Patents for C12P 41 - Processes using enzymes or micro-organisms to separate optical isomers from a racemic mixture (4,784) |
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04/24/2008 | WO2008047819A1 Novel ester hydrolase, gene encoding the same, and use thereof |
04/24/2008 | WO2008046328A1 A levorotatory lactonohydrolase producing strain and its use for producing chiral oxyacid |
04/22/2008 | US7361490 Amplification, translation, transcription |
04/22/2008 | CA2261628C Process for preparing 3-pyrroline-2-carboxylic acid derivatives |
04/15/2008 | US7358396 can be resolved using optically active carboxylic acids or enzymes; compounds such as 1-benzyloxy-3-aminobutane |
04/15/2008 | US7358382 Two alcohol groups of 2,2-dimethyl-pentane-nitrile compound are protected with benzyl, 4-methoxybenzyl, 3,4-dimethoxybenzyl, triethylsilyl, trimethylsilyl, triisopropyl, tetrahydropyran, methyloxymethyl, allyl, trityl |
04/15/2008 | US7358073 Process for the preparation of aminoalcohol derivatives and their further conversion to (1R, 4S)-4(2-amino-6-chloro-5-formamido-4- pyrimidinyl)-amino-2-cyclopentenyl-1-methanol |
04/15/2008 | CA2337452C Process for the preparation of 4,5-diamino shikimic acid derivatives |
04/10/2008 | WO2008042389A1 Specific hydrolysis of the n-unprotected (r) -ester of (3 ) -amin0-3-arylpr0pi0nic acid esters |
04/10/2008 | WO2008041385A1 Novel alkane polyol dehydrogenase |
04/09/2008 | EP1907556A1 Oxidoreductases for the stereoselective reduction of keto compounds |
04/09/2008 | CN101157950A Method for preparing optical pure selenium - methyl selenium substituted aminothiopropionic acid by employing enzymatic resolution of racemic selenium- methyl selenium substituted aminothiopropionic a |
04/09/2008 | CN100379867C Butinol I esterase |
04/03/2008 | WO2008038050A2 Reduction of alpha-halo ketones |
04/02/2008 | CN101153301A Method for splitting and producing L-tyrosine-**N by enzymatic method |
04/02/2008 | CN101153300A Method for splitting and producing D-tyrosine-**N by enzymatic method |
04/01/2008 | US7351567 Enzymatic resolution of selective estrogen receptor modulators |
03/27/2008 | WO2008035735A1 Method for producing optically active succinimide compound |
03/26/2008 | EP1730274A4 Novel modified s-hydroxynitrile lyase |
03/20/2008 | WO2008031852A1 Method for producing optically active 2-benzyloxycyclohexylamine |
03/20/2008 | DE102006039189A1 Enantioselektive Darstellung von aliphatischen azyklischen Estern und Ketonen Enantioselective preparation of aliphatic acyclic esters and ketones |
03/19/2008 | EP1613745B1 L-carnitin dehydrogenases, their derivatives and method for producing substituted (s) alkanols |
03/19/2008 | CN101143892A 丙型肝炎三肽抑制剂 Tripeptide inhibitor of hepatitis C |
03/18/2008 | CA2151769C The preparation of enantiomerically pure lactams |
03/13/2008 | WO2008028654A1 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 mixtures employing a bacterial omega-transaminase |
03/13/2008 | WO2007112299A3 Enzymatic preparation of (s) amino acid from (r,s) amino acid or from keto acid |
03/13/2008 | CA2659300A1 Process for preparation of optically active n-protected 3-aminopyrrolidine or optically active n-protected 3-aminopiperidine and the corresponding ketones by optical resolution ofthe racemic amine mixtures employing a bacterial omega-transaminase |
03/12/2008 | EP1897956A1 Process for preparation of optically active amines by optical resolution of racemic amines employing a bacterial omega-transaminase |
03/12/2008 | EP1116795B1 Process for producing optically active pyridineethanol derivatives |
03/11/2008 | US7341859 ADH from Rhodococcus erythropolis |
03/11/2008 | CA2237297C Process for the preparation of (1s,4r)-or(1r,4s)-4-(2-amino-6-chloro-9h-purin-9-yl)-2-cyclopentene-1-methanol |
03/06/2008 | WO2007115797A3 A group of novel enantioselective microbial nitrile hydratases with broad substrate specificity |
03/05/2008 | CN101137614A Preparation of chiral propargylic alcohol and ester intermediates of himbacine analogs |
03/05/2008 | CN101134943A Bacillus alcaligenes and method for preparing single enantiomer amygdalic acid |
03/05/2008 | CN100372926C Pseudomonas putida and application thereof for mandelic acid racemate resolution |
03/04/2008 | US7338945 (1R,4S) or (1S,4R)-1-Amino-4-(hydroxymethyl)-2-cyclopentene D- or L-hydrogen tartrate intermediates |
02/28/2008 | WO2008022394A1 Reaction system |
02/27/2008 | CN101130805A Method for enzymatically splitting and preparing chiral 1-aryl-3-chlorine-1, 2-propylene glycol |
02/26/2008 | US7335502 Protein comprising an amino acid sequence having a chlorohydrin and hydroxycarboxylic ester asymmetric hydrolase activity; stereoselectivity ; can produce an optically active compound with an industrial scale by using microorganisms with the gene |
02/20/2008 | EP1889903A1 Biocatalysts with amine acylase activity |
02/14/2008 | US20080038802 Method of Making Optically Active Ester Derivatives and Their Acids From Racemic Esters |
02/13/2008 | EP1887086A1 Process for production of carboxylic acid using surfactant-modifying enzyme |
02/13/2008 | EP1885849A2 Methods for obtaining optically active glycidyl ethers and optically active vicinal diols from racemic substrates |
02/13/2008 | EP1805314B1 Process for the enantioselective opening of 3-substituted oxetan-2-ones employing lipases of candida antarctica or of burkholderia plantarrii |
02/12/2008 | US7329518 Producing polycyclic pyridineethanol derivative by causing an enzyme or enzyme source to act on polycyclic acetylpyridine derivatives |
02/12/2008 | CA2440025C Aminoketone asymmetric reductase and nucleic acid thereof |
02/12/2008 | CA2258701C Carboxamide derivatives of pyrrolidine, piperidine and hexahydroazepine for the treatment of thrombosis disorders |
02/06/2008 | EP1324980B1 Citrullimycines, a process for their production and their use as pharmaceuticals |
02/05/2008 | US7326559 Reacting an allene derivative containing two hydroxy or two ester groups in presence of esterase or lipase enzyme catalyst with an unsaturated ester when ( both are hydroxy groups) or with water when (both are ester groups); chemical intermediates for medicinal and agricultural active agents |
01/31/2008 | US20080025218 Method, Apparatus, Edge Router and System for Providing Qos Guarantee |
01/24/2008 | WO2008009710A1 Process for the production of fluorine containing alpha-hydroxy carboxylic acids |
01/23/2008 | EP1881077A1 Process for the production of fluorine containing a-hydroxy carboxylic acids |
01/23/2008 | EP1880991A1 Method of separating and collecting optically active amino acid amide |
01/23/2008 | EP1427721B1 Method for synthesis of 5-(3-pyridylmethylene)-imidazolidine-2,4-dione |
01/16/2008 | EP1673327B1 Process for the preparation of alkynols |
01/16/2008 | EP1506177B1 Process for the preparation of the enantiomeric forms of 2-substituted 2-(2,5-dioxoimidazolidin-1-yl)-acetic acid derivatives |
01/15/2008 | US7319027 Contacting chiral primary amine, omega-transaminase, and amino acceptor to convert into ketone; stereospecific; gene expression; can be used to enrich enantiomerically a mixture of chiral amines or to synthesize stereoselectively one of a pair of chiral amines |
01/15/2008 | CA2303195C Optically active 1,4-benzodioxine-2-carboxylic acid derivatives and process for producing the same |
01/03/2008 | WO2008000738A1 Proteins with esterase activity |
01/02/2008 | CN100359019C Enzymatic deprotection of amines and hydroxides |
01/01/2008 | US7314739 Lipase variants |
01/01/2008 | US7314738 Nucleotide sequences coding hydantoinase/hydrolases for producing pharmaceuticals, chemical industrial products and food; for producing the D-amino acid efficiently from the 5-substituted hydantoin |
12/27/2007 | DE102006028818A1 Verfahren zur Herstellung enantiomerenangereicherter Amine und Amide durch enzymatische Racematspaltung Process for the preparation of enantiomerically enriched amines and amides by enzymatic resolution |
12/26/2007 | EP1870475A1 Process for the preparation of optically active amines and amides employing a hydrolase and sulfonyl acetic acid ester as the acyl donor |
12/26/2007 | CN101092641A Process for the preparation of enantiomerically enriched amines and amides by enzymatic resolution |
12/19/2007 | EP1867730A1 Process for production of optically active hydroxymethyl -substituted phenylalanine |
12/19/2007 | CN100355900C Method for enzyme catalytic resolution of N substituted alpha amino acid |
12/12/2007 | CN100354422C Ester hydrolase and its gene and recombinant enzyme |
12/06/2007 | US20070281339 Methods For Obtaining Optically Active Epoxides and Vicinal Diols From Styrene Oxides |
12/06/2007 | CA2653054A1 Methods and systems for increasing production of equilibrium reactions |
12/05/2007 | EP1470220A4 Selective enzymatic esterification and solvolysis of epimeric vitamin d analog and separation of the epimers |
12/05/2007 | CN101082058A Method of resolution and racemic mixture of nucleoside enantiomers |
12/04/2007 | CA2257562C Enzymatic process for the preparation of (s)-cyanohydrins |
11/29/2007 | US20070276150 Process for the Preparation of Alkynols |
11/28/2007 | CN101080495A Chemical process |
11/28/2007 | CN100351389C Non-homogeneous systems for resolution of enantiomeric mixtures |
11/27/2007 | US7300775 Genetic engineered nucleic acid promoter |
11/22/2007 | CA2649939A1 Polypeptides and biosynthetic pathways for the production of stereoisomers of monatin and their precursors |
11/21/2007 | CN101074446A Decomposition of tert-leucine with optical activity |
11/21/2007 | CN101074228A Method for preparing medicine composition containing 1,3-oxathin cyclopentane nucleoside analogues |
11/15/2007 | WO2007129018A1 Process for dynamic kinetic resolution (dkr) of racemic compounds in (hydro) fluorocarbon solvents |
11/15/2007 | WO2007128469A1 Process for the preparation of enantiomerically enriched nitriles |
11/15/2007 | WO2003000840A3 Nitrilases |
11/14/2007 | EP1854893A1 Process for producing optically active secondary alcohol |
11/07/2007 | EP1852510A1 5-substituted hydantoin racemase, dna encoding the same, recombinant dna, transformed cell, and process for production of optically active n-carbamylamino acid or optically active amino acid |
11/07/2007 | EP1851311A2 Enzymatic enantioselective ester or amide hydrolysis or synthesis |
11/07/2007 | CN101068780A Methods for the preparation of stereoisomerically enriched amines |
11/07/2007 | CN101066970A Method for preparing medicine composition containing 1,3 oxathiolane nucleoside analogue |
11/01/2007 | WO2007096314A3 Enzymatic resolution of racemic 3-aryl-4-aminobutyric acid |
10/31/2007 | EP1848683A2 Preparation of chiral propargylic alcohol and ester intermediates of himbacine analogs |
10/31/2007 | CN101065494A Enzyme reactions in miniemulsions |
10/31/2007 | CN101063157A Method for catalyzing and splitting 2-aryl ethylformic acid antimer by using Serratieae fat enzyme |
10/31/2007 | CN101063156A Method for preparing (R)-6-hydroxy-8-chlorine octanoic acid ethyl by enzyme resolution |
10/31/2007 | CN101063153A Method for improving single batch conversion bubatrate concentration in alloisomerism preparation of styrene glycol |
10/25/2007 | WO2007118682A1 Process for the preparation of enantiomeri cally enriched beta-amino alcohols starting from glycine and an aldehyde in the presence of a threonine aldolase and a decarboxylase |
10/25/2007 | US20070249025 Enzymatic resolution of selective estrogen receptor modulators |
10/25/2007 | CA2648697A1 Process for the preparation of enantiomeri cally enriched beta-amino alcohols starting from glycine and an aldehyde in the presence of a threonine aldolase and a decarboxylase |
10/24/2007 | CN101058817A Ester hydrolase with R-isomer stereoselectivity, gene and recombination enzyme thereof |
10/23/2007 | US7285410 Using trangenic microorganism having nitrilase and amidase activities to convert (E,Z)-2-methyl-2-butenenitrile into (E and Z)-2-methyl-2-butenoic acids |
10/18/2007 | WO2007115797A2 A group of novel enantioselective microbial nitrile hydratases with broad substrate specificity |