Patents for C12P 41 - Processes using enzymes or micro-organisms to separate optical isomers from a racemic mixture (4,784)
03/2003
03/20/2003US20030054510 Generation of preferential enantiomers; obtain substrate, incubate with enzyme, recover product
03/20/2003US20030054507 Process for the preparation of the enant iomeric forms of 2-substituted 2- (2, 5-dioxoimidazolidin-1-yl) -acetic acid derivatives
03/19/2003EP0833938B1 Reduction of ketone groups
03/18/2003US6534523 Racemates, diastereoisomers and optical isomers of a compound of formula (I): synthesis, compositions and methods for the treatment of hepatitis C virus (HCV) infection and intermediates
03/13/2003WO2003020943A2 Enzymatic method for the enantiomeric resolution of amino acids
03/13/2003WO2003020929A1 Novel amide hydrolase gene
03/13/2003WO2003020921A2 Novel pyruvate decarboxylase, production and use thereof
03/12/2003EP1290209A1 Method for preparing an r- or s-form of alpha-substituted heterocyclic carboxylic acid and a counter enantiomeric form of alpha-substituted heterocyclic carboxylic acid ester thereto using enzyme
03/12/2003EP1290208A1 Method for optically resolving a racemic alpha-substituted heterocyclic carboxylic acid using enzyme
03/06/2003US20030044894 Sterilizing of transformed microorganism; generation nutrient broth, inoculate with microorganism, heat, express vector, recover heat resistant protein
03/05/2003EP1287155A1 Enzymatic conversion of epoxides
03/05/2003EP1082449B1 Method for stereoselective production of substituted cyclohexylcyanhydrins
03/05/2003CN1400312A Enzyme method resolution method of racemic ornidazole
03/05/2003CN1102661C Resolution of racemic amino esters by enzyme-catalyzed cylation
03/04/2003US6528686 Processes for producing optically active 2-amino-1-phenylethanol derivatives
03/04/2003US6528530 Side effect reduction; mainly the D-threo stereoisomer of a phenidate
02/2003
02/27/2003WO2003016543A2 Enzymatic resolution of t-butyl taxane derivatives
02/26/2003EP1285962A1 NADH oxidase from Lactobacillus
02/26/2003EP1036189B1 Resolution of chiral amines
02/26/2003EP1003903B1 Process for preparing enantiomerically enriched n-derivatised lactams
02/26/2003CN1399687A Method for producing optically active amines
02/25/2003US6524844 Process for preparing optically active 1-amino-4-(hydroxymethyl) cyclopent-2-ene derivatives
02/25/2003US6524837 Hydantoinase variants with improved properties and their use for the production of amino acids
02/20/2003WO2003014068A1 Protected 3.5-dihydroxy-2.2-dimethyl-valeronitriles for the synthesis of epothilones and derivatives and method for the production and use thereof
02/20/2003WO2003014063A2 Protected 3.5-dihydroxy-2.2-dimethyl-valeroamides for the synthesis of epothilone and derivatives and method for the production and use thereof
02/20/2003CA2456255A1 Protected 3.5-dihydroxy-2.2-dimethyl-valeroamides for the synthesis of epothilone and derivatives and method for the production and use thereof
02/19/2003EP1283898A1 Process for the preparation of enantiomerically enriched esters and alcohols
02/19/2003EP1283845A1 Process for the preparation of pharmaceutically acceptable salts of (ss-rs)-s-adenosyl-l-methionine
02/19/2003EP0868525B1 Process for preparing intermediates for the synthesis of antifungal agents
02/19/2003EP0795024B1 Enantioselective preparation of pharmaceutically active sulfoxides by biooxidation
02/18/2003US6521445 Stereoselective ester hydrolysis of racemic trans-3-(4-methoxyphenyl) glycidic acid ester using a hydrolase enzyme; resolution; diltiazem production
02/13/2003WO2003012126A2 Epoxide hydrolases, nucleic acids encoding them and methods for making and using them
02/13/2003WO2002033110A3 PRODUCTION OF α-HYDROXY-CARBOXYLIC ACIDS USING A COUPLED ENZYME SYSTEM
02/13/2003US20030032153 Novel (R)-2,3-butanediol dehydrogenase, methods for producing same, and methods for producing optically active alcohol using the dehydrogenase
02/13/2003US20030032150 Generation of optically active (4R)-1,3-thiazolidine-4-carboxylic acid; obtain cells, hydrolyze optically active (4R)-1,3-thiazolidine-4- carboxylic acid amide, recover (4R)-1,3- thiazolidine-4-carboxylic acid
02/13/2003CA2456229A1 Epoxide hydrolases, nucleic acids encoding them and methods for making and using them
02/12/2003EP1283200A2 Optically pure paroxetine precursors
02/11/2003US6518048 Hydrogenation a isophthalic acid derivative
02/06/2003WO2003010312A2 Nucleic acid sequences encoding enantioselective amidases
02/06/2003WO2003010311A2 Process for preparing variant polynucleotides
02/06/2003WO2003010183A2 Process for preparing variant polynucleotides
02/06/2003US20030027295 Nucleotide sequences coding enzymatic polypeptide for use in the generation insecticides
02/06/2003CA2454701A1 Nucleic acid sequences encoding enantioselective amidases
02/05/2003EP1228033A4 Preparing method of chiral ester
02/04/2003US6514742 D-aminoacylases, method for producing the same, and method for producing D-amino acids using the same
02/04/2003US6514740 Esterase gene and its use
01/2003
01/30/2003WO2003008617A1 Process for manufacturing of tagatose
01/30/2003WO2003008569A1 Novel d-stereo specific amino acid amidase, gene thereof, preparation method thereof and production method of d-amino acid by using the same
01/30/2003WO2003008386A2 Process for the preparation of the enantiomeric forms of 2-substituted 2-(2,5-dioxoimidazolidin-1-yl)-acetic acid derivatives
01/30/2003WO2003008361A1 Process for the racemization of alcohols
01/30/2003CA2453753A1 Process for the preparation of the enantiomeric forms of 2-substituted 2-(2,5-dioxoimidazolidin-1-yl)-acetic acid derivatives
01/29/2003EP1278885A1 Resolution of aminotetralins
01/29/2003EP0751224B1 Process for producing (r)-2-amino-1-phenylethanol or halogenated derivative thereof, process for producing optically active phenylserine or halogenated derivative thereof, and novel compound 3-(3-chlorophenyl)serine
01/24/2003WO2002010422A1 Method for the enantioselective reduction of 8-chloro-6-oxo-octanoic acid alkyl esters
01/24/2003CA2417119A1 Method for the enantioselective reduction of 8-chloro-6-oxo-octanoic acid alkyl esters
01/23/2003WO2003005962A2 Methods for treatment of cognitive and menopausal disorders with d-threo methylphenidate
01/23/2003US20030018048 Antidepressants; psychological disorders; Parkinson's disease
01/22/2003EP0910660B1 Process for producing optically active amines
01/21/2003US6509482 Optically active 1,4-benzodioxin-2-carboxylic acid derivatives and process for producing the same
01/16/2003WO2002053724A3 Enzymatic deprotection of amines and hydroxides
01/16/2003US20030013102 D-hydantoinase from Ochrobactrum anthropi
01/15/2003EP1275723A1 Recombinant D-hydantoin hydrolases and N-carbamyl-D-amino acid hydrolases, and DNA encoding them; uses thereof for producing D-amino acids
01/09/2003US20030008361 Process for the preparation of substituted 3-phenyl-propanoic acid esters and substituted 3-phenyl-propanoic acids
01/09/2003US20030008360 Microorganisms for use in the generation of preferential cyclopentene
01/08/2003EP1273665A1 Process for the production of optically active beta-amino alcohols
01/08/2003CN1390192A Preparation method of chiral ester
01/08/2003CN1390189A Method for preparing chiral ester
01/03/2003WO2003000909A2 Methods for the manufacture of pure single enantiomer compounds and for selecting enantioselective enzymes
01/03/2003WO2003000840A2 Nitrilases
01/03/2003CA2677781A1 Nitrilases
01/03/2003CA2450577A1 Methods for the manufacture of pure single enantiomer compounds and for selecting enantioselective enzymes
01/02/2003US20030004175 Viricides
01/02/2003US20030003552 Method for kinetic resolution of racemates of alcohols or carboxylic acid esters
01/02/2003EP1268757A1 Nitrilase from rhodococcus rhodochrous ncimb 11216
12/2002
12/26/2002US20020198234 Identifying a patient suffering from fatigue arising from oncological condition, and administering to the patient a therapeutically effective amount of D-threo-methylphenidate free of 1-threo isomer
12/25/2002CN1097093C Method for resolution of aralkyl carboxylate
12/24/2002CA2280994C O-demethylation of pharmaceutical intermediates using microorganism of the genus monosporium or thamnostylum
12/19/2002WO2002101003A2 Stereoselective preparation of cyclic l-amino acids
12/18/2002EP1265890A1 Stereoselective synthesis of nucleoside analogues
12/12/2002WO2002077212A3 D-carbamoylase from arthrobacter crystallopoietes dsm 20117
12/12/2002WO2002048322A3 Recombinant porcine liver esterases, their use and a method for the production thereof
12/11/2002CN1384880A L-pantolactone-hydrolase and method for producing D-pantolactone
12/05/2002US20020182674 Generation of preferential menthol; obtain reaction mixture, incubate with lipase, recover menthol
12/04/2002EP1262550A2 (R)-2,3-butanediol dehydrogenase, methods for producing same, and methods for producing optically active alcohol using the dehydrogenase
11/2002
11/26/2002US6486331 Substituted alkylketo compounds and process
11/26/2002US6486323 Process for producing optically active tropinonemonocarboxylic acid derivative
11/26/2002US6486177 Methods for treatment of cognitive and menopausal disorders with D-threo methylphenidate
11/21/2002WO2002092828A2 Process for the preparation of substituted carboxylic acid estersby enzymatic hydrolysis
11/21/2002US20020173012 Process for the preparation of pharmaceutically acceptable salts of (R,S)-S-adenosyl-L-methionine
11/21/2002US20020173009 Methods for producing optically active amino acids
11/20/2002EP1257659A2 Method and catalyst system for stereoselectively inverting a chiral center of a chemical compound
11/12/2002US6479291 Cytoplasmic inhibition of gene expression by viral RNA
11/06/2002CN1093880C Stabilization of carboxyl esterase
11/05/2002US6475773 Optically purity; from alkenyl ester
10/2002
10/31/2002WO2002086126A2 Enzymatic method for the enantioselective reduction of keto compounds
10/31/2002WO2002085519A2 High capacity methods for separation, purification, concentration, immobilization and synthesis of compounds and applications based thereupon
10/31/2002WO2002018560A3 Butinol i esterase
10/31/2002US20020160465 Enantioselective enzymatic aminolysis of a racemic 2-isoxazolylacetate alkyl ester
10/31/2002US20020160398 Chlorohydroxyacetone derivative and process for producing optically active chloropropanediol derivative from the same
10/31/2002DE10119274A1 Enzymatisches Verfahren zur enantioselektiven Reduktion von Ketoverbindungen Enzymatic method for the enantioselective reduction of keto compounds
1 ... 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 ... 48