Patents
Patents for C07C 227 - Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton (10,339)
06/1995
06/21/1995EP0658371A1 Process for recovering carboxylic acids from their salts
06/20/1995CA1335971C Process for the manufacture of 4-acyloxy-3-hydroxyethy l-azetidinones
06/16/1995CA2138113A1 Recovery of carboxylic acids from their salts
06/14/1995EP0657416A1 Process for recovering L-phenylalanine
06/14/1995EP0657415A1 Optically active amino alcohol derivative and process for producing the same
06/14/1995EP0504381B1 Method for obtaining acetic acid derivatives
06/14/1995EP0502167B1 Process for obtaining derivatives of acetic acid
06/14/1995CN1103640A Chemosynthesis process for threonine
06/13/1995US5424476 Mixture of amino acid, sulfuric acid and methanol is heated while adding methanol as liquid or gas to reaction mixture and methanol is distilled off
06/13/1995US5424464 p-[Bis(2-chloroethyl)amino]phenylalanine compounds
06/07/1995CN1103400A Process for synthesis of potassium phenylglycinate as intermediate of indigo
06/01/1995WO1995014656A1 Process for the preparation of 4-hydroxyphenyl glycine with enhanced optical purity
06/01/1995WO1995014655A1 Diastereoselective synthesis of hydroxyethylene dipeptide isosteres
06/01/1995DE4339994A1 Ester exchange of di:methyl succinyl-succinate
05/1995
05/31/1995CN1103063A Glutaminic acid extracting new technology
05/30/1995US5419893 Aminopolycarboxylic acids and derivatives thereof for magnetic resonance imaging
05/26/1995WO1995014002A1 Recovery of an amino acid
05/16/1995US5416113 Bronchodilators
05/11/1995WO1995012573A1 A method for preparing tert-leucine and analogues thereof in enantiomeric form, and intermediates therein
05/11/1995WO1995012570A2 Alkylation of amino acids
05/11/1995CA2173205A1 A method for preparing tert-leucine and analogues thereof in enantiomeric form, and intermediates therein
05/10/1995EP0651736A1 PROCESS FOR PREPARING ENANTIOMER-PURE -SUBSTITUTED gamma-AMINOBUTYRIC ACID DERIVATES, NEW ENANTIOMER-PURE INTERMEDIATE STAGES OF SAID PROCESS AND THEIR USE
05/10/1995CN1028361C Glutaric acid derivatives and preparations thereof
05/10/1995CN1028360C Process for preparing procaine
05/03/1995CN1102181A Technology for extracting amino acid of animal and plant
05/02/1995US5412113 Process for manufacturing L-(-)-carnitine from a waste product having opposite configuration
04/1995
04/27/1995WO1995011224A1 Process for the preparation of a substituted 2,5-diamino-3-hydroxyhexane
04/26/1995CN1028293C Process for treating amides
04/20/1995WO1995010502A1 Process for producing 3-substituted 2,4,5-trifluorobenzoic acid, and 4-amino-3,5,6-trifluorophthalic acid
04/19/1995EP0648733A2 Quinacridone synthesis and process for preparation of intermediates
04/19/1995EP0638060A4 T-butyl cascade polymers.
04/19/1995CN1028225C New process for extracting levodopa by use of water percolation-ion exchange method
04/12/1995EP0647616A1 Zinc tranexamate compound
04/12/1995EP0647615A1 Process for the preparation of 5-fluoroanthranilic acid alkyl esters and or 5-fluoroanthranilic acid
04/12/1995EP0647614A1 Process for the préparation of 5-fluoro anthranilic acid
04/12/1995EP0647613A2 Process for the preparation of highly concentrated, freely flowable, aqueous solutions of betaines
04/12/1995CN1101341A Purifying process for glycine
04/09/1995CA2117734A1 Process for the preparation of 5-fluoroanthranilic acid
04/05/1995EP0555283B1 Intermediates in the preparation of 4,5-difluoroanthranilic acid
04/04/1995US5403951 Crystalline modification of 2-dimethylaminoethyl-n-butylaminobenzoate hydrochloride, method for production thereof and pharmaceutical preparation for anaesthesia of eyes, based thereon
04/04/1995CA1335104C Diphenyl-3-azahexane and diphenyl-4-azaheptane derivatives, pharmaceutical compositions containing them and process for their preparation
03/1995
03/30/1995WO1995008462A1 Hydraulic system for anti-lock braking installations in motor vehicles
03/29/1995EP0645371A1 Process for the separation of L-leucine and L-isoleucine from aqueous solutions
03/29/1995EP0644883A1 Enniatines and enniatine derivates used to control endoparasites
03/28/1995US5401875 2-aminocarboxylic acids and their derivatives, processes for their preparation and their use as medicaments
03/28/1995US5401869 Process for the preparation of aminomethylene compounds
03/28/1995US5401846 Preparation of 5-halo-2-(1-anthraquinonylamino)-benzoic acids and 4'-halo-2,1(N)-anthraquinonyl-1',2'(N)-benzacridones
03/28/1995US5401527 Process for preparing improved hydrolyzed protein
03/28/1995CA2029785C Glutaric acid derivatives and preparations thereof
03/28/1995CA1334949C Antimicrobial agent, fr 109615 and production thereof
03/25/1995CA2132758A1 Process for the isolation of l-leucine and l-isoleucine
03/22/1995EP0643710A1 Synthesis of optically active lactones from l-aspartic acid and intermediates thereof
03/21/1995US5399765 Enantioselective preparation of optically pure albuterol
03/21/1995US5399707 Making salt of amino acid lysine, arginine or histidine with alpha-arylcarboxylic acid either by starting from second salt of anion and protonated cation of amino acid or by distilling water from amino acid-arylcarboxylic acid mixture
03/15/1995EP0643056A1 Process for the stereospecific preparation of 1,3-dioxan-4,6-dion derivatives, precursors of chiral tetramic acids derivatives
03/15/1995EP0642482A1 Separation of amino acids, amino-acid-based monomer, and process for the preparation thereof, as well as polymer material and process for the preparation thereof
03/15/1995CN1027891C 5-substituted ornithine derivatives.
03/09/1995WO1995002573A3 New method for n-cyclopropylation of aromatic amines, as well as compounds and compositions obtained
03/08/1995EP0641330A1 Gaba and l-glutamic acid analogs for antiseizure treatment
03/08/1995CN1099746A Method for extracting glutaminic acid from fermentation liquor
02/1995
02/28/1995US5393908 Storage stable intermediate
02/28/1995US5393512 Comprising rhenium linked to proteinaceous targeting moiety, ascorbic acid stabilizer; purity; treating neoplastic diseases
02/22/1995EP0639560A1 Asymmetrically substituted diaminodicarboxylic acid derivatives and process for their preparation
02/21/1995CA2127938A1 Asymmetrically substituted diaminodicarboxylic acid derivatives and a process for their preparation
02/15/1995EP0638060A1 T-butyl cascade polymers
02/14/1995CA1334423C Process for the separation of amines
02/09/1995DE4326513A1 Process for the preparation of cyclohexylamine derivatives
02/09/1995DE4326511A1 Process for the preparation of cyclohexylamine derivatives
02/09/1995DE4326273A1 Novel bicyclic anhydrides, processes for their preparation, their use as pH-labile and enzymatically induced removable masking agents, immobilising agents and transportation agents for active compounds
02/08/1995EP0637305A1 Novel cyclic amino acids and derivatives thereof
02/07/1995US5387714 Alpha-keto acid halide intermediate
02/07/1995US5387710 Ethanolamine derivatives having sympathomimetic and anti-pollakiuria activities
02/07/1995US5387696 Reductive amination of an amino acid or of an amino acid derivative with an α-keto acid or an α-keto acid derivative
02/01/1995EP0636603A1 Process for producing R-aminicarnitine and S-aminocarnitine
02/01/1995EP0365842B1 Process for converting scrap to PET 4-aminomethyl benzoic acid
02/01/1995CN1098088A Zinc-free discharging zincate process for extracting glutaminic acid
01/1995
01/26/1995WO1995002716A1 A process for the production of water-soluble salts of carboxylic and amino acids
01/26/1995WO1995002573A2 New method for n-cyclopropylation of aromatic amines, as well as compounds and compositions obtained
01/26/1995WO1995002423A1 Metal radionuclide labeled proteins for diagnosis and therapy
01/26/1995CA2167151A1 Method for n-cyclopropylation of aromatic amines, as well as compounds and compositions obtained
01/26/1995CA2165537A1 Metal radionuclide labeled proteins for diagnosis and therapy
01/25/1995EP0502916B1 Process for aftertreatment of amphoteric or zwitterionic surface-active agents
01/25/1995CN1097733A Recrystallizing technology for leucine sulfonate
01/24/1995US5384035 Recovering betaine and amino acids from molasses processing
01/18/1995EP0634393A1 Polymerisable enamines
01/12/1995WO1995001323A1 Optically active amino alcohol derivative and process for producing the same
01/12/1995DE4322065A1 Process for the preparation of primary amines from aldehydes
01/11/1995EP0633243A1 Process for the preparation of hydroxylic compounds of secundary or tertiary amines
01/10/1995US5380936 Process for preparing 4-amino-5-hexenoic acid
01/10/1995US5380935 Oxidation, hydrogenation, hydrolysis, from furfurylamine
01/10/1995US5380925 Cyclic amino acids and derivatives thereof
01/10/1995US5380867 Crystallization of salts of optically active alpha-arylcarboxy acids
01/05/1995WO1995000470A1 Novel processes for preparing (s)-4-amino-hepta-5,6-dienoic acid and intermediates thereof
01/04/1995EP0632106A1 Process for the production of 2,5-di(arylamino)-3,6- dihydroterephthalic acid dialkyl ester, and process for the production of quinacridone from said ester as intermediate
01/03/1995US5378712 Antithrombosis
12/1994
12/28/1994EP0630365A1 METHOD FOR PREPARING -g(b)-PHENYLISOSERINE AND ANALOGUES THEREOF.
12/22/1994WO1994029421A1 Use of glycine-n,n-diacetic acid derivatives as biodegradable complexing agents for alkaline earth and heavy metal ions, and method of preparing them
12/20/1994US5374765 Solvent extraction with a water insoluble organic solvent and adding a bases to bring PH to 7-8
12/20/1994CA1333612C Process for the preparation of cyclopentene, cyclopentane, and cyclohexane derivatives
12/20/1994CA1333608C Hydrogenation of halonitroaromatic compounds
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