Patents
Sitemap › C12 - Biochemistry; Beer; Spirits; Wine; Vinegar; Microbiology; Enzymology; Mutation or genetic engineering › C12P - Fermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture › C12P 41 - Processes using enzymes or micro-organisms to separate optical isomers from a racemic mixture
Patents for C12P 41 - Processes using enzymes or micro-organisms to separate optical isomers from a racemic mixture (4,784)
08/1989
08/09/1989EP0164573B1 Process for the production of cyclopropane carboxylic acids
08/08/1989CA1258244A1 PROCESS FOR THE PREPARATION OF L-.alpha.-AMINO ACID AND D- .alpha.-AMINO ACID AMIDE
08/02/1989EP0326482A1 Process for the preparation of optically active 2-aryl-alkanoic acids
08/02/1989EP0325971A2 Process for the preparation of optically pure hydroxyarylalkanoic acids and esters
08/02/1989EP0325954A2 Process for the preparation of optically pure hydroxy-substituted benzopyrancarbonic acids and esters
07/1989
07/11/1989US4847412 Process for racemizing an optically active N-benzylidene amino-acid amide
06/1989
06/28/1989EP0321918A2 Process for the enzymatic racemate cleavage of racemic alcohols with/in vinyl esters by transesterification
06/20/1989US4840907 Cultivating pseudomonas strain in medium with racemate
06/14/1989EP0320460A2 Process for isolating the enzyme carnitinehydrolyase from strains belonging to the family enterobacteriaceae and use of the immobilized enzyme for producing L(-)-carnitine
06/07/1989EP0319471A2 Resolution process
06/07/1989EP0319344A2 Method of producing carnitine
06/07/1989EP0319100A2 Process for the preparation of substituted phenoxy propanoic acids
05/1989
05/31/1989EP0317998A2 Manufacturing method of optically-active 1,2-diols
05/24/1989EP0316374A1 Optically active compounds.
05/18/1989DE3737333A1 Process for the production of a biocatalyst and its use for racemate resolution
05/17/1989EP0315831A2 Method for the production of a bioreactor and its use in the separation of racemic forms
05/17/1989EP0315680A1 Antibody combining sites that exhibit stereoselective synthase activity, and methods using the same
05/02/1989US4827052 Intermediates for quick response liquid crystals
05/02/1989US4827013 (S) α-(cyano-3-phenoxy-benzyl acetate
04/1989
04/25/1989CA1253098A1 Method of making chiral epoxy alcohols
04/19/1989EP0311835A1 Process for producing D-(-)-tartaric acid
04/13/1989DE3724721A1 Method for the enzymatic racemate resolution of 1-acyloxy-2-cyclopenten-4-one 2,2-dimethylpropanediol ketal
04/12/1989EP0310949A2 Process for producing D-alanine
04/12/1989EP0310948A2 Process for the preparation of optically pure phenyl ring-substituted phenyl alamine derivatives
04/05/1989EP0310012A2 Process for the preparation of optically pure homophenyl alanine
03/1989
03/29/1989EP0309310A1 Enzymatic system, process for its preparation and its use, especially in the preparation of D-para-hydroxyphenyl glycine
03/23/1989WO1989002470A1 Process for synthesizing optically active compounds
03/21/1989US4814468 Optically active carbacyclin intermediates and processes for the preparation thereof
03/15/1989EP0307023A1 Process for preparation of organic chemicals
03/14/1989US4812406 Process for preparing optically active hydantoins
03/14/1989US4812403 Optically active substituted butyramide, and process for the optical separation of substituted butyramide
03/02/1989DE3737918A1 Phosphinothricin resistance gene to which is active in plants, and its use
03/01/1989EP0304706A2 Process for producing optically active compounds having pyridine skeletons
02/1989
02/23/1989WO1989001525A1 Process for preparation of organic chemicals
02/22/1989EP0304021A2 Acylamino acid racemase, Production and use thereof
02/22/1989EP0303947A2 Process for the enzymatic preparation of functional, optically active phosphor-containing acetic-acid derivatives
02/01/1989EP0301391A1 Process for the enzymatic production of L-2-amino-4-methyl-phosphinobutyric acid
02/01/1989EP0301107A1 Process for preparing d-alanine
01/1989
01/25/1989EP0300287A2 Process for the reduction of ketones
01/24/1989US4800162 Enzyme-activated membrane
01/18/1989EP0299559A1 Process for the preparation of 2-aryloxypropionic acids
01/18/1989EP0299558A1 Process for the preparation of ibuprofen
01/17/1989CA1248898A1 Production of l-amino acids by transamination
12/1988
12/01/1988WO1988009380A1 Antibody combining sites that exhibit stereoselective synthase activity, and methods using the same
11/1988
11/30/1988CN87105764A Resistance gene of 2-amino-4-methylphosphine-butyric acid and its application
11/22/1988CA1245173A1 Resolution of racemates of amino acids
11/17/1988WO1988008838A1 Optically active compounds
11/17/1988EP0290878A2 Optically active compounds and process for producing thereof
11/09/1988EP0289804A2 Process for preparing optically active mercapto compound
11/08/1988US4783404 L-aminoacid oxidase from yeasts of the genus cryptococcus, their preparation and use
11/02/1988EP0289307A2 Optically active aromatic carboxylic acid derivatives and process for producing the same
11/02/1988EP0288994A2 Process for producing optically active compounds
11/01/1988US4782020 Membrane reactor, nicotinamide-adenine-dinucleotide bound to polyoxyethylene glycol, alpha-ketocarboxylic acid, ammonium ions
10/1988
10/26/1988EP0288297A2 Optically active benzene derivatives and process for preparation thereof
10/20/1988WO1988008029A1 Electroenzymatic method for producing compounds having a controlled enantiomeric purity
10/12/1988EP0286059A1 Process for preparing (R)-3-Chloro-1, 2-Propanediol
10/06/1988WO1988007582A1 Method for resolution of stereoisomers in multiphase and extractive membrane reactors
09/1988
09/28/1988EP0284371A2 Novel optically active benzene derivatives, process for producing the same and liquid-crystalline substances containing said derivatives as active ingredient and optical switching elements
09/06/1988CA1241612A1 Process for producing an optically active 3-(3,4- dihydroxyphenyl) serine and a protected derivative thereof
08/1988
08/25/1988WO1988006188A1 Process for preparing d-alanine
08/17/1988EP0278447A2 Fermentation process for producing 2-keto-L-gulonic acid
08/10/1988EP0149674B1 Process for biochemical optical resulution of cyclopentenolone derivative
08/09/1988US4762793 Process for the biotechnological preparation of optically active alpha-arylalkanoic acids
08/04/1988DE3701623A1 Phosphinothricin-resistance gene effective in plants and its use
07/1988
07/26/1988CA1239609A1 Optically active substituted butyramide, and process for the optical separation of substituted butyramide
07/26/1988CA1239608A1 Process for preparing optically-active-4-amino-3- hydroxybutyric acid
07/26/1988CA1239607A1 PROCESS FOR THE PREPARATION OF L-.alpha.-AMINOACIDS
07/21/1988DE3700313A1 Use of a phosphinothricin-resistance gene
07/19/1988US4758518 D-2-haloalkanoic acid halidohydrolase
07/13/1988EP0274277A2 A process for the enzymatic separation of the optical isomers of racemic oxazolidinonic derivatives
07/13/1988EP0274146A1 Process for the preparation of 2-arylpropionic acids
06/1988
06/29/1988EP0272605A2 Process for the preparation of derivatives of optically active 2-hydroxy-butyric acid
06/22/1988EP0272202A1 Process for the preparation of optically active bicyclo[3.3.0]octanedione-carboxylic-acid esters
06/22/1988EP0272201A1 Stereospecific ketoreduction of bicyclooctanedione-carboxylic-acid esters by microorganisms
06/15/1988EP0271433A1 Racemate cleavage of 7-alpha-acyloxy-6-beta-hydroxy-methyl-2-oxabicyclo[3.3.0]octan-3-ones by stereospecific enzymatic acylate hydrolysis
06/15/1988EP0271432A2 Racemate cleavage of 3-acyloxy-bicyclo[3.3.0]octan-7-on-2-carboxylic-acid esters by stereospecific enzymatic or microbiological acylate hydrolysis
06/14/1988US4751182 Process for preparing L-carnitine from DL-carnitine
06/09/1988DE3740165A1 Process for the preparation of hydroxycyclopentenones
06/08/1988EP0270244A1 Optically active alcohols
06/08/1988EP0270243A1 Optically active compounds
05/1988
05/19/1988WO1988003570A1 RACEMIC SEPARATION OF 7alpha-ACYLOXY-6beta-HYDROXYMETHYL-2-OXABICYCLO[3.3.0]OCTANE-3-ONES BY STEREO-SPECIFIC ENZYMATIC ACYLATE HYDROLYSIS
05/19/1988WO1988003569A1 Process for producing optically active bicyclo[3.3.0]octandione carboxylic acid esters
05/19/1988WO1988003568A1 Stereospecific keto-reduction of bicyclooctandione-carboxylic acid esters by microorganisms
05/19/1988WO1988003567A1 Racemic dissociation of 3-acyloxilic-bicyclo[3.3.0]octane-7-one-2-carboxylic acid esters by stereospecific enzyme or microbiolog ical acylate hydrolysis
05/17/1988US4745067 Hydrolytic enzyme which acts on n-acyl-groups
05/17/1988US4745066 Method for producing optically active glycol derivatives
05/17/1988US4745061 Novel d-aminoacid transaminase and its use
05/17/1988CA1236787A1 Enantioselective hydrolysis of n-acylamino acid esters using a combined enzyme system
05/10/1988US4743547 Purity, enzyme hydrolysis
05/05/1988DE3642829A1 Phosphinothricin-resistance gene
05/04/1988EP0266217A2 Process for producing optically active compounds
05/04/1988CN87106791A Enzyme film method of synthesis and separation peptide
04/1988
04/27/1988EP0264457A1 Process for preparing optically active cyclopropanecarboxylic acids
04/27/1988EP0264429A1 ENZYMATIC PROCESS FOR PREPARING OPTICALLY-ACTIVE 1,2-DIHYDRO-3H-PYRROLO 1,2a]PYRROLE-1-CARBOXYLIC ACID DERIVATIVES
04/07/1988WO1988001298A3 Enzymatic membrane method for the synthesis and separation of peptides
03/1988
03/30/1988EP0262010A1 Process for the stereo-specific esterification of an amino acid mixture by reaction of the mixture in the esterification alcohol in the presence of papain
03/30/1988EP0261836A1 Immobilised enzyme preparation and its use
03/29/1988US4734494 Optically active 3-halo carbacephems
03/24/1988DE3727411A1 Process for the preparation of 2-indolinecarboxylic acid
03/23/1988EP0260611A2 Process for the realization of enzymatic oxidations
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