Patents for C12P 41 - Processes using enzymes or micro-organisms to separate optical isomers from a racemic mixture (4,784)
10/2008
10/09/2008WO2008120554A1 Novel amidase, gene for the same, vector, transformant, and method for production of optically active carboxylic acid amide and optically active carboxylic acid by using any one of those items
10/09/2008US20080250535 Using vector transformation to express amino acid oxidase and phosphinothricin and preferential destroy or prevent gamete formation in plants
10/08/2008EP1634957B1 2-alkylcysteinamide or salt thereof, process for producing these, and use of these
10/07/2008US7431944 One-a-day, oral administration of a methylphenidate drug, e,g, Ritalin, the dosage of which form provides an immediate dose upon ingestion followed by release of more dose(s) later; particles uncoated/coated with ammonio methacrylate
10/02/2008WO2008067981A3 Whole-cell catalytic system comprising a hydantoinase, a racemase and a carbamoylase
10/01/2008EP1973867A1 Preparation of gamma-amino acids having affinity for the alpha-2-delta protein
10/01/2008CN100422319C Method for producing chiral carboxylic acids from nitriles with assistance of nitrilase or microorganisms which contain gene for nitrilase
09/2008
09/30/2008USRE40525 Hepatitis C inhibitor tri-peptides
09/24/2008CN101273137A Oxidoreductases for the stereoselective reduction of keto compounds
09/18/2008US20080227132 Hydrolase Enzymes and Their Use in Kinetic Resolution
09/17/2008EP1969129A1 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 subsequent precipitation with sulphuric acid
09/16/2008US7425530 Stereoselective preparation of cyclic L-amino acids
09/11/2008US20080220485 Aziding epichlorohydrin in presence of halohydrin dehalogenase to form alcohol
09/10/2008EP1966373A2 Novel polypeptide having esterase activity and recombinant esterase and use thereof
09/10/2008CN101260415A Preparation of two kinds of high optical activity enantiomer of ethyl 4-cyano-3-hydroxybutyrate by biological catalysis method
09/04/2008WO2008105493A1 Method for production of optically active amino acid
09/04/2008CA2679503A1 Nitrilases, nucleic acids encoding them and methods for making and using them
09/03/2008EP1964925A1 Process for production of optically active 4-hydroxy-1,2,3,4 -tetrahydroquinolines
09/03/2008EP1963516A1 Method for the enantioselective enzymatic reduction of hydroxyketo compounds
09/03/2008EP1375495B1 Method for producing a 2-azetidinone derivative
09/03/2008CN100415892C Method for the microbiological isomerisation of alpha-hydroxy carboxylic acids
09/02/2008CA2234412C Method for producing optically active compound
09/02/2008CA2204743C D-pantolactone hydrolase and gene encoding the same
08/2008
08/28/2008WO2008102720A1 Method for producing optically active 3-aminopiperidine or salt thereof
08/28/2008US20080206827 Method for producing chiral a-hydroxycarboxylic crystalline acids
08/27/2008EP1491633B1 Novel carbonyl reductase, gene encoding it and process for producing optically active alcohols using the same
08/27/2008EP1053258B8 Device for producing polymer support materials in the form of porous polymer beads
08/27/2008CN101253271A Method for production of optically active alpha-hydroxycarboxylic acid
08/27/2008CN101253262A New esterases and their use for processes for kinetic resolution of butinolesters
08/27/2008CN101250546A Lipase gene as well as engineering bacterium and lipase strain
08/27/2008CN101250492A Agrobacterium strain and method for preparing left-lateral lactone compounds thereby
08/27/2008CN100413972C Enzymatic catalyzing process for the preparation of substituted 2-amino-3-(2-amino-phenylsulfanyl)-propionic acid
08/27/2008CN100413967C (R)-2-octanol dehydrogenase, process for producing enzyme, DNA encoding enzyme and process for producing alcohol by using same
08/21/2008WO2008099730A1 Method for production of amine compound using optically active 2-(aroyloxy)propionic acid
08/21/2008WO2007072159B1 Preparation of gamma-amino acids having affinity for the alpha-2-delta protein
08/20/2008EP1959019A1 Method for enzymatic reduction of alkene derivates
08/20/2008CN101248184A Process for production of optically active (S or R)-a-amino acid or optically active (S or R)-a -amino acid ester
08/20/2008CN100412062C Synthesis of enantiomerically pure amino-substituted fused bicyclic rings
08/19/2008US7413883 Enantioselective immobilized lipase
08/13/2008EP1572363A4 High capacity methods for separation, purification, concentration, immobilization and synthesis of compounds and applications based thereupon
08/13/2008CN101240314A Enzyme catalysis alcoholysis reaction resolution method for preparing optical activity 4-Hydroxy-3-methyl-2-(2-propynyl)-2-cyclopentene-1-one
08/13/2008CN101240257A Micro-bacilus, mutagenesis method and application thereof in chiral medicament intermediate production
08/06/2008CN101235403A Chiral method for preparing D-ornithine and putrescine or derivatives thereof
08/06/2008CN100408689C Process for producing D-alanine
08/05/2008CA2142444C Enzymatic asymmetric reduction process to produce 4 h - thieno (2,3-6) thio pyrane derivatives
08/05/2008CA2137378C D-enzyme compositions and methods of their use
07/2008
07/30/2008EP1383886B1 D-hydantoinase from ochrobactrum anthropi
07/29/2008US7405070 Reacting with methanol and thionyl chloride using Savinase, Alcalase, Protease and Acylase; superior optical purity and yield
07/29/2008US7405065 Such as 1S,4R)-1-amino-4-(hydroxymethyl)-2-cyclopentene via N-acetylamino-alcohol hydrolase isolated from Rhodococcus, Gordona, Arthrobacter, Alcaligenes, Agrobacterium/Rhizobium, Bacillus, Pseudomonas or Alcaligenes/Bordetella
07/24/2008WO2007073845A8 Polypeptide having esterase activity and recombinant esterase and use thereof
07/23/2008CN101225427A Method for improving reaction rate of enzymatic ibuprofen chiral separation
07/23/2008CN100404686C Separation and isomerization method for vitamin D derivative isomer
07/22/2008US7402695 desalting step of removing a salt contained in the aqueous solution and/or formed in the neutralization step, and a step of separately collecting the optically active amino acid amide/amino acid separately from the desalted aqueous solution by a process which takes advantage of a difference in solubility
07/22/2008US7402383 Using site directed mutagenesis and polymerase chain reaction replication to produce polypeptides of preferential characteristics; directed protein evolution
07/22/2008CA2343346C Process for the preparation of 4,5-diamino shikimic acid derivatives
07/17/2008DE112006002442T5 Verfahren zur Herstellung von optisch aktivem Theaspiran A process for producing optically active Theaspiran
07/17/2008DE112006002419T5 Verfahren zur Herstellung von optisch aktivem α-Ionen A process for producing optically active α-ion
07/17/2008CA2666348A1 Polypeptides and biosynthetic pathways for the production of stereoisomers of monatin and their precursors
07/16/2008CN101220336A Saccharomycete with stereoselectivity lipase liveness and application in producing S- type betaxolol hydrochloride with biological split method thereof
07/16/2008CN100402640C Process for producing lactonase and utilization thereof
07/09/2008EP1942193A1 PROCESS FOR PRODUCTION OF OPTICALLY ACTIVE (S OR R)-a-AMINO ACID OR OPTICALLY ACTIVE (S OR R)-a -AMINO ACID ESTER
07/09/2008EP1196590B1 Process of separation of epoxide-enantiomer mixtures by epoxide-hydrolase producing microorganisms
07/09/2008CN101215534A Organic solvent resisting basified protease producing strain, gene and application thereof
07/09/2008CN100400669C Stereoselective chemoenzymatic process for preparing optically enriched phenylglycidates
07/02/2008EP1937809A1 New esterases and their use for processes for kinetic resolution of butinolesters
07/02/2008EP1601778B1 Stereoselective chemoenzymatic process for preparing optically enriched phenylglycidates
07/02/2008EP1173585B1 Epoxide hydrolases of aspergillus origin
07/01/2008US7393679 Enzyme for degrading hyaluronic acid to amino acid; genetic engineered gene
06/2008
06/26/2008WO2008074506A1 Optical resolution of a mixture of enantiomers of butynol or butenol
06/26/2008WO2008038050A3 Reduction of alpha-halo ketones
06/25/2008EP1306438B1 Novel carbonyl reductase, gene thereof and method of using the same
06/25/2008CN100396785C Resoldution method for racemic compound of nucleoside enantiomorph
06/24/2008US7390647 Converting (R)- or (S)-cyanohydrins by enzymatic hydrolysis in presence of Rhodococcus erythropolis NCIMB 11540 into conjugate of alpha -hydroxycarboxylic acids; enantiomeric purity; carboxylation
06/19/2008WO2008072764A1 Method for producing optically active (r)- or (s)-piperidine-3-carboxylic acid compound and (s)- or (r)-piperidine-3-carboxylic acid alkyl ester compound
06/19/2008WO2008071695A1 R-hnl random variants and their use for preparing optically pure, sterically hindered cyanohydrins
06/18/2008EP1835927A4 Modified beta thymosin peptides
06/11/2008EP1930441A1 Method for production of optically active -hydroxycarboxylic acid
06/11/2008CN101198704A Enzymatic transformation of a prostaglandin (bimatoprost) intermediate
06/10/2008CA2129046C Opioid diarylmethylpiperazines and piperidines
06/05/2008WO2008022627A3 Method for the production of optically active hydroxyalkyl acetates by racemate resolution of 4-hydroxy-2 ketones with the help of baeyer-villger monooxygenases
06/04/2008CN100392090C Enzyme method for detaching and preparing L-methionine-15N and D-methionine-15N
05/2008
05/29/2008US20080124784 Novel Modified S-Hydroxynitrile Lyase
05/28/2008EP0938584B1 Method of preparing (s) - or (r) -3,3,3-trifluoro-2-hydroxy-2- methylpropionic acid
05/28/2008CN101186944A Biological resolution method for amino acid
05/28/2008CN101186937A Non-homogeneous systems for the resolution of enantiomeric mixtures
05/27/2008US7378269 Racemization and deprotection of special N-protected amino acids in the acylase/racemase system for the total conversion of special N-protected racemic amino acids into optically pure amino acids
05/22/2008WO2008058951A1 Process for enzymatic reduction of alkene derivatives
05/21/2008EP1428876B1 Novel amide hydrolase gene
05/20/2008US7374926 Enantioconvergent chemoenzymatic synthesis of (R)-γ-amino-β-hydroxybutyric acid ((R)-GABOB)
05/15/2008US20080115247 Chemical Process
05/14/2008EP1733042B1 Chemo-enzymatic process for preparing escitalopram
05/14/2008CN101180402A Process for production of carboxylic acid using surfactant-modifying enzyme
05/14/2008CN101177678A Magnetic nano particle enzyme immobilization as well as preparation method and uses thereof
05/13/2008US7371901 Process for the preparation of alkynols
05/13/2008US7371555 Polypeptides having α-H-α-amino acid amide racemase activity and nucleic acids encoding the same
05/07/2008EP1020458B1 Optically active 1,4-benzodioxine-2-carboxylic acid derivatives and process for producing the same
05/02/2008WO2008051563A1 Mandelic acid derivatives and preparation thereof
05/02/2008CA2667287A1 Mandelic acid derivatives and preparation thereof
04/2008
04/30/2008EP1819825A4 Thermostable omega-transaminases
04/30/2008CN100385007C Process for preparing (R)-mandelic acid by microbial asymmetric resolution
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