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)
11/1998
11/05/1998WO1998049339A1 Process for producing optically active compounds
11/04/1998EP0875562A1 Novel secondary alcohol dehydrogenase, process for preparing said enzyme, and process for preparing alcohols and ketones using said enzyme
11/04/1998EP0874801A1 Process for obtaining optically active l-alpha-aminocarboxylic acids from corresponding racemic d,l-alpha-aminocarboxylic acids
11/04/1998EP0716712B1 Lipase-catalysed acylation of alcohols with diketenes
10/1998
10/29/1998WO1998048040A1 Process for producing l-allysine acetals
10/29/1998CA2256894A1 Process for producing l-allysine acetals
10/28/1998EP0874059A2 Processes for producing indane derivatives
10/28/1998EP0873290A1 Process for racemization of n-acetyl-d(l)-alpha-aminocarboxylic acids
10/28/1998CN1040423C Enzymatic resolution of endo bicycle [2.2.1] heptan-2-ol and derived pharmaceutical agents
10/27/1998US5827717 Microorganisms their use and method of producing L-α-amino acids
10/21/1998EP0872237A1 Method and compositions for the synthesis of BCH-189 and related compounds
10/20/1998US5824522 Heat resistant enzymes and genetic engineering
10/15/1998WO1998045244A1 Optically active methylsuccinic esters and process for producing the same
10/14/1998CN1195659A Purification of alpha-, bera- or gamma-substituted carboxylic acids
10/07/1998EP0869185A2 Production of optically active sphingoid compound
10/07/1998EP0868526A1 NOVEL PROCESS FOR PREPARING N-ACETYL(L)-4-CYANOPHENYLALANINE Ac-(L)-Phe(4-CN)-OH AND N-ACETYL-(L)-p-AMIDINOPHENYLALANINE-CYCLOHEXYLGLYCINE-$g(b)-(3-N-METHYLPYRIDINIUM)-ALANINE Ac-(L)-pAph-Chg-PalMe(3)-NH 2?
10/07/1998EP0868525A1 Process for preparing intermediates for the synthesis of antifungal agents
10/01/1998WO1998042687A1 Lipase catalyzed dynamic resolution of isoxazoline thioesters to isoxazoline carboxylic acids
10/01/1998CA2283234A1 Lipase catalyzed dynamic resolution of isoxazoline thioesters to isoxazoline carboxylic acids
09/1998
09/29/1998US5814639 Treating aids
09/24/1998WO1998041647A1 Process for the selective enzymatic hydroxylation of aldehydes and ketones
09/24/1998CA2284256A1 Process for the selective enzymatic hydroxylation of aldehydes and ketones
09/23/1998EP0865500A1 Process for the preparation of optically active amines
09/23/1998CN1194006A Conversion of indene to (1S)-amino-(2R)-indanol free of any stereoisomer, by combination of dioxygenase bioconversion and chemical steps
09/22/1998US5811294 Production of optically active 1,2-dihydroxyindance derivatives by asymetric assimilation
09/22/1998US5811293 Processes for producing optically active 2-amino-1-phenylethanol derivatives by reduction of the corresponding ketone
09/22/1998US5811292 Lipase esterification processes for resolution of enantiomeric mixtures of intermediates in the preparation of taxanes
09/22/1998US5811286 Nucleic acid fragments encoding stereospecific nitrile hydratase and amidase enzymes and recombinant organisms expressing those enzymes useful for the production of chiral amides and acids
09/17/1998WO1998040390A2 Oligosaccharides and the derivatives thereof, chemo-enzymatic method for the production thereof
09/17/1998DE19709787A1 Oligosaccaride und deren Derivate sowie ein chemo-enzymatisches Verfahren zu deren Herstellung Oligosaccharides and derivatives thereof and a chemo-enzymatic method for the preparation thereof
09/15/1998US5808112 Chemical intermediate for immunosuppressants and prostaglandins
09/15/1998US5808085 Stereoselective preparation of 2-substituted succinic acid derivatives
09/15/1998US5807926 Immobilized cofactor-dependent enzymes
09/09/1998EP0862646A1 Production of optically active 2-substituted tetrahydropyran-4-ones
09/09/1998EP0513200B1 Method and compositions for the synthesis of bch-189 and related compounds
09/03/1998CA2230738A1 Production of optically active sphingoid compound
08/1998
08/27/1998WO1998037225A1 Method for producing esters free of enantiomers
08/27/1998WO1998037081A1 Method for producing heteroaromatic alcohols free of enantiomers
08/27/1998CA2280833A1 Method for producing heteroaromatic alcohols free of enantiomers
08/27/1998CA2274247A1 Method for producing esters free of enantiomers
08/25/1998US5798447 Antibodies specific for D-myo-inositol 1, 4, 5-trisphosphate and the enzyme-linked immunosorbent assay of D-myo-inositol 1, 4, 5-trisphosphate
08/20/1998DE19706337A1 Verfahren zur Herstellung von enantiomerenreinen Estern A process for the preparation of enantiomerically pure esters
08/20/1998DE19706336A1 Verfahren zur Herstellung von enantiomerenreinen Alkoholen A process for the preparation of enantiomerically pure alcohols
08/19/1998EP0859060A2 Method of producing D-amino acid and amine
08/13/1998WO1998035025A1 Novel carbonyl reductase, gene that encodes the same, and method of utilizing these
08/13/1998CA2280502A1 Novel carbonyl reductase, gene coding same, and method for using such reductase and gene
08/12/1998EP0857790A1 Process for producing optically active amino compounds
08/05/1998EP0856507A1 Process for the purification of alpha-, beta- or gamma-substituted carboxylic acids by electrodialysis
07/1998
07/31/1998CA2227924A1 Streptomyces microorganism useful for the preparation of (r)-baclofen from the racemic mixture
07/30/1998CA2225290A1 The purification of .alpha.,.beta. or .gamma.-substituted carboxylic acids
07/29/1998EP0855446A2 Process for producing optically active azetidine-2-carboxylic acid derivative
07/22/1998EP0853663A1 Nucleic acid fragments encoding stereospecific nitrile hydratase and amidase enzymes and recombinant microorganisms expressing those enzymes useful for the production of chiral amides and acides
07/21/1998US5783427 Process for preparing D-amino acids
07/16/1998WO1998030711A1 Enzymatic processes for preparing (s)-cyanohydrins
07/15/1998EP0853128A1 Method for producing D-tryptophan
07/14/1998CA2025226C Process for preparing optically active 3-phenylglycidic acid esters
07/09/1998WO1998029561A1 Enzymatic resolution of benzodiazepine-acetic acid esters with a lipase
07/09/1998CA2276134A1 Enzymatic resolution of benzodiazepine-acetic acid esters with a lipase
07/07/1998US5776766 Optical resolution of chlorohydrin with microorganism
07/07/1998US5776765 Isolation of isomer from racemic mixture
06/1998
06/30/1998US5773656 Process for the preparation of optically active 1-aryl-alkylamines
06/30/1998US5773284 Reacting glycine amide with benzaldehyde
06/30/1998US5773240 Optically active α-substituted carboxylic acid derivatives and method for producing the same
06/25/1998WO1998027222A1 Method for production of d-proline derivatives
06/25/1998CA2274896A1 Method for production of d-proline derivatives
06/24/1998EP0849247A1 Optically active alcohol and process for the production thereof
06/23/1998US5770438 Process for enantioselective hydrolysis of α-(2-amino)-phenyl-benzenemethanol ester type compounds using bacillus, pseudomonas or streptomyces
06/18/1998WO1998025902A1 The preparation of enantiomerically-enriched threo-methylphenidate
06/18/1998CA2272373A1 The preparation of enantiomerically-enriched threo-methylphenidate
06/17/1998EP0848065A2 Method for improving optical purity of an amine compound
06/16/1998US5766932 Resolving a racemic mixture; chemical intermediate
06/16/1998US5766918 Enantioselective amidases and uses thereof
06/16/1998US5766893 Biotechnological process for the preparation of cyclic s-alpha-imino carboxylic acids and r-alpha-imino carboxamides
06/16/1998CA2042535C Process for the preparation of intermediates useful for the synthesis of benzothiazepines
06/12/1998CA2224358A1 Method for improving optical purity of an amine compound
06/10/1998EP0846768A2 Esterase gene and its use
06/10/1998EP0846759A1 Gene encoding protein having asymmetric hydrolase activity on 4-substituted-1,4-dihydropyridine derivatives and expression product of the same
06/09/1998US5763236 Method for producing ketone or aldehyde using an alcohol dehydrogenase of Candida Parapsilosis
06/04/1998WO1998023768A1 Process for the preparation of optically active n-benzyl-3-pyrrolidinol
06/03/1998EP0845534A2 Esterase gene and its use
06/03/1998EP0845450A2 Optically active alcohol and process for the production thereof
06/03/1998EP0845030A1 Novel glycerol phosphatase with stereo-specific activity
05/1998
05/28/1998CA2217147A1 Esterase gene and its use
05/28/1998CA2217144A1 Esterase gene and its use
05/26/1998US5756830 Process for preparing intermediates for the synthesis of antifungal agents
05/26/1998US5756800 Process for the enzymatic resolution of 2-amino-4-methyl-phosphinobutyric acid derivatives
05/26/1998US5756346 Process for the enzymatic resolution of 2-amino-4-methyl-phosphinobutyric acid derivatives
05/26/1998US5756321 Process for enzymatic acylation of alcohols with alkoxyvinyl acetates by transesterification
05/20/1998EP0842139A1 THE PREPARATION OF CHIRAL CYCLOALKANOLS SUCH AS endo-5-NORBORNEN-2-OL
05/20/1998EP0714447B1 Process for preparing (l)-2-chlorpropionic acid and its salts
05/19/1998US5753495 Process for the preparation of (L)-2-chloropropionic acid and its salts using lipase from pseudomonas
05/14/1998WO1998020152A1 Process for producing optically active 3-quinuclidinol derivatives
05/12/1998US5750764 Synthesis and resolution of propionic acid derivatives
05/12/1998US5750382 Treating a trans-2-alkoxycyclohexanol with a hydrolase capable of esterifying stereospecifically the r-isomer in the presence of an acyl donor; no hydrolysis; separation from ester
05/07/1998WO1998018954A1 Process and composition for preparing d-aspartic acid
05/07/1998CA2269094A1 Process and composition for preparing d-aspartic acid
04/1998
04/30/1998WO1998017788A1 Novel secondary alcohol dehydrogenase, process for preparing said enzyme, and process for preparing alcohols and ketones using said enzyme
04/28/1998CA1339841C Synthesis of stereospecific enzyme by non-chromosomal transformation a host
04/23/1998WO1998016631A1 Immobilized cofactor-dependent enzymes
04/23/1998WO1998002556A3 Screening for and use of an esterase for a stereospecific resolution
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