Patents
Patents for C07C 227 - Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton (10,339)
07/1990
07/14/1990WO1990008129A1 Derivatives of n,n-bis(2,2-dimethyl-2-carboxylethyl)amine, manufacturing procedure and use of same
07/14/1990CA2023783A1 Derivatives of n,n-bis(2,2-dimethyl-2-carboxylethyl)amine, manufacturing procedure and use of same
07/10/1990CA1271361A1 Protein hydrolysate
07/04/1990EP0376636A2 Primary hindered aminoacids for promoted acid gas scrubbing process
07/04/1990EP0376230A2 Preparation and isolation of mineral acid salt of an amino methyl ester
07/04/1990EP0376215A2 alpha-Keto acid/amino acid salt compounds and a process for their production
07/04/1990EP0376184A2 Process for preparing DL-serine and process for separation and purification of the same
07/04/1990EP0376121A2 Process for the preparation of 6-aminocaproic acid esters
07/04/1990EP0375791A1 Phenyl ethanol amines, their use as pharmaceutical compounds and as performance stimulants in animals, as well as processes for their preparation
07/03/1990US4939290 Benzoic acid derivatives
07/03/1990US4939133 N-substituted-2-hydroxy-α-oxo-benzeneacetamides and pharmaceutical compositions having activity as modulators of the arachidonic acid cascade
06/1990
06/27/1990EP0375554A2 Process for producing optically active threo-dihydroxyphenylserine derivatives
06/27/1990EP0375417A2 Process for preparing optically active carnitine ester
06/26/1990US4937359 Process for preparing (S)-4-methyl-β-butyrolactone
06/26/1990US4937330 Conversion of cephalosporin hydrohalide salt to alkali metal salt
06/26/1990US4936999 Contacting water immiscible quaternary ammonium extractant with concentrated acid solution and precipitating
06/26/1990CA1270831A1 Halogeno biphenyl primary alcohols derivatives useful in the therapeutical treatment of atherosclerosis
06/20/1990EP0373583A2 Recovery of L-phenylalanine from its racemic mixtures
06/19/1990US4935444 Esterified ephedrine drivatives with prolonged antiulcer activity
06/14/1990WO1990006299A1 New phenylethanolamines
06/13/1990EP0373151A2 Process for producing 2-(4,4'-bis-(dimethylamino)-benzhydryl)-5-dimethyl-aminobenzoic acid
06/13/1990CN1042906A Process for preparing quinolone carboxylic acid intermediates
06/12/1990US4933490 Process for the preparation of L(-)carnitine hydrochloride and of L(-)carnitine inner salt
06/12/1990US4933482 Hydrogenation of beta-keto acid in presence of ruthenium phosphine complex
06/12/1990US4933367 Carboxylic acid derivatives, processes for the preparation thereof, the use thereof, and pharmaceutical compositions which contain these compounds
06/12/1990US4933001 Phenylalkenylcarboxylic acids and their esters
06/06/1990CN1042703A New process for extracting levodopa by use of water percolation-ion exchange method
05/1990
05/30/1990EP0370686A2 A process for preparing quinolone carboxylic acid intermediates
05/29/1990US4929755 Process for making an optically active mixture of an N-acyl-amino acid or ester containing at least two chiral centers
05/29/1990US4929737 Forming aminohaloaromatic compounds
05/29/1990CA1269665A1 Amine dealkylation process
05/23/1990CN1042347A 2-aminocarboxylic acids and their derivatives, processes for their preparation and their use as medicaments
05/23/1990CN1008055B Pesticide composition with acrylic derivs. as active component and process for preparing same, and use thereof
05/23/1990CA2003446A1 Process for preparing quinolone carboxylic acid intermediates
05/22/1990US4927541 Process for refining amino acids
05/22/1990US4927507 Antibiotic intermediate
05/17/1990WO1990005130A1 2-aminocarboxylic acid derivatives, their manufacture and use as drugs
05/15/1990US4925978 Method of preparation of optically active alpha-amino-acids
05/15/1990US4925969 Process for preparing ethyl-alpha-amino-gamma-oxo-gamma-phenybutyrate derivatives
05/09/1990EP0367205A1 2-Aminocarboxylic acids and their derivatives, methods for their preparation and their use as pharmaceutical compositions
05/08/1990US4923889 Cardiovascular disorders
05/02/1990EP0366149A1 Improved process for the synthesis of 3-chloro-2,4,5-trifluorobenzoic acid
05/02/1990EP0365842A2 Process for converting scrap to PET 4-aminomethyl benzoic acid
05/01/1990US4922011 Method for purifying aspartic acid
05/01/1990US4922001 Chiral synthesis units from prochiral glycerol
05/01/1990US4921875 Use of amino-substituted benzoic acids as remedies for diarrhea, and medicaments based on these compounds
05/01/1990CA1268456A1 Orally active heparin multiplets
04/1990
04/25/1990EP0365495A2 9-Anthrylalkyl compounds, their preparation and their use
04/18/1990EP0363756A2 Method for the preparation of 2,5-diarylamino-terephthalic acids
04/18/1990CN1041756A One-pass centrifugal separating technology and apparatus for recovering glutamic acid from waste liquid of sodium glutamate
04/18/1990CN1041358A Monomer containing fluorine, process for preparing them and use
04/17/1990CA1267903C Trifluoromethanesulfonates and a process for their preparation
04/11/1990EP0362264A1 New aralkyl esters and processes for their preparation
04/04/1990EP0361597A1 Process for preparing improved hydrolysed protein
04/04/1990EP0361596A1 Process for preparing improved hydrolysed protein
04/04/1990EP0361595A1 Process for preparing improved hydrolysed protein
04/04/1990EP0361486A1 Fluorinated monomers, process for their preparation and their use
04/03/1990US4914214 Condensing esterified 2-carboxyperhydroindole with specific isomer of n-(1-carbethoxybutyl)-alanine, deesterifying, forming salt
04/03/1990US4914196 Chiral reactants for aldehydes, ketones, n-substituted imines
04/03/1990CA1267421A1 Benzoyl alanines compounds and their use as corrosion inhibitors
03/1990
03/28/1990EP0360351A1 Process for the preparation of cyclopentene, cyclopentane and cyclohexane derivatives
03/28/1990EP0360222A1 Process for preparing gamma-butyrobetaine
03/28/1990EP0225378B1 Herbicidal 2-(substituted-phenyl)-3-amino-2-cyclopentenone derivatives
03/27/1990US4912228 In solution of an water insoluble amine extractant at acidic ph
03/22/1990DE3929631A1 Cycloalkyl-substituierte 4-aminophenylderivate und verfahren zu ihrer herstellung Cycloalkyl-substituted 4-aminophenyl derivatives and process for their preparation
03/20/1990US4910336 Process for separating phenylalanine from salts
03/20/1990US4910208 Method of inhibiting leukotriene biosynthesis by oral administration of p-aminophenols or derivatives thereof
03/20/1990CA1266950A1 Method and apparatus for multipolymer synthesis systems
03/15/1990DE3929660A1 Cycloalkyl-substituierte 4-aminophenylderivate und verfahren zu ihrer herstellung Cycloalkyl-substituted 4-aminophenyl derivatives and process for their preparation
03/14/1990EP0358091A2 Derivative of 2-cyclohexylpropanal and perfumery composition comprising the same
03/13/1990US4908470 Reacting 4-amino-3,5-dibromobenzoic acid with an alkali methacrylate in the presence of copper oxide
03/13/1990CA1266683A1 Alkylation of aromatic amines in the presence of acidic, crystalline molecular sieves
03/07/1990EP0357565A2 New process for the synthesis of the levodopa
03/07/1990EP0356972A2 Method for the preparation of beta-alanine-diacetic acid or its alkali metal or ammonium salts
03/07/1990EP0356947A2 Method for the preparation of the trisodium salt of isoserine-N,N-diacetic acid
03/06/1990US4907278 Integrated processing unit, particularly for connected speech recognition systems
03/06/1990US4906773 Process for preparing optically active threonine
03/06/1990US4906662 Phenol derivatives, their preparation and the use thereof
02/1990
02/28/1990EP0355860A1 A bifunctional metal chelating agent and a precursor compound
02/28/1990EP0355598A2 Beta-phenoxyethyl amines and their use in the preparation of dyes
02/27/1990US4904816 Process for the manufacture of anilinofumarate via chloromaleate or chlorofumarate or mixtures thereof
02/21/1990CN1039844A Method of extracting amino acid composition liquid from silkworm chrysalis
02/21/1990CN1039799A Preparation and application for 2-(2'-nitrobenzoyl)-1, 3-cyclohe-xanediones
02/20/1990US4902817 Process for the synthesis of alpha n alkylated amino acids and esters thereof, application to the synthesis of carboxyalkyl dipeptides
02/20/1990US4902795 Intermediates for 1,8-bridged 4-quinolone-3-carboxylic acid antibacterials
02/20/1990US4902719 Ornithine deficiency treatment
02/08/1990WO1990001023A1 Method for solubilizing keratinaceous materials using alkaline hydrogen peroxide solution
02/07/1990EP0353732A2 Fluoro-olefins, method for their preparation and their use
02/07/1990EP0353728A2 Improved process of extraction of amino acids from aqueous solutions thereof
02/07/1990EP0353580A2 Process for the preparation of concentrated fluid aqueous betaine solutions
02/07/1990EP0353350A1 A process for preparing N-substituted amino acid esters
02/06/1990US4898877 Circulation-active cyclohexenecarboxylates
02/06/1990CA1265521A1 Chelators whose affinity for calcium is decreased by illumination
01/1990
01/30/1990US4897408 Water-soluble lysine salts of (T)2-(4-Fluorophenyl)-alpha-methyl-5-benzoxazole acetic acid and their preparation process
01/30/1990US4897255 Metal radionuclide labeled proteins for diagnosis and therapy
01/24/1990CN1039015A Extraction process of compound amino acid from earthworm
01/23/1990US4895979 Process for preparing carnitine
01/17/1990EP0351382A2 Process for the synthesis of optically active aminoacids
01/16/1990US4894476 Gabapentin monohydrate and a process for producing the same
01/10/1990CN1006381B Process for producing n-substituted alpha-amino acids
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