Patents
Patents for C07C 227 - Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton (10,339)
06/1994
06/08/1994EP0600317A1 Process for the preparation of halogenated benzoic acids
06/07/1994US5319135 Process for cyclic amino acid anticonvulsant compounds
06/07/1994US5319134 Process for introducing a carboxyl group to an aromatic carboxylic acid or a derivative thereof
05/1994
05/31/1994US5316728 Chemical reactors, reservoirs and detectors with computer controllers
05/30/1994CA2110085A1 Process for the preparation of halogenated benzoic acids
05/26/1994WO1994011362A1 Furyl or thienyl carbonyl substituted taxanes and pharmaceutical compositions containing them
05/26/1994WO1994011336A1 Improved process for the synthesis of substituted 1,2,3-aminodiols
05/26/1994WO1994010997A1 Taxanes having an alkyl substituted side-chain and pharmaceutical compositions containing them
05/26/1994WO1994010996A1 Butenyl-substituted taxanes and composition
05/26/1994WO1993025543A3 Enniatines and enniatine derivates used to control endoparasites
05/26/1994CA2147859A1 Furyl or thienyl carbonyl substituted taxanes and pharmaceutical compositions containing them
05/24/1994US5315025 Fungicides
05/18/1994CN1086808A Improved synthetic method for glycine
05/17/1994US5312980 Absorption on zeolites and elution
05/17/1994US5312977 Toluene extraction of cinnamic acid from aqueous solution with L-phenylalanine, separating two solutions, concentrating water phase until solid forms while concurrently performing solid/liquid separation, recycling liquid, recovering solid
05/17/1994US5312972 Conversion of hydroxymethyl-iminodiacetic acid to phosphonomethyl-iminodiacetic acid
05/11/1994EP0596358A1 0-Phenylenediamines containing fluoroakyl(ene) groups and their use as intermediates in the preparation of benzimidazoles
05/04/1994EP0595598A1 Conversion of hydroxymethyl iminodiacetic acid to phosphonomethyl-iminodiacetic acid
05/04/1994EP0594645A1 Process for the preparation of pure isomeric forms of 3,3,5-trimethyl cyclohexanol and 3,3,5-trimethyl cyclohexanone amino acid esters
05/04/1994EP0594562A1 Derivatives of n,n-bis(2,2-dimethyl-2-carboxylethyl)amine, manufacturing procedure and use of same
05/04/1994CN1024415C Process for the preparation of benzoic acid derivatives
05/03/1994CA1329215C2 Process for the manufacture of nitrilotriacetic acid derivatives
04/1994
04/30/1994CA2109269A1 Conversion of hydroxymethyl-iminodiacetic acid to phosphonomethyl-iminodiacetic acid
04/28/1994WO1994008974A1 METHOD OF PREPARING AMINOALKYLHYDANTOINS AND AMINOALKYL-α-AMINOACIDS
04/27/1994CN1085955A Method for extracting glutamic acid using coaggulated bacteria-repulsion
04/27/1994CN1085954A Method for extraction of glutamic acid from concentrated bacteria-contained fermentation liquor
04/21/1994DE4234867A1 Verfahren zur Herstellung von Aminoalkylhydantoin und Aminoalkyl-alpha-aminosäuren A process for preparing Aminoalkylhydantoin and aminoalkyl-alpha-amino acids
04/20/1994CN1085544A Synthesis for N-(2-ethylol) amino-acid & N.N-bis (2-ethylol) amino-acid derivant by reaction of amino-acid with chlorohydrine
04/19/1994US5304671 Solid-liquid separation of suspension; no desalting; precipitation of acid salt; neutralization; hydrolysis
04/19/1994US5304670 Process for the enantioselective preparation of phenylisoserine derivatives
04/14/1994WO1994007873A1 Process for obtaining benzoxazines useful for the synthesis of ofloxacin, levofloxacin and derivatives thereof
04/14/1994WO1994007814A1 Process for separating enantiomers from a racemic mixture
04/14/1994CA2146553A1 Process for separating enantiomers from a racemic mixture
04/14/1994CA2125287A1 Process to obtain benzoxazines to be used for the synthesis of ofloxazine, levofloxazine and derivatives
04/13/1994EP0591503A1 4-[2-(2-hydroxy-2-phenylethylamino)ethyl]phenylacetic acid as beta 3-adrenoceptor-agonist
04/12/1994CA1328537C2 Metal chelate resins
04/12/1994CA1328463C 9-anthrylalkyl compounds, their preparation and their use
04/06/1994EP0590685A1 Process for optical resolution of (+)-cis-4-aminocyclopent-2-en-1-carboxylic acid derivative
04/06/1994CN1084846A Ethanolamine derivatives
04/05/1994US5300653 Sorbing with acidic cationic exchange resin converted to salt; desorbing with water; TRP, TYR and PHE
04/05/1994CA1328279C Catechol carboxylic acid derivatives
03/1994
03/31/1994WO1994006745A1 Method for making valproic acid derivatives
03/31/1994CA2122816A1 Method for making valproic acid derivatives
03/30/1994EP0589382A1 Process for the preparation of aqueous betaine solutions
03/29/1994US5298513 Serotonin antagonist
03/29/1994CA1328106C Anticholinergic compounds, pharmaceutical compositions and method of treatment
03/24/1994DE4231298A1 Prodn. of aminoacid cpds. with S configuration - from substd. di:hydro-pyrazine deriv. by bis-lactim ether method
03/23/1994EP0588674A1 Preparation of L-aspartic acid via ammonium aspartate
03/23/1994EP0588267A2 Method for further processing technical refuse from molasses industry
03/23/1994CN1084160A Process for the preparation of cyclopentene, cyclopentane and cyclohexane derivatives
03/17/1994WO1994002443A3 PROCESS FOR PREPARING ENANTIOMER-PURE β-SUBSTITUTED η-AMINOBUTYRIC ACID DERIVATES, NEW ENANTIOMER-PURE INTERMEDIATE STAGES OF SAID PROCESS AND THEIR USE
03/17/1994WO1993017020A3 Therapeutic nucleosides
03/16/1994EP0586849A2 Amino acrylates, a process for their production and their use
03/16/1994CN1083807A Process for the conversion of oximes into the corresponding amides
03/15/1994US5294737 Hydrolysis, cyclization, condensation
03/08/1994US5292942 Process for the preparation of aqueous betaine solutions
03/08/1994US5292936 Contacting an aqueous solution of an amino alcohol with an alkali metal hydroxide in the presence of a raney copper catalyst
03/08/1994CA1327595C Biologically active carboxylic acid esters
03/03/1994WO1994004484A1 Nitric esters of derivatives of the 2-(2,6-di-halophenylamino)phenylacetic acid and process for their preparation
03/03/1994DE4328967A1 Verfahren zur Herstellung von â-L-Aspartyl-L-phenylalaninmethylester Process for the preparation of beta-L-aspartyl-L-phenylalanine methyl ester
02/1994
02/22/1994US5288908 Process for the preparation of fluorine containing monomers
02/15/1994US5286894 Phenyl acrylic acid derivatives
02/15/1994US5286650 Acylation, hydrogenation of a tetramic acid; separation
02/09/1994EP0582469A2 Process for preparing taxol-type compound from beta-lactam precursors
02/09/1994EP0582351A1 Process for the crystallisation of aspartame
02/08/1994US5284973 Method of preparing an acid additional salt of delta-aminolevulinic acid
02/08/1994US5284865 Antitumor and antileukemia agents
02/08/1994US5284864 Antitumor and antileukemia agents
02/08/1994CA1326850C Method for the recovery of betaine from molasses
02/06/1994CA2101769A1 Aminoacrylates and a process for their preparation
02/03/1994WO1994002443A2 PROCESS FOR PREPARING ENANTIOMER-PURE β-SUBSTITUTED η-AMINOBUTYRIC ACID DERIVATES, NEW ENANTIOMER-PURE INTERMEDIATE STAGES OF SAID PROCESS AND THEIR USE
02/02/1994EP0581075A1 Process for preparation of lithium N-methylaminobutyrate
02/01/1994US5283253 Furyl or thienyl carbonyl substituted taxanes and pharmaceutical compositions containing them
01/1994
01/27/1994DE4224342A1 Verfahren zur Herstellung enantiomerenreiner ß-substituierter Ï-Aminobuttersäurederivate, neue enantiomerenreine Zwischenstufen dieses Verfahrens und deren Verwendung Process for the preparation of enantiomerically pure .beta.-substituted Ï Aminobuttersäurederivate new enantiomerically pure intermediate stages of this process and their use
01/26/1994EP0400011B1 New phenylethanolamines
01/25/1994US5281750 Chiral polymers for the production of excess enantiomers
01/25/1994US5281749 Adding ammonia, an amino acid, and an oligopeptide, heating
01/19/1994EP0578850A1 Process for the preparation of carboxylic acids and derivatives of them
01/18/1994US5279744 Method for purification of an amino acid using ion exchange resin
01/12/1994CN1080633A Improved synthetizing process for aminoacetic acid
01/12/1994CN1080632A Improved synthetizing process for aminoacetic acid
01/11/1994US5278166 4-amino-3-heteroaryl butyric acid compounds, compositions, and their use for treating disorders involving a dysfunction of GABAB receptors
01/06/1994WO1994000460A1 SYNTHESIS OF N-FORMYL-3,4-DI-t-BUTOXYCARBONYLOXY-6-(TRIMETHYLSTANNYL)-L-PHENYLALANINE ETHYL ESTER AND ITS REGIOSELECTIVE RADIOFLUORODESTANNYLATION TO 6-[18F]FLUORO-L-DOPA
01/06/1994WO1994000417A1 Zinc tranexamate compound
01/05/1994EP0577203A1 Process for the conversion of oximes into the corresponding amides
01/05/1994EP0576995A2 Process for the preparation of 5-halogeno-2-(1-anthraquinonylamino)benzoic acids and of 4'-halogeno-2,1(N)-anthraquinonyl-1',2'(N)-benzacridones
01/05/1994CN1080283A Preparation of 2,5-di-pheryl-amino-terephalsaure and it's dialkylester
01/05/1994CN1080282A Process for extracting amino-acid from blood of slaughtered animals
01/04/1994US5275941 Process for the preparation of N-protected dialkyl (2S,3S)-3-ethylaspartates
12/1993
12/29/1993EP0416118B1 PRODUCTION OF p-PHENYLENEDIAMINES
12/23/1993WO1993025543A2 Enniatines and enniatine derivates used to control endoparasites
12/23/1993CA2137679A1 Use of cyclic depsipeptides having 18 ring atoms for combating endoparasites, new cyclic depsipeptides having 18 ring atoms, and processes for their preparation
12/16/1993DE4317458A1 Verwendung von cyclischen Depsipeptiden mit 18 Ringatomen zur Bekämpfung von Endoparasiten, neue cyclische Depsipeptide mit 18 Ringatomen und Verfahren zu ihrer Herstellung Use of cyclic depsipeptides having 18 ring atoms for the control of endoparasites, to novel cyclic depsipeptides having 18 ring atoms, and processes for their preparation
12/15/1993EP0574028A1 Dipeptide analogs of aspertame and process to prepare them as well as a new preparation of aspertame
12/15/1993CN1023118C Process for preparation of monomer containing fluorine
12/14/1993CA1325216C 6-sulfonyl chromans
12/14/1993CA1325210C Phenolethanolamines, their use as pharmaceuticals and as growth enhancers for animals and processes for their preparation
12/07/1993US5268079 Using concentrated solution of mineral acid
12/07/1993CA1325018C Process for the preparation of benzoic acid derivatives
12/01/1993EP0571742A2 Process for separating aminoacids from aqueous solutions
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