Matches 151 - 200 out of 385 < 1 2 3 4 5 6 7 8 >
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5646327 Method for preparing hydroxylamines using vinylic compounds without base neutralization and reaction mixture produced thereby  
Substituted hydroxylamines useful in photographic processing solution can be prepared by reacting a hydroxylamine with a vinylic compound having an electron withdrawing substituent in a suitable...
5644024 Tetrahydronaphthalene derivatives  
The present invention is concerned with tetrahydronaphthalene derivatives which are mimics of domains of peptides or proteins which can interact with other proteins or with DNA or RNA through...
5637759 Metal-ligating amino acid derivatives for MRI and for peptide synthesis  
Novel organic compounds and metal ion-containing amino acid chelates are described which are useful in solid phase synthesis of polypeptides and as magnetic resonance imaging (MRI) enhancing...
5633407 Process for preparing substituted aromatic amines  
A process for preparing substituted aromatic azo compounds is provided which comprises contacting a nucleophilic compound and an azo containing compound in the presence of a suitable solvent...
5631402 Process for preparing aminobenzoic acid derivatives  
An aminobenzoic acid derivative represented by the following general formulas (I), (I-2) or (I-3), or a pharmacologically acceptable salt thereof, which exhibits a serotonin antagonism and an...
5629424 Stereoselective adsorptive bubble process  
Process for enriching the concentration of an enantiomer (or a diastereomer) in a mixture of optically active isomers. The process includes preparing a solution containing the mixture of the...
5627210 Branched combinatorial libraries  
Combinatorial libraries comprising compounds of the formula ##STR1## where R 1 , R 2 , and R 3 are each independently groups of the formula --C(O)R, where R is an organic radical; x, y, and...
5610183 Phenylglycine derivatives pharmaceutical compositions containing them and their use in therapy  
Compounds of Formula (I) and pharmaceutically acceptable salts thereof: ##STR1## wherein Q is optionally substituted phenyl or naphthyl; X and Y are each H, C 1 -6 alkyl, C 2 -6 alkenyl or X and...
5589501 Pharmaceutical compounds  
A pharmaceutical compound of the formula ##STR1## in which m is 0, 1 or 2, n and q are each 0 or 1 to 5, and p is 0 or 1, X is --CO 2 H or tetrazolyl, Y is --CHCH--, and Z is (i)...
5550291 Process for key intermediates for HIV protease inhibitors  
Disclosed herein is a stereospecific synthesis amenable to the large scale preparation of a hydrochloric acid addition salt of a chlorohydrin of the formula ##STR1## wherein R 1 and R 2 are amino...
5543550 Process for the preparation of 5-fluoroanthranilic alkyl esters and/or 5-fluoroanthranilic acid  
The present invention relates to a process for the preparation of 5-fluoroanthranilic alkyl esters and/or 5-fluoroanthranilic acid, which comprises dissolving a 3-fluorobenzoic alkyl ester in...
5530014 Cyclohexadiene derivatives  
The cyclohexadiene derivatives are prepared by reaction of cyclohexanones with amines and subsequent dehydration. The compounds are suitable as active compounds in medicaments on account of their...
5527955 Method of treating depression and tri-substituted amines therefor  
The invention concerns a method for treating depression or senile dementia using a compound which acts selectively as an agonist of gamma aminobutyric acid (GABA) at GABA autoreceptors with the...
5525631 Compositions of the ethyl ester of L-DOPA  
A composition which comprises a pharmaceutically acceptable carrier and an active ingredient, such active ingredient comprising L-DOPA ethyl ester derived from its crystaline form in an amount...
5523472 Process for the preparation of 5-fluoroanthranilic acid  
The present invention relates to a process for the preparation of 5-fluoroanthranilic acid, which comprises reacting 5-fluoro-2-bromotoluene in the presence of a catalyst and of an acidic solvent,...
5519043 Fluorenyl derivatives  
The compound having the formula: ##STR1## and a method of treating an inflammatory condition comprising administering to an animal in need of such treatment an effective amount of at least one...
5516911 Fluorescent intracellular calcium indicators  
A new class of calcium-specific, NMR-active and/or fluorescent indicators having a high dissociation constant is described. Methods of determining intracellular calcium ion concentration using 19 ...
5510317 N-acyl-N-phenylmaleamic acid derivatives, methods of producing same, and herbicides containing same as effective components  
The invention provides N-acyl-N-phenylmaleamic acid derivatives represented by the general formula I!, a method of producing the same, and a herbicide containing the same as the effective...
5482942 (3,4-dioxocyclobuten-1-yl)chromene, indene, and dihydronaphthalenone derivatives as smooth muscle relaxants  
This invention relates to novel 4-(3,4-dioxocyclobuten-1-yl)chromenes and dihydronaphthalenones and 3-(3,4-dioxocyclobuten-1-yl)indenes and salts thereof having smooth muscle relaxing activity, to...
5472973 Fluorenyl derivatives as anti-inflammatory agents  
The compound having the formula: ##STR1## and a method of treating an inflammatory condition comprising administering to an animal in need of such treatment an effective amount of at least one...
5472730 γ-aminobutyric acid-enriched food material and method for producing γ-aminobutyric acid  
Disclosed are γ-aminobutyric acid-enriched food materials to be obtained by dipping at least one material chosen from among germs of rice, rice bran containing germs, whole rice, germs of wheat...
5464821 Small peptidic compounds useful for the treatment of glaucoma  
Small peptidic compounds containing a small and branched chained amino acid residue, pharmaceutical compositions containing at least one such compound active against glaucoma and intraocular...
5463080 2,4,6-triiodo-1,3-benzenedicarboxylic acid compounds used as radiolabelling reagents  
Compounds, useful as radiolabeling reagents, including a trihalogenated phenyl ring and having the formula ##STR1## wherein X 1 , X 2 and X 3 are halogens, one of which may be a radiohalogen, are...
5436372 Solid state displacement elements  
The invention is intended to provide novel solid state displacement elements that have an extent of displacement. The solid state displacement element has an intercalation compound in which a polar...
5403952 Substituted cyclic derivatives as novel antidegenerative agents  
Novel substituted cyclic compounds of Formula I are found to be useful inhibitors of matrix metalloendoproteinase-mediated diseases including osteoarthritis, rheumatoid arthritis, septic arthritis,...
5374772 Substituted benzoic acids, inhibitors of phospholipases A.sub.2  
The invention relates to compounds of the formula ##STR1## R is hydrogen, lower alkyl, --(CH 2 ) 2 N(R 3 ) 2 or --CH 2 OOCR 3 wherein R 3 is lower alkyl; R 1 is CH 3 (CH 2 ) n --,...
5364876 Omega-[2-(alkyl)phenyl]-2-aminoalkanoic acids as antagonists of excitatory amino acid receptors  
The present invention pertains to antagonists of excitatory amino acid receptors, their method of preparation as well as compositions pertaining to them, which have the general formula: ##STR1##...
5354885 Process for preparing ethyl ester of L-DOPA  
A composition which comprises a pharmaceutically acceptable carrier and an active ingredient, such active ingredient comprising L-DOPA ethyl ester in an amount which is at least 97%, by weight, of...
5334758 Process for preparing optically active carboxylic acid  
A process for preparing an optically active carboxylic acid is disclosed, comprising asymmetric hydrogenation of an α,β-unsaturated carboxylic acid using an alcohol as a hydrogen donor in the...
5324747 N-substituted anilines, inhibitors of phospholipases A.sub.2  
Compounds of the formula ##STR1## wherein R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , n, m, o, p and q are as hereinafter set forth, and, when R 2 is hydrogen, pharmaceutically acceptable...
5298647 Aromatic compounds of amide structure derived from aminobenzoic acids, hydroxy-benzoic acids, cinnamic acids, urocanic acids and benzimidazoles, absorbing UVB and/or UVA  
Aromatic compounds absorbing UVB and/or UVA, substituted with an amide function, selected from the group consisting of ##STR1## whose variable substituents are as defined in the specification, e.g....
5296602 Multisubstituted 1-hydroxy-9-acridones with anticancer activity  
The present invention provides a compound having the structure: ##STR1## The present invention also provides a method for synthesizing a compound having the above-identified structure as well as...
5264543 Hyperbranched aramid  
Hyperbranched aramids, made from an aromatic aminodicarboxylic acid or an aromatic aminodicarboxylic acid, and optionally an aromatic aminocarboxylic acid are disclosed. The hyperbranched aramids...
5252737 Process for preparing N-aliphatic substituted p-phenylenediamines  
A process for preparing N-aliphatic substituted p-phenylenediamine intermediates is provided which comprises contacting an aliphatic amine or substituted aliphatic amine derivative and nitrobenzene...
5237089 Nitro or amino substituted phenylalkyl or phenylalkenyl carboxylic acid derivatives  
N-substituted 3,4,5,6-tetrahydrophthalimides and their intermediates of the general formula I ##STR1## where A is --NO 2 , --NH 2 or ##STR2## corresponding to the compounds Ia, Ib and Ic, B is...
5225557 Process for making optically active naphtho[1,2-b]thiazepin-4(5H)-ones  
A process for preparing optically active naphtho[1.2-b][1,4]thiazepin-4(5H)-ones comprising resolution of rac-β-[(2-amino-1-naphthalenyl)thio]-α-hydroxy-4-methoxybe nzene propanoic acid and...
5210289 Carboxy containing monomers  
Certain ethylenically unsaturated polymerizable monomers having a reactive carboxy group are useful for preparing homo- and copolymers for a variety of uses, including diagnostic assays. The...
5206418 Amino-tetrahydronaphthalene derivatives  
The invention relates to aminotetrahydronaphthalene derivatives which are intermediates for the preparation of sulfonylaminotetrahydronaphthalenes.
5200526 Syntheses of optically pure α-amino acids from 3-amino-2-oxetanone salts  
A process for the preparation of optically pure α-amino acids comprising the nucleophilic ring-opening of 3-amino-2-oxetanone salts. N-Protected serine β-lactones are deprotected to form...
5196576 Chelating compounds and their use  
A chelating compound of the formula: (R-NHOC-CH 2 ) n --A--(CH 2 COOH) m (I) wherein R is an aromatic ring-containing organic group, A is a residue of an aminopolyacetic acid excluding...
5169987 Squarlylium compound  
A squarylium compound represented by formula (III) ##STR1## wherein R 4 represents a hydrogen atom, a methyl group, or a fluorine atom.
5118815 Method for crystallization of amino acids  
A method for crystallization of an amino acid characterized by allowing a surfactant and/or an alcohol to exist upon crystallization.
5110986 Synthesis of N-t-alkyl-1,2-diacylhydrazines  
This application relates to a process for preparing a N-t-alkyl-1,2-diacylhydrazine by reacting a 1,3,4-oxadiazole with a tertiary alkyl cation precursor in the presence of a strong acid catalyst....
5100994 Hydrophilic polycarbodiimide polymer, pulp-like material consisting of said hydrophilic polycarbodiimide polymer, and process for producing said polymer or said material  
The present invention provides a hydrophilic polycarbodiimide polymer which has not been provided hitherto, a pulp-like material consisting of said polycarbodiimide polymer, and a process for...
5084592 Azulenesquaric acid dyes, azulene intermediates therefor, and optical recording medium  
Azulenesquaric acid dyes of the formula ##STR1## where R 1 , R 2 , R 3 , R 4 and R 5 each have specified meanings are prepared from azulene derivatives of the formula ##STR2## where R 1 , R 2 , R...
5004817 Polyoxyalkylene-ether derivatives having organic acid end-groups, their alkyl ethers and their alkali metal and alkaline-earth metal salts  
Compounds having the formula (I): ##STR1## wherein: M is an alkali or alkaline-earth metal or a C 1 -C 18 alkyl group; X is a group selected from --CH 2 --, --CO--, --CH 2 --CO--, --CH(CH 3...
4956474 Intermediates of cephalosporin compounds  
The present invention relates to novel cephalosporin derivatives, processes for preparing thereof, compositions for preventing and/or treating infectious diseases which comprise the novel...
4935503 Azidochlorination and diazidization of glycals  
The invention describes a one-pot single step procedure for the azidochlorination or diazidization of glycals, including glycal elements of carbohydrates. Compounds such as...
4933367 Carboxylic acid derivatives, processes for the preparation thereof, the use thereof, and pharmaceutical compositions which contain these compounds  
This invention relates to carboxylic acid derivatives and their use thereof. The compounds are useful in treatment of various diseases such as diabetes, prediabetic conditions, adipositas ailments...
4927958 Styryl ketones  
Styryl ketones of the formula ##STR1## wherein R 8 and R 9 are independently hydrogen or lower alkyl or together represent an additional carbon-carbon bond and R 10 is a group of the formula...
Matches 151 - 200 out of 385 < 1 2 3 4 5 6 7 8 >