Matches 51 - 100 out of 434 < 1 2 3 4 5 6 7 8 9 >
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6348611 Process for carbonylation of epoxide derivatives  
The present invention relates to a process for carbonylation of epoxide derivatives, in which the reactivity, selectivity and the yield are superior. More specifically, the present invention...
6313333 Multinuclear cationic platinum complexes with antitumor activity  
The present invention relates to tetra- and penta-nuclear platinum complexes with antitumor activity, to a method for preparing them and to pharmaceutical compositions containing them.
6288229 Ruthenium complex having di or tetrapyridophenazine ligand useful for use as luminescent material  
A ruthenium (II) complex having a dipyridophenazine or tetrapyridophenazine ligand and being represented by the formula (1) or (2) shown in the specification. Upon absorption of light, the complex...
6274806 Platinum complex for use as sensitizer for semiconductor electrode of solar cell  
A platinum complex represented by the formula PtL 1 /L 2 or PtLX 1 /LX 2 wherein L 1 and L each represent a ligand selected from the group consisting of 2,2'-bipyridine compounds having at...
6268357 Organic vanadium (III) complexes and their use  
Organic complexes of vanadium are provided, having the general structure VL 3 , where V is vanadium(III) and L is a monoprotic bidentate ligand that forms a five-membered, unsaturated vanadium...
6180788 Catalyst compositions  
The invention is directed towards a metal complex having the formula LMX 1 X 2 . L is a bidentate nitrogen-containing ligand with more than 2 nitrogens. M is copper, silver, or gold. X 1 and X 2 ...
6177528 Substituted aminomethylphosphines, compositions and coordination complexes of same, their synthesis and processes using same  
Novel aminomethylphosphine ligands have particular substituents on the central carbon atom. Such ligands form coordination complexes that may be catalysts for the polymerization of monomers or...
6168776 Alkyl, alkenyl and alkynyl Chrysamine G derivatives for the antemortem diagnosis of Alzheimer's disease and in vivo imaging and prevention of amyloid deposition  
Amyloid binding compounds which are non-azo derivatives of Chrysamine G, pharmaceutical compositions containing, and methods using such compounds to identify Alzheimer's brain in vivo and to...
6136827 Cyclic amine modulations of chemokine receptor activity  
The present invention is directed to cyclic amines of the formula I: ##STR1## (wherein R 1 , R 2 , R 3 , m and n are defined herein) which are useful as modulators of chemokine receptor activity....
6127369 5,10-dihydrodipyrido[2,3-b:2,3-e]pyrazin and 5,10-dihydrodipyrido[2,3-b:3,2-e]pyrazin compounds  
A compound selected from those of formula (I): ##STR1## wherein: X represents N, C or CH, Y represents N when X represents C or CH, or Y represents C or CH when X represents N, R 1 ...
6077805 Hexacoordinated 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...
6013798 Precious metal composition  
Gold thiolates of formula AuSR" or a salt thereof, in which R" is such that HSR" represents: 4,6-dihydroxy-2-mercaptopyrimidine; N-(2-mercaptoacetyl)glycine; N-(3-mercaptopropionyl)glycine;...
5986074 Metal chelates as pharmaceutical imaging agents, processes of making such and uses thereof  
The present invention relates to novel metal chelates, exemplified as technetium-99m or rhenium chelates, and to the process of preparing such metal chelates from corresponding ligands. These...
5942616 Metal ion coordinated complex crystal  
A metal ion coordinated complex crystal is composed of cation of a nitrogen-containing heterocyclic aromatic compound, anion of triiodine and metal ion. The complex crystal can be used as...
5919928 Phenanthridine derivatives and metal complexes thereof used for transparent recording medium or optical recording medium  
A phenanthridine derivative metal complex of formula 1 having a large absorption in the near-infrared range and a reduced absorption in the visible range, which phenanthridine derivative metal...
5912207 Stable herbicidal compositions containing metal chelates of herbicidal dione compounds  
Metal chelates of herbicidal dione compounds of the formula ##STR1## are chemically stable for long periods of time under normal as well as extreme temperature conditions. Chemically stable liquid...
5892033 Metallic chelating dye  
Disclosed is a metal chelate dye which is composed of a metal ion and a ligand that is a methine dye having 2 or more bonding positions capable of coordinate bond to the metal ion at the bonding...
5892042 Acridine derivative metal complexes used for transparent recording medium or optical recording medium  
An acridine derivative metal complex of formula 2 having a large absorption in the near-infrared range and a reduced absorption in the visible range, which acridine derivative metal complex is used...
5886203 Metalorganic compounds  
A process is provided for the production of metalorganic compounds by reacting a Grignard reagent with a Group II, Group III or Group V metal halide in a tertiary alkyl amine solvent to form a...
5728691 Quinolonylcarboxamidocephalosporin derivatives and pharmaceutical compositions containing them  
Derivatives of 7-aminoceph-3-em-4-carboxylic acid with 6-fluoroquinolone derivatives in which the cephem and 6-fluoroquinolone moieties are bound to each other through a carboxamido bond as well as...
5693310 Amide complexes  
Compounds of general Formula I ##STR1## wherein R 3 is a saturated, unsaturated, straight- or branched-chain or cyclic aliphatic hydrocarbon residue of up to 16 carbon atoms or, if R 4 is a...
5681830 Opioid compounds  
Diarylmethyl piperazine compounds having utility as exogenous receptor combinant species for binding with receptors such as delta, mu, sigma, and/or kappa receptors are disclosed. Compounds of the...
5633256 Certain pyrimidinyloxy-phenyl acrylates, derivatives thereof and their fungicidal use  
This invention relates to derivatives of acrylic acid useful in agriculture (especially as fungicides but also as plant growth regulators, insecticides and nematocides), to processes for preparing...
5624662 Liposoluble heterocyclic compounds useful as magnetic resonance imaging agents  
Novel complexes of paramagnetic ions and compounds bearing long acyl chains have been synthesized as magnetic resonance imaging contrast agents. These novel liposoluble contrast agents may be...
5624919 Trans platinum (IV) complexes  
Novel trans-platinum IV complexes which contain heterocycle ligands such as quinoline or isoquinoline, anionic ligands such as halide or sulfate, and which optionally may contain ammonia, or a...
5616750 Compounds and process  
A compound of formula (I): ##STR1## n which M is a transition metal ion; A is a counter-ion if required; r, s and t are independently 0 to 3 such that r+s+t is in the range of 1 to 3; R a , R...
5602076 Certain fungicides, pesticides and plant growth regulants  
This invention relates to derivatives of acrylic acid useful in agriculture (especially as fungicides but also as plant growth regulators, insecticides and nematocides), to processes for preparing...
5602236 Metal-containing steroid mimics and ligands useful in the preparation thereof  
Metal-containing steroid mimic complexes are provided. Compositions containing a metal ion incorporated into a steroid skeleton structure and ligands useful in the preparation of such compositions...
5587144 Diazine chelating agents for diagnostic imaging  
Heterocyclic chelating agents and salts thereof of formula I: ##STR1## wherein X represents a bond, O or S, or a group CHR 1 or NR 3 ; each R 1 represents H, a group OR 3 or NR 3 R 3 , or an...
5567815 Teritary amine containing antonic initiators used in preparing polymers and process for the preparation thereof  
An anionic initiator system formed by the reaction product of: (1) an organolithium compound with (2) the reaction product of (a) a secondary amine and (b) diisopropenyl benzene, initiates...
5556864 α-ω-diarylalkane compounds serotonin-2 receptor agonists  
Compounds of formula (I): ##STR1## [wherein: R 1 is aryl; R 2 is hydrogen, alkyl, alkoxy, halogen or cyano; R 3 is a group of formula --B--NR 4 R 5 , where R 4 and R 5 are independently...
5554357 Magnetic resonance imaging agents containing hydrazide moieties  
Novel magnetic resonance imaging agents comprise complexes of paramagnetic ions with hydrazide derivatives of polyaminocarboxylic acid chelating agents. These novel imaging agents are characterized...
5532373 Aluminate complex and use thereof in photopolymerizable composition and image-forming material  
An aluminate complex represented by formula (I): ##STR1## with the groups in the aluminate complex as defined in the specification, and which is capable of radical generation upon photoexcitation;...
5530139 Condensed heterocyclic compound with a sulfonic acid group and process for producing the same  
A condensed heterocyclic compound having a structure represented by formula (I): ##STR1## wherein the substituents are as defined in the specification herein.
5516940 Multifunctional ligand for use as a diagnostic or therapeutic pharmaceutical  
A compound and method of making a compound for use as a diagnostic or therapeutic pharmaceutical comprises either a phosphorous or germanium core and at least two hydrazine groups forming a ligand...
5514799 1,1-vinyl substituted nonlinear optical materials  
Nonlinear optical compounds having structures with delocalized resonance configurations corresponding to: ##STR1## wherein A 1 and A 2 are independently selected from electron withdrawing...
5512687 Compounds for inhibiting immune response  
Novel ruthenium complexes for use as immunosuppressive agents to prevent or significantly reduce graft rejection in organ and bone marrow transplantation are described. The ruthenium complexes can...
5506357 Cyanine dyes for use in optical recording medium  
A photostable cyanine dye possessing a structure represented by the general formula I or II: Φ + -L=ΨQ - (I) Φ=L-Ψ + Q - (II) wherein Φ...
5502065 Indole derivatives as 5-HT.sub.1 -like agonists  
The present invention provides compounds of the formula: ##STR1## and pharmaceutically acceptable salts thereof.
5500297 Electron acceptor compositions technical field  
Stable electron acceptor compositions are composed of a plurality of pillared metal complexes disposed on a supporting substrate. At least one Group VIII metal at zero valence is entrapped within...
5466692 Substituted pyridopyrimidines and antihypertensives  
This invention relates to substituted pyridopyrimidinones of general formula (I): ##STR1## wherein R 1 and R 2 are independently H, lower alkyl containing 1 to 6 carbon atoms, hydroxyalkyl...
5466804 Silver-carboxylate/1,2-diazine compounds as silver sources in photothermographic and thermographic elements  
Novel silver-carboxylate/1,2-diazine compounds having the formula: ##STR1## wherein: R 1 represents either an alkyl, aralkyl, cycloalkyl, or alkenyl group of up to 29 carbon atoms; or an aryl...
5451563 Silyl heterocyclic fungicides  
Fungicidal heterocyclic silyl compounds of the general formula ##STR1## have been discovered wherein Het is a six membered heterocyclic moiety; R is hydrogen or a trisubstituted silyl group; R 1 ,...
5420099 Sulfanomide herbicides  
A compound having the formula ##STR1## wherein A is CR 7 ; and R 1 through R 7 are substituents such as hydrogen, halogen, branched and straight chain hydrocarbons, cyclic hydrocarbons,...
5410052 Symmetrical and unsymmetrical polyalkylamine metal complexes for ligand extraction and generation  
Mthods and apparatus for the extraction of a ligand such as molecular oxygen from a first fluid environment and for release of a ligand such as molecular oxygen, as well as ligand carrier compounds...
5409915 Bis-platinum (IV) complexes as chemotherapeutic agents  
Novel bis(platinum) (IV) complexes coupled via diamine bridging agents are taught as well as methods for their preparation. These complexes are to be used as pharmaceutical agents, e.g., for the...
5384108 Magnetic resonance imaging agents  
Novel magnetic resonance imaging agents comprise complexes of paramagnetic ions with hydrazide derivatives of polyaminocarboxylic acid chelating agents. The complexes are represented by the formula...
5380629 Method of making and a photographic element containing bleach accelerator silver salts  
This invention provides a process for preparing a bleach accelerator silver salt dispersion by precipitating a salt of a bleach accelerating compound and a silver salt wherein the vAg is maintained...
5378708 Insecticidal, acaricidal and fungicidal aminopyrimidines  
Compounds of the formula: ##STR1## wherein A, Q and R 2 to R 5 are as defined in the text, compositions containing them and methods for using them to control insects, acarids and fungi.
5374632 2,3-dihydro- 1-(8-methyl-1,2,4-triazolo[4,3-B]-pyridazin-6-yl)-4(1H)-pyridinone  
2,3-Dihydro-1-(8-methyl-1,2,4-triazolo [4,3-b]pyridazin-6-yl)-4(1H)-pyridinone has been prepared in substantially pure form and has been found to be useful for alleviating bronchial spasms in...
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