II) complexes
ActiveUS20080309227A1Discharge tube luminescnet screensLamp detailsPlatinumOrganic light emitting device
The invention provides organometallic complexes comprising an extended π-conjugated tridentate ligand having a platinum center in which chemical and / or physical properties of the complexes may be modified by changing the structure of the ligands. The complex finds use in devices incorporated into electroluminescent devices, flat panel displays, organic light emitting devices, polymer light emitting devices, transistors, serrors, and lasers.
Owner:VERSITECH LTD
Catalytic antioxidants
The present invention is directed to lubricating oils of improved antioxidancy comprising a base oil selected from the group consisting of mineral oils, synthetic oils and mixtures thereof containing an effective amount of one or more organometallic compound and / or coordination complex selected from the group consisting of (a) a metal or metal cation with more than one oxidation state, above the ground state, and two or more anions, (b) a metal or metal cation with more than one oxidation state above the ground state and one or more bidentate or tridentate ligands, (c) a metal or metal cation with more than one oxidation state above the ground slate, and one or more amines and one or more ligands, and (d) mixtures thereof, to a method for improving the antioxidancy of formulated lubricating oil compositions by the addition thereto of an effective amount of the aforementioned organometallic compound, and / or coordination complex, and to an additive concentrate containing the aforementioned organometallic compound and / or coordination complex.
Owner:EXXON RES & ENG CO
Atomic layer deposition method using a novel group IV metal precursor
InactiveUS20030012876A1Polycrystalline material growthFrom chemically reactive gasesThermal stabilityChemical stability
An atomic layer deposition method which comprises forming a metal oxide thin film by using, as a group IV metal precursor, a complex of a formula M(L)2 in which M is a group IV metal ion having a charge of +4 and L is a tridentate ligand having a charge of -2, the ligand being represented by the following formula (I): wherein each of R1 and R2, independently, is a linear or branched C1-4 alkyl group; and R3 is a linear or branched C1-5 alkylene group. The group IV metal precursor exhibits excellent thermal and chemical stabilities under a carrier gas atmosphere, whereas it has high reactivity with a reaction gas.
Owner:SAMSUNG ELECTRONICS CO LTD
Organometallic complex, luminescent solid, organic EL element and organic EL display
InactiveUS7276617B2Easy to synthesizeReadily availableDischarge tube luminescnet screensLamp detailsNitrogenMetal
An object of the invention is to provide an organic EL element which uses an organometallic complex emitting light by phosphorescence and which represents excellent luminous efficiency, etc; or the like. The organic EL element of the invention includes the organometallic complex, where the organometallic complex includes a metal atom, and a tridentate ligand, where the tridentate ligand binds to the metal atom tridentately via two nitrogen atoms and a carbon atom, and the carbon atom is located between the two nitrogen atoms, and where the tridentate ligand has two azomethine bonds (—C═N—), and each nitrogen atom in the azomethine bonds coordinates to the metal atom. Preferably, in one aspect, the organometallic complex includes a monodentate ligand which binds to the metal atom monodentately, and in another aspect, the metal atom is Pt.
Owner:UDC IRELAND
A chiral nitrogen nitrogen phosphine tridentate ligand based on a ferrocene skeleton and an application thereof
ActiveCN108774271AHigh industrial application valueEasy to purifyOrganic compound preparationOrganic-compounds/hydrides/coordination-complexes catalystsDouble bondHigh activity
The invention belongs to the technical field of asymmetric catalysis and specifically relates to a chiral nitrogen nitrogen phosphine tridentate ligand based on a ferrocene skeleton and an applicationthereof. A coordination compound is obtained by the disclosed chiral nitrogen nitrogen phosphine tridentate ligand base on the ferrocene skeleton complexed with a transition metal precursor, the complex is used as a precious metal catalyst, and is successfully applied to high efficiency asymmetric hydrogenation of aromatic ketone. Compared with other tridentate ligands, the ligand is simple to synthetize, is stable to water and air, and easy to prepare on a large scale, shows high activity and high enantioselectivity on carbon and oxygen double bond, and has greater implementation value and social and economic benefits.
Owner:ZHEJIANG UNIV OF TECH
Complexes with tridentate ligands
ActiveUS8383249B2Discharge tube luminescnet screensLamp detailsOrganic light emitting deviceCoordination complex
Owner:UNIVERSAL DISPLAY
Complexes with tridentate ligands
ActiveUS8067100B2Group 5/15 element organic compoundsGroup 3/13 element organic compoundsOrganic light emitting deviceMetal
The present invention relates to organic light emitting devices (OLEDs), and more specifically to phosphorescent organic materials used in such devices. More specifically, the present invention relates to emissive phosphorescent material which comprise at least one tridentate ligand bound to a metal center, wherein at least one of the bonds to the tridentate ligand is a carbon-metal bond.
Owner:UNIVERSAL DISPLAY
Chiral spiro phosphine-nitrogen-sulfur tridentate ligand and preparation method and application thereof
ActiveCN104892672AHigh catalytic activityHigh enantioselectivityCarbamic acid derivatives preparationIndium organic compoundsIridiumSulfur
Owner:ZHEJIANG RAYBOW PHARM CO LTD
Ruthenium carbonyl complex having tridentate ligand, its production method and use
ActiveUS8471048B2Easy to prepareImprove stabilityRuthenium organic compoundsSilicon organic compoundsAlcoholRuthenium
The present invention relates to a ruthenium carbonyl complex that is represented by the following Formula (1):RuXY(CO)(L) (1)(in the Formula (1), X and Y, which may be the same or different from each other, represent an anionic ligand and L represents a tridentate aminodiphosphine ligand which has two phosphino groups and a —NH— group), its production method, and a method for production of alcohols by hydrogenation-reduction of ketones, esters, and lactones using the complex as a catalyst.The ruthenium carbonyl complex of the invention has a high catalytic activity and it can be easily prepared and handled.
Owner:TAKASAGO INTERNATIONAL CORPORATION
Polymer Compound And Device Using The Same
InactiveUS20080114151A1Improve practicalityDrivability with efficiencyOrganic chemistry methodsGroup 8/9/10/18 element organic compoundsPolymer sciencePolymer
A polymer compound comprising in the same molecule a structure of (A) a conjugated polymer and a structure of (B) a metal complex having at least one tridentate ligand and having a central metal of which atomic number is 21 or more.
Owner:SUMITOMO CHEM CO LTD
Method for asymmetrically synthesizing chiral beta-acetenyl ketone from beta-ketonic acid
InactiveCN104513146AHigh reactivityHigh stereoselectivityOrganic compound preparationOrganic-compounds/hydrides/coordination-complexes catalystsKetonic acidsKetone
The invention relates to a method for synthesizing chiral beta-acetenyl ketone by catalytic intermolecular decarboxylation from beta-ketonic acid and a propargyl compound. A chiral copper catalyst adopted in the invention is synthesized in stiu from a copper salt and a chiral P,N,N-tridentate ligand in various polar solvents and nonpolar solvents. According to the invention, various chiral beta-acetenyl ketone compounds with substituent groups can be synthesized conveniently, and can obtain a percent enantiomeric excess as high as 95%. The method in the invention is advantaged by operational simplicity, available raw materials, wide substrate application range, high enantioselectivity, and the like.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
Ruthenium complexes with tridentate heterocyclic ligand and dye-sensitized solar cells using the same
ActiveUS20080114174A1Lower bandgapPromoting metal-to-ligand charge transfer （MLCT） transitionRuthenium organic compoundsElectrolytic capacitorsPhosphoric acidCarboxylic acid
A ruthenium complex having a chemical formula of RuL1L2X is provided. The chemical formula includes a structural formula represented by the following Formula (I):in which, X is a monodentate anion ligand, L1 and L2 respectively represent a heterocyclic tridentate ligand with a structure shown in the following structural formula (II):and a bipyridine ligand derivative with a structure shown in the following structural formula (III):in which R1, R2, R4 and R5 of L1 and L2 are the same or different substituents and represent alkyl, alkoxy, aminoalkyl, haloalkanes or substituted phenyl group, carboxylic acid group or acid radical salt thereof, sulfonic acid group or acid radical salt thereof, phosphoric acid group or acid radical salt thereof or hydrogen atom. R3 represents perhalogenated alkyl group, alkoxy, alkyl, amino, halogens, or hydrogen atom. The ruthenium complexes are suitable for being used as dye-sensitizers for fabricating dye-sensitized solar cells.
Owner:IND TECH RES INST
Novel diarylphosphine-containing compounds, processes of preparing same and uses thereof as tridentate ligands
InactiveUS20100292100A1Clear processOrganic-compounds/hydrides/coordination-complexes catalystsPalladium organic compoundsOrganometallic catalysisCombinatorial chemistry
A novel process of preparing tridentate ligands containing a diarylphosphine electron donating group are disclosed. Use of this process for preparing a combinatorial library of such tridentate ligands and of organometallic complexes containing same is also disclosed. Further disclosed are novel diarylphosphine-containing compounds that can serve as tridentate ligands (e.g., pincer ligands), combinatorial libraries of such tridentate ligands, organometallic complexes containing these ligands (e.g., pincer complexes), and combinatorial libraries of such complexes. Methods utilizing these libraries for screening for candidate organometallic catalysts are also disclosed.
Owner:TECHNION RES & DEV FOUND LTD
Chiral tridentate nitrogen-phosphine-oxygen ligands and application of related ligands in asymmetric catalytic reactions
ActiveCN105732725AAir stabilizationRegulatory steric hindranceOrganic compound preparationOrganic-compounds/hydrides/coordination-complexes catalystsNitrogenAsymmetric hydrogenation
The invention relates to PNHO tridentate ligands and application of related ligands in asymmetric hydrogenation and similar reactions. The novel tridentate nitrogen-phosphine-oxygen ligands are first tridentate nitrogen-phosphine-oxygen ligands containing ferrocenyl planar chiral phosphine, and are successfully applied to high-efficiency high-selectivity asymmetric hydrogenation and other similar reactions of simple aromatic ketone, alpha-hydroxyketone and beta-ketone ester. Compared with other dominant tridentate ligands, the ligands provided by the invention have the advantages of simple synthesis route and low cost, can easily implement large-scale synthesis, are stable in air, and have high activity and high selectivity in asymmetric hydrogenation reactions of carbon-oxygen double bonds.
Owner:WUHAN CATALYS TECH CO LTD
Aluminum chemical polishing solution and polishing method with same
The invention relates to an aluminum chemical polishing solution and a polishing method with the same, in particular to a chemical polishing solution used for polishing aluminum, aluminum alloys, aluminum oxide and aluminum alloy oxide. Each liter of polishing solution at least comprises 100-450 g of an alkali compound, 60-120 g of NaNO2, 0.5-20 g of a chelating agent, 0.5-20 g of cationic polymer and the balance water. The alkali compound is selected from at least one of NaOH, KOH and Ba(OH)2, tridentate ligand serves as the chelating agent, and ligating atoms are selected from N and / or O.
Owner:浙江瑞特良微电子材料有限公司
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