Patents for C12P 41 - Processes using enzymes or micro-organisms to separate optical isomers from a racemic mixture (4,784)
04/2013
04/24/2013CN101974603B Method for producing D-alpha-hydroxybutyric acid
04/24/2013CN101040053B Process for production of optically active (S)- or (R)- beta-amino acids and optically active (R)- or (S)-beta -amino acid esters, and beta-amino acid 2-alkoxyethyl ester and optically active (s or r)-beta amino acid 2-alkoxyethyl ester
04/18/2013US20130095535 Enzymatic resolution of racemic (2r,s)-2-(acetylamino)-3-methoxy-n-(phenylmethyl)propanamide
04/18/2013DE10149715B4 Esterase EstA aus Rhodococcus ruber Esterase from Rhodococcus ruber EstA
04/17/2013CN103045710A Method for increasing output of 2-keto-L-gulonic acid by strengthening mutual effect of two bacteria
04/17/2013CN103045504A Microorganism catalysis prepared (2S,3R)-2-benzoyl aminomethyl-3-hydroxybutyric acid ester and bacterial strain
04/17/2013CN101974604B Method for preparing paroxetine intermediate through enzymatic resolution in ionic liquid
04/10/2013CN101935305B Method for preparing trans-4-(IR,3S)-6-chloro-3-phenylindan-1-yl)-1,2,2-trimethylpiperazine and salt thereof and use as a medicament
04/10/2013CN101535467B A levorotatory lactonohydrolase producing strain and its use for producing chiral oxyacid
04/04/2013WO2013047767A1 Novel amidase
04/03/2013CN103013945A Epoxide hydrolase mutant as well as gene and application of epoxide hydrolase mutant
04/03/2013CN102417900B ATC racemase and coding gene thereof, and application of recombinant expression protein thereof
03/2013
03/27/2013CN102994606A Process for production of optically active (S)- or (R)-beta-amino acids and optically active (R)- or (S)-beta -amino acid esters, and optically active (S)- or (R)-2-alkoxyethyl esters of beta-amino acids.
03/27/2013CN102994429A Method for preparing (S)-alpha-ethyl-2-oxyen-1-pyrrolidine acetic acid ester through microorganism catalysis and bacterial strain
03/27/2013CN102102094B Thermostable lipase, expression of coding gene of thermostable lipase and applications of thermostable lipase
03/20/2013CN102978220A Epoxide hydrolase enzyme gene and encoding enzymeand and carrier and engineering bacteria and application
03/20/2013CN101906457B Method for preparing R-adrenaline by performing biologically asymmetric transformation
03/07/2013WO2013030851A1 A novel bacterial strain of achromobacter sp. mtcc 5605 and a highly enantioselective epoxide hydrolase isolated therefrom
03/06/2013CN102952006A Processes for preparing cyclopentenones and cyclopentenones for the synthesis of benzindene prostaglandins
03/06/2013CN101875607B (2S, 8Z)-2-butanoyloxy-8-heptadecene and preparation method thereof
02/2013
02/28/2013US20130053414 Methods for treatment of cognitive and menopausal disorders with d-threo methylphenidate
02/13/2013CN102925530A L-methionine preparation method
02/13/2013CN102925529A Method for producing intermediate of levo-praziquantel and levo-praziquantel
02/13/2013CN102925528A Method for producing intermediate of levo-praziquantel and levo-praziquantel
02/13/2013CN102102093B High temperature lipase, preparation for mutants thereof and application thereof
02/06/2013CN102911996A Method for preparing levo-praziquantel
01/2013
01/31/2013WO2013014179A1 Process for producing l-carnitine from beta-lactones employing lipases
01/30/2013EP2551350A1 Process for producing L-carnitine from ß-lactones employing lipases
01/30/2013CN102154166B Pseudomonas alcaligenes, method for preparing 1-menthol by pseudomonas alcaligenes and application of pseudomonas alcaligenes
01/29/2013US8361765 Enzymic method for the enantioselective reduction of keto compounds
01/29/2013CA2677781C Nitrilases
01/24/2013WO2013011298A1 Separation process
01/24/2013WO2013011295A1 Separation process
01/24/2013DE102011107959A1 Herstellung von optisch reinem Propan-1,2-diol Preparation of optically pure propane-1,2-diol
01/24/2013CA2841930A1 Separation process
01/24/2013CA2841929A1 Separation process
01/23/2013CN102888438A Method for producing D-arginine
01/23/2013CN102417889B Rhodococcus erythropolis and application thereof in microbe-catalyzed preparation of chiral aromatic alcohol
01/23/2013CN102229894B Plectosphaerella cucumerina HL-02 and use thereof in preparation of D-lactonohydrolase
01/23/2013CN102199546B Agromyces sp. and application thereof in preparation of (S)-epichlorohydrin through hydrolysis
01/22/2013US8357524 Chemically modified mutant serine hydrolases show improved catalytic activity and chiral selectivity
01/16/2013CN101248184B Process for production of optically active (S or R)-a-amino acid or optically active (S or R)-a -amino acid ester
01/09/2013CN102864203A Preparation method for anti-hypertension medicine intermediate
01/02/2013CN102858987A Process for the reduction of cinnamaldehyde derivative employing enoate reductases
01/02/2013CN102851349A Method for preparing two types of single chiral secondary alcohol simultaneously
01/02/2013CN102851238A Sphingobacterium and method for preparing levetiracetam acid by utilizing same
01/02/2013CN102851216A Aspergillus fumigatus and its use in microbial preparation of (R,R)-3-phenylglcidol
01/02/2013CN101512005B Process for preparation of optically active N-protected 3 -aminopyrrolidine or optically active N-protected 3-aminopiperidine and the corresponding ketones by optical resolution of the racemic amine m
01/02/2013CN101302543B Method for preparing (S)-benzoglycol by microorganism unsymmetrical split
12/2012
12/26/2012CN102839141A Enterobacter capable of producing esterase, esterase and gene as well as application in preparation of taxol chiral precursor
12/26/2012CN101379193B Biocatalytic racemisation of alpha-hydroxyketones
12/19/2012CN102834515A Novel hydrolase protein
12/19/2012CN102827915A Production method of L-methionine
12/19/2012CN102827914A Production method of D-cysteine
12/18/2012US8334132 Process for production of a betaine such as carnitine
12/18/2012US8334125 Nucleic acids encoding nitrilases
12/13/2012WO2012167350A1 Method for the synthesis of porphyrin-phospholipid conjugates
12/13/2012CA2837901A1 Method for the synthesis of porphyrin-phospholipid conjugates
12/12/2012EP2531606A1 Process for the reduction of cinnamaldehyde derivative employing enoate reductases
12/12/2012CN101321875B Method for producing (R) - and (S)-4-(1-ammoniumethyl)benzoic acid methylester-sulphate from racemic 4-(1-aminoethyl)benzoic acid methylester by lipase catalysed enantoselective acylation and subseque
12/06/2012WO2012165023A1 METHOD FOR PRODUCING OPTICALLY ACTIVE α-SUBSTITUTED PROLINE
12/04/2012CA2718302C Methods for producing enantiomerically pure .alpha.-substituted carboxylic acids
11/2012
11/28/2012CN102796798A Preparation method of L-menthol
11/28/2012CN102796750A Nitrilases, nucleic acids encoding them and methods for making and using Them
11/28/2012CN102796720A (+)gamma-lactamase with racemate gamma-lactam resolution activity and its application
11/28/2012CN102796719A (+)Gamma-lactamase, its coding gene and application
11/28/2012CN102796715A Tertiary alcohol ester hydrolase, encoding gene, carrier, engineering bacteria and application thereof
11/27/2012US8318471 Nitrilases, nucleic acids encoding them and methods for making and using them
11/22/2012US20120295329 Chemically modified mutant serine hydrolases show improved catalytic activity and chiral selectivity
11/21/2012CN102784660A Supported metal palladium catalyst, its preparation and its application
11/07/2012CN102766673A Synthetic method of (R)-4-benzyloxy-2-methyl-1-butyl alcohol in dolichol biological chain
11/07/2012CN102766672A Kinetic resolution method of chiral amine
11/07/2012CN102174432B Organic-solvent-resistant high-activity lipase-producing strain and gene of lipase produced thereby as well as application thereof
11/07/2012CN101831482B Application of nanofiltration membrane in splitting D,L-amino acid by using acyltransferase or D-amino acylase
11/06/2012US8304252 Stereoselective bioconversion of aliphatic dinitriles into cyano carboxylic acids
10/2012
10/31/2012EP2518050A1 Process for production of optically active 3-substituted glutaric acid monoamide
10/31/2012CN1768149B Process for producing enantiopure beta-amino acid derivatives, and enantiopure beta-amino acid derivatives
10/31/2012CN101503729B Enzymatic resolution method of dl 1-phenylethanol compounds
10/31/2012CN101437955B Process for the preparation of optically active 5-substituted 2-oxazolidinones from racemic epoxides and cyanate employing a halohydrin dehalogenase
10/30/2012CA2445938C Hepatitis c inhibitor tri-peptides
10/24/2012CN102753702A Method for producing optically active 3-substituted glutaric acid monoamide
10/10/2012EP2508615A1 Process for production of optically active amino acid or optically active amino acid amide
10/10/2012CN1768141B Pantolactone hydrolase
10/10/2012CN102719512A Preparation method for R-2-(4- hydroxyphenoxy) propionate
10/10/2012CN102719378A Method for preparing (-) gamma-lactam by catalysis asymmetry of microorganism
10/10/2012CN102031237B Stenotrophomonas and method for preparing 1-menthol and application thereof
09/2012
09/26/2012CN101501189B Proteins with esterase activity
09/20/2012WO2012124639A1 Modified aminotransferase, gene thereof, and method for producing optically active amino compound using same
09/20/2012WO2012124513A1 Modified d-succinylase having improved d-form selectivity for n-succinyl-dl-amino acid
09/19/2012CN102686558A Process for production of optically active 3-substituted glutaric acid monoamide
09/12/2012CN102660626A Method for preparing N-methyl-D-aspartic acid by bio-resolution
09/12/2012CN102660625A Preparation method of R-o-chloromandelic acid and alcohol ester thereof
09/12/2012CN102660624A Alpha-hydroxy acid deracemisation method and strain
09/12/2012CN102660471A Production of chiral alpha-hydroxy acid and its strain by using biological catalysis method
09/12/2012CN102660470A Sinorhizobium fredii and its application in producing chiral alpha-hydroxy acid by biologically splitting alpha-hydroxy acid raceme
09/12/2012CN101921742B (+) gamma-lactamase with activity on splitting racemate gamma-lactam as well as coded gene and application thereof
09/05/2012CN101921822B Fermentation production method of S-adenosylmethionine and separation method of D-methionine
08/2012
08/28/2012CA2475485C A method of selectively producing male or female sterile plants
08/15/2012EP1805302B1 Hydrolysis of ester bonds with lipase
08/14/2012CA2449836C Stereoselective preparation of cyclic l-amino acids
1 2 3 4 5 6 7 8 9 10 11 12 13 ... 48