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