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Class 548/106 - The metal is bonded directly to chalcogen which chalcogen is attached indirectly to the five-membered hetero ring by nonionic bonding


Subclass of Class 548 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein the metal is bonded directly to chalcogen
No. of patents: 57
Last issue date: 02/19/2008


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NumberTitleIssue Date
7332233Iridium compound and organic electroluminescent device using the same
A blue phosphorescent compound and an organic electroluminescent device using the same are provided. The blue phosphorescent compound can emit deep blue light and can improve color purity and reduce power consumption when used in an organic electroluminescent device...
02/19/2008
7232616Organic electroluminescent materials and devices made from such materials
A class of organic metal complexes with mixed ligands for organic light emitting diodes are designed and characterized as the formula:(L2L3M)n. In this formula: L2 is a bidentate ligand which has at least one coordinate atom of oxyge...
06/19/2007
7211334Electroluminescent materials and devices
An electroluminescent material is a metal complex, preferably aluminium, of a substituted pyrazol-5-one. ...
05/01/2007
7094516Benzobisazole compound and optical recording medium containing the compound
An optical recording medium having an organic dye layer as a recording layer on a substrate, wherein at least one benzobisazole-based compound represented by a general formula (1) is contained in the recording layer:
08/22/2006
6818586Hexacoordinated ruthenium or osmium metal carbene metathesis catalysts
The present invention relates to novel hexacoordinated metathesis catalysts and to methods for making and using the same. The inventive catalysts are of the formula wherein: M is ruth...
11/16/2004
6696586Bis AU(I) sensitizers and their synthesis
This invention relates to an organothiosulfonato Au(I) complex having the formula wherein M is a cationic counter ion; A is a substituted or unsubstituted organic group; and n is 1 to 4; and wherein the compound is symmetrical. It further relates t...
02/24/2004
6667403Candle wax compositions stabilized with UV absorber-metal combinations
Dyes and pigments present in candle wax compositions are particularly well stabilized against color fade or color change by a combination of a UV absorber and a metal compound, particularly a tin compound. The further addition of a hindered amine or antio...
12/23/2003
6451988Naphthol derivatives
Novel naphthol derivatives, and various azo compounds and metal complexes prepared by using the derivatives are provided. The instant invention provides naphthol derivatives represented by general formula (1); ##STR1## wherein at least one of Y1
09/17/2002
6365746Stable and water soluble bis Au(I) complexes and their synthesis
This invention relates to an organomercapto Au(I) complex having the formula [(M--SOL)n --A--S--Au--S--A--(SOL--M)n ]M wherein M is a cationic counterion; SOL is a solubilizing group: A is a substituted or unsubstituted divalent organic linkin...
04/02/2002
6077805Hexacoordinated ruthenium or osmium carbene catalysts
Hexacoordinated ruthenium and osmium catalysts of the formulae ##STR1## in which M and M' independently of one another are ruthenium or osmium; X, X', Y and Y' independently of one another are anionic ligands, or X and Y and X' and Y' in each case togethe...
06/20/2000
6071632Triboluminescent lanthanideIII complexes
In one of its aspects, the invention relates to compounds of formula I ##STR1## M is Eu, Tb or Dy, Sm; R2 is hydrogen or C1 -C6 alkyl, and R1 and R3 are each independently of the other phenyl, hydrogen or ...
06/06/2000
5990150Heterocyclic derivatives, method of production thereof and pharmaceutical use thereof
Heterocyclic derivatives of the formula (I) ##STR1## wherein each symbol is as defined in the specification, pharmaceutically acceptable salts thereof and method of producing them. Pharmaceutical compositions containing the heterocyclic derivative or...
11/23/1999
5925472Electroluminescent devices
A metal chelate compound of the formula Ln --M+n (I) wherein M represents a metal; n is an integer, or number of from 1 to 3; and L is a ligand of ##STR1## wherein Ar is aryl; X is selected fro...
07/20/1999
5877320Process for the preparation of organotin compounds useful as cytotoxic agents
The present invention is drawn to complexes of dibenzyl-organotin compounds having nitrogen or sulfur containing heterocyclic ligands. Said complexes are useful as cytotoxic agents....
03/02/1999
5756491Antiviral cobalt-organic compounds
Compounds having the formula ##STR1## wherein each A may be the same or different and is an alkyl group, a phenyl group or a substituted derivative of a phenyl group; Y may be the same or different and is hydrogen, an unbranched alkyl group, a halide...
05/26/1998
5693820Ruthenium complexes with a chiral, bidentate phosphine/oxazoline ligand for enantioselective transfer hydrogenation of prochiral ketones
Ruthenium complexes with a chiral ligand of the general formula: ##STR1## are used for the enantioselective transfer hydrogenation of prochiral ketones....
12/02/1997
5618958Chiralrhenium catalysts and processes for preparing the same
A novel catalyst comprising the formula: LRE(O)n wherein L is selected from the group consisting of (a) (R1)(AL) wherein R1 is an alkyl side chain containing at least one carbon-rhenium covalent bond, and AL is a molecule having C2 ...
04/08/1997
55147991,1-vinyl substituted nonlinear optical materials
Nonlinear optical compounds having structures with delocalized resonance configurations corresponding to: ##STR1## wherein A1 and A2 are independently selected from electron withdrawing moieties; R1 and R2 ...
05/07/1996
5506345Metal complexes for hypoxic cells
Agents for the diagnosis or treatment of hypoxic cells comprise a bioreductive moiety such as 2-nitroimidazole, and a metal chelating moiety which is a bis-amine oxime of which a carbon atom adjacent a nitrogen atom is linked to the bioreductive moiety. A...
04/09/1996
5506357Cyanine dyes for use in optical recording medium
A photostable cyanine dye possessing a structure represented by the general formula I or II: .PHI.+ -L=.PSI..multidot.Q- (I) .PHI.=L-.PSI.+ .multidot.Q- (II) wherein .PHI. denotes...
04/09/1996
5371234Ion specific chelating agents derived from ଲ-hydroxyhistidine, 4-(1-hydroxy-1-alkyl)imidazole and derivatives thereof
ଲ-hydroxyhistidine, 4-(1-hydroxy-1-alkyl)imidazole or derivatives thereof can be used as a bidentate ligand in the chelation of iron(III), Al(III), Cr(III), Ga(III) and the actinides(IV), such as plutonium 238. ଲ-hydroxyhistidine is found in a...
12/06/1994
5273984Salts formed between basic histamine H2 -receptor antagonists and bismuth complexes
The invention relates to salts formed between basic H2 -receptor antagonists and a complex of bismuth with a carboxylic acid, and solvates of such salts, excluding salts in which the basic H2 -receptor antagonist is ranitidine. Examp...
12/28/1993
5217706Complexes and compositions for magnetic resonance imaging
Novel magnetic resonance imaging agents comprise complexes of paramagnetic ions with hydrazide derivatives of polyaminocarboxylic acid chelating agents. These novel imaging agents are characterized by excellent NMR image-contrasting properties and by high...
06/08/1993
5171861Thiadiazole-aryl sulfonate reaction products as multifunctional additives and compositions containing same
Dimercaptothiadiazole reacted with arylsulfonic acids preformed or formed in situ in lubricants provide multifunctional antioxidant, antiwear, and corrosion inhibiting properties thereto....
12/15/1992
5126466Cyanocobaltate oxygen adducts
A process is provided for selectively separating oxygen from an oxygen-containing fluid stream by bringing said fluid stream into contact with a high capacity solid state cyanocobaltate complex in a non-aluminosilicate environment represented by the chemi...
06/30/1992
5043452Titanium or silicon atom containing oxazolidine compound
Disclosed is a novel oxazolidine compound containing a titanium atom or a silicon atom. The ozazolidine compound is represented by the following formula [I]; ##STR1## wherein R represents a hydrogen atom, a C1 -C10 alkyl, an ary...
08/27/1991
5037978Hafnium-catalyzed transesterification
An ester of a carboxylic acid is prepared via a transesterification reaction which comprises reacting a lower alkyl ester of carboxylic acid with a higher alkyl alcohol in the presence of a catalyst consisting of a hafnium chelate derived from hafnium tet...
08/06/1991
4791205Bisbenzoxazolylnaphthalenes containing sulfonate or sulfonamide groups, a process for their preparation and their use
Compounds of the general formula ##STR1## in which n denotes 1 or 2, X denotes an OMe group, Me denotes a proton, an alkali metal cation or an optionally substituted ammonium cation, R denotes hydrogen, a lower alkyl group or halogen, and, in the event th...
12/13/1988
4752561Light-sensitive silver halide photographic material incorporating metal complex with high quenching constant and an oil soluble dye
There is disclosed a light-sensitive silver halide photographic material having a silver halide emulsion layer containing a coupler on a support, comprising at least one of the metal complexes having a quenching constant of singlet oxygen of 3×107
06/21/1988
4661516Diaminocyclohexane platinum complexes
Diaminocyclohexane platinum complexes having the structural formula ##STR1## wherein: X is a monovalent anion selected from the group consisting of isoascorbate, monosaccharate, saccharate-4-lactone, shikimate, isethionate, 2-aminoethylsulfate, azeti...
04/28/1987
4623480Synergistic mixtures of nickel-containing 2,2'-thiobis(alkylphenols) and pyrazolates
Stabilizer systems containing at least two Ni-containing light-stabilizers in which nickel (which, in class 2, optionally contains an additional ligand) forms a complex compound with a compound selected from the group consisting of the classes: (1) 2-hydr...
11/18/1986
4613670Group IVB metal containing polydyes
Water soluble dyestuffs having at least two reactive Lewis base sites are polymerized in a condensation reaction with group IVB metallocenes or group IVA organohalides to yield linear or crosslinked, and colored and/or fluorescent polymeric products. The ...
09/23/1986
4565884Bis-platinum complexes as antitumor agents
Bis-platinum complexes having the formula ##STR1## wherein A is a ligand having two pairs of platinum-coordinating acidic groups which are each independently a carboxylate, phenolate, sulfonate or phosphonate group, each said pair being capable of co...
01/21/1986
4510136Fungicidal 1,2,4-triazole derivatives
Silicon-containing 1,2,4-triazoles having broad-spectrum fungicidal activity have been discovered....
04/09/1985
4496727Process for the manufacture of metal complexes of isoindoline azines
The invention relates to a simplified process for the manufacture of 1:1 metal complexes of isoindoline azines of the formula ##STR1## wherein R is hydrogen, alkyl or aryl, Q contains an isocyclic or heterocyclic radical, acyl, carbamoyl or thiocarba...
01/29/1985
4474952Process for the preparation of metal complexes of isoindolinazines
Process for the preparation of 1:1 metal complexes of azines of the formula ##STR1## in which R1 is an H atom or an alkyl or aryl group, R2 is an isocyclic or heterocyclic radical with a hydroxyl or mercapto group adjacent to th...
10/02/1984
4385174Isoindoline compounds and the manufacture and use thereof
The invention relates to a simplified process for the manufacture of 1:1 metal complexes of isoindoline azines of the formula ##STR1## wherein R is hydrogen, alkyl or aryl, Q contains an isocyclic or heterocyclic radical, acyl, carbamoyl or thiocarba...
05/24/1983
4367333Metal complexes of isoindolinazines, process for their preparation and use
1:1 metal complexes of isoindolinazines of the formula ##STR1## in which the ring A can be further substituted, R is a hydrogen atom or an alkyl or aryl group, B is an isocyclic or heterocyclic aromatic radical, R1 is the OH or SH group an...
01/04/1983
4366312Metal complexes of isoindolinazines, process for their preparation and use
1:1 metal complexes of azines of the formula ##STR1## in which the ring A can be further substituted, R is an H atom or an alkyl or aryl group, B is an isocyclic or heterocyclic aromatic radical or an alicyclic radical, R1 is the OH or SH ...
12/28/1982
4349671Process for the production of metal complexes of isoindoline azines
The invention relates to a process for the manufacture of 1:1 metal complexes of azines of the formula ##STR1## wherein R1 is a hydrogen atom, an alkyl or aryl group, R2 is an isocyclic or heterocyclic radical containing a hydro...
09/14/1982
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