Patents for C12P 41 - Processes using enzymes or micro-organisms to separate optical isomers from a racemic mixture (4,784)
05/1995
05/09/1995US5413922 With a microorganism, bacteria, yeast
05/03/1995EP0650525A1 D-n-carbamoyl-amino acid amidohydrolase and hydantoinase
05/02/1995US5412110 Enzymatic process to separate racemic mixtures of delta valerolactones
05/02/1995US5411877 Optically active compounding having plural chiral centers and production thereof
04/1995
04/20/1995WO1995010604A1 Enzyme and its use in preparing (s)-pipecolic acid
04/18/1995US5407828 Hydrolysis; separation of non-hydrolyzed enantiomorph
04/18/1995US5407815 R-(-)-1-(5-hydroxyhexyl)-3-methyl-7-propylxanthine, a process for its preparation and pharmaceuticals containing this compound
04/12/1995EP0647266A1 D-enzyme compositions and methods of their use
04/12/1995CN1101378A Enzymatic process for the stereoselective preparation of a hetero-bicyclic alcohol enantiomer
04/11/1995US5405763 A polynucleotides from ARTHROBACTER capable geneic engineering to produce a hydrolases enzyme for hydrolysing a racemic ester of chrysanthemic acid to form a trans acid
04/11/1995CA1335185C Method for the preparation of optically active bicyclo[3.3.0]octanedionecarboxylic acid esters
04/04/1995US5403937 Process for preparing intermediates for the synthesis of antifungal agents
04/04/1995US5403739 Method for esterification of (S)-citronellol using lipase in supercritical carbon dioxide
03/1995
03/30/1995WO1995008636A1 Racemate cleavage of primary and secondary amines by enzyme-catalysed acylation
03/29/1995EP0645458A1 Chemoenzymatic process for production of S fenpropimorph
03/29/1995EP0645453A2 Alcohol de hydrogenase, DNA encoding it, preparation and method of preparing optically active alcohols
03/29/1995EP0644949A1 A process for the preparation of s-(+)-2-(3-benzoylphenyl)propionic acid by enzyme-catalysed enantioselective hydrolysis
03/29/1995EP0644940A1 PROCESS FOR ENZYMATIC PREPARATION OF -i(S)-6-METHOXY-A-METHYL-2-MAPHTHALENEACETIC ACID
03/29/1995EP0353248B1 Method for resolution of stereoisomers in multiphase and extractive membrane reactors
03/28/1995US5401660 Culture of bacteria to produce optically active 1,3-butanediol
03/22/1995EP0643958A2 Use in perfumery of optically active isomers of (E)-3,3-dimethyl-5-(2,2,3-trimethyl-3-cyclopenten-1-yl-)-4-penten-2-ol
03/16/1995WO1995007359A1 A process for carrying out enzymatically catalyzed conversions of organic compounds
03/16/1995DE4330678A1 Process for the preparation of cyclic N-carbamoyl-D-amino acids
03/15/1995CN1100144A Enzymatic processes for the resolution of enantiomeric mixtures of compounds useful as intermediates in the preparation of taxanes
03/15/1995CN1100143A Enzymatic piperidine-2-alkyl-carboxlate and application of products therefrom
03/09/1995WO1995006746A1 Lipase-catalysed acylation of alcohols with diketenes
03/09/1995CA2169301A1 Lipase-catalyzed acylation of alcohols with diketenes
03/07/1995US5395766 Optically active trans-2-aryl-1-cyclohexanol derivatives and a process for producing the compounds
03/02/1995WO1995006130A1 Process for preparing (l)-2-chlorpropionic acid and its salts
03/02/1995DE4329293A1 Lipase katalysierte Acylierung von Alkoholen mit Diketenen Lipase-catalyzed acylation of alcohols with diketenes
03/02/1995DE4329069A1 Optically active C-analogous glycerides, phospholipids, PAF antagonists and enzyme-assisted process for their preparation
03/02/1995CA2169659A1 Process for preparing (l)-2-chlorpropionic acid and its salts
02/1995
02/28/1995US5393912 For antibody induction, affinity purification and histo-chemical probing; tool to study intercellular calcium ion mobilization
02/28/1995US5393664 Using a culture product
02/22/1995EP0639180A1 Process for stereospecific hydrolysis of piperidinedione derivatives
02/21/1995US5391495 Using enzyme or microorganism catalyst
02/21/1995US5391494 Process for selectively producing optically active 1-derivatized-2-diol using lipase CES and triglyceride
02/15/1995EP0638077A1 Chiral cyclopentene derivatives and their preparation
02/02/1995WO1995003421A1 Process for the enzymatic preparation of optically active n-substituted-3-pyrrolidinol
01/1995
01/31/1995US5385829 Method of assaying for acyl-L-carnitines and short-chain acyl-carnitines
01/24/1995US5384419 Preparation process for 20-keto-21(S) hydroxy steroid compounds and intermediates
01/24/1995CA1334082C Process for the preparation of r-2,2-r-,r--1,3- dioxolane-4-methanol
01/18/1995EP0634492A1 Enzymatic processes for the resolution of enantiomeric mixtures of compounds useful as intermediates in the preparation of taxanes
01/15/1995CA2127972A1 Enzymatic processes for the resolution of enantiomeric mixtures of compounds useful as intermediates in the preparation of taxanes
01/11/1995EP0633319A1 Process for producing optically active 1,3-butanediol
01/03/1995US5378627 Process for preparing (2S,3R)-3-alkyl-phenylglycidic acid esters using lipase
12/1994
12/28/1994EP0630402A1 New ketonic ester reductases, its preparation and use for enzymatic redox reactions.
12/21/1994EP0629702A2 Enzymatic preparation of chiral epoxide or hydroxy compounds by stereoselective epoxidation or hydroxylation
12/20/1994US5374768 Starting materials for synthesis of natural products
12/20/1994US5374766 Esterification of the cooresponding alcohol with an anhydride in presence of lipase
12/19/1994CA2124733A1 Enzymatic preparation of chiral epoxide or hydroxy compounds by steroselective epoxidation or hydroxylation
12/14/1994EP0628637A1 PROCESS FOR PRODUCING D-$g(a)-AMINO ACID
12/13/1994US5372940 D-pantolactone hydrolase and process for the preparation thereof
12/07/1994EP0627396A1 Cyclohexene diol derivatives
12/07/1994EP0627007A1 Process for the enzymatic oxidation of (d)-2-hydroxycarboxylic acids to 2-ketonic carboxylic acids
12/07/1994CN1096054A Novel process
11/1994
11/23/1994EP0625571A2 Microorganisms, their use and method of production of L-alpha-amino acids
11/23/1994EP0625205A1 Chiral synthesis with modified enzymes
11/23/1994EP0625150A1 1,3-oxathiolane nucleoside analogues
11/10/1994WO1994025452A1 Process for preparing intermediates for the synthesis of antifungal agents
11/09/1994EP0623678A2 Norbornane type ester hydrolase
11/09/1994EP0623588A1 Improved process for manufacturing L-(-)-carnitine from waste products having opposite configuration
11/09/1994EP0623580A1 2-ceto-3-methyl-4-hydroxy-valeric acid
11/09/1994CN1026498C Enzymatic membrane method for the synthesis and separation of peptides
11/07/1994CA2121972A1 Substituted valeric acid
11/01/1994US5360731 Bacteria capable of stereospecifically hydrolyzing R-(-)-2,2-dimethylcyclopropanecarboxamide
11/01/1994US5360724 Process for the preparation of chiral 1-aryl-2-aminopropanes
10/1994
10/27/1994WO1994024305A1 Chiral synthesis of tertiary alcohols with a hydrolase
10/27/1994CA2160015A1 Chiral synthesis of tertiary alcohols with a hydrolase
10/18/1994US5356812 Processes for production of optically active 3-phenyl-1,3-propanediol by asymmetric assimilation
10/04/1994US5352801 Process for the production of optically-active 4-amino-3-hydroxycarboxylic acids
09/1994
09/28/1994EP0617130A2 Method for the resolution of racemic mixtures
09/25/1994CA2119670A1 Chiral resolution of an intermediate in diltiazem synthesis using lipase
09/21/1994EP0615520A1 Optically active lactones
09/20/1994US5348973 Resolution of hydroxychroman-2-carboxylic acid esters by enantiomeric hydrolysis
09/20/1994US5348882 Method of producing enantiomerically pure, open-chain N-alkyl-L or D-amino acids using comamonas testosteroni
09/20/1994US5348870 Using hydrolase to effect ester interchange and resolution, then alcoholysis or hydrolysis and dehydration with cyclization and crystallization
09/15/1994WO1994020635A1 Enantioselective hydrolysis of ketoprofen esters by beauveria bassiana and enzymes derived therefrom
09/15/1994WO1994020634A1 Esterase and its use in biotransformation
09/15/1994WO1994020633A1 Arylalkanoic acid resolution
09/15/1994DE4308061A1 New de-acetylase specific for L-N-acetyl-phosphinothricin
09/15/1994DE4307771A1 Enzymatic racemate resolution of asymmetric alkynols
09/15/1994CA2157799A1 Enantioselective hydrolysis of ketoprofen esters by beauveria bassiana and enzymes derived therefrom
09/15/1994CA2152779A1 Esterase and its use in biotransformation
09/14/1994EP0614986A1 Enzymatic racemate cleavage of 2-pipéridine alkylcarboxylates and their use as synthesis intermediates
09/14/1994EP0474861B1 Alcohol-ester separation by reaction with acetate
09/13/1994US5346828 Stereoisomeric enrichment of 2-amino-3-hydroxy-3-phenylpropionic acids using d-threonine aldolase
09/13/1994US5346816 Enzymatic process for the enantioselective preparation of optically active cyanohydrins
09/04/1994CA2116833A1 Enzymatic splitting of alkyl piperidine-2-carboxylates and use of compounds obtained as synthesis intermediates
09/01/1994WO1994019309A1 A novel method for the preparation of optically active compounds as well as novel end products
08/1994
08/31/1994CN1091472A Stereoselective reduction of ketones
08/30/1994US5342780 Reacting with polyoxyethylene glycol and porcine pancreatic lipase which selectively transesterifies one enantiomer, separating
08/30/1994US5342767 Lactobacillus kefir alcohol dehydrogenase
08/24/1994EP0611826A2 Processes for production of optically active epoxides
08/24/1994EP0611825A1 Enzymatic cleavage of racemates of asymmetric alkynols
08/24/1994EP0334966B1 Process for synthesizing optically active compounds
08/20/1994CA2115969A1 Enzymatic racemate resolution of asymmetric alcohols
08/17/1994EP0301107B1 Process for preparing d-alanine
08/16/1994US5338484 Optically active benzene derivatives, process for producing the same and liquid-crystalline substances containing said derivatives as active ingredient and optical switching elements
08/10/1994EP0610049A2 Process for producing optically active alpha-hydroxycarboxylic acid having phenyl group
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