Patents
Sitemap › C12 - Biochemistry; Beer; Spirits; Wine; Vinegar; Microbiology; Enzymology; Mutation or genetic engineering › C12P - Fermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture › C12P 41 - Processes using enzymes or micro-organisms to separate optical isomers from a racemic mixture
Patents for C12P 41 - Processes using enzymes or micro-organisms to separate optical isomers from a racemic mixture (4,784)
03/1988
03/22/1988US4732853 Method of making chiral epoxy alcohols
03/16/1988EP0259465A1 Process for preparing optically-active 3-acylthio-2-methylpropionic acid derivatives
03/09/1988EP0258666A2 Microbial enzymatic transformations of chrysanthemol, lavandulol and analogous alcohols to acids
03/08/1988US4729953 4-cyclopentenone ester, hydrolysis, enzyme or microorganism, rearrangements, catalysts
03/02/1988EP0257716A2 Improved process for conducting lipase enzyme hydrolysis
03/02/1988EP0257610A2 Process and intermediates for the synthesis of the enantiomers of bicyclo(4.2.0)oct-2-en-7-one and derivatives and for the synthesis of bicyclo(4.2.0)octane derivatives
03/02/1988EP0257542A2 Phosphinotricine resistance gene and its use
02/1988
02/25/1988WO1988001298A2 Enzymatic membrane method for the synthesis and separation of peptides
02/25/1988DE3628747A1 Phosphinothricin resistance gene and its use
02/09/1988CA1232560A1 L-aminoacid oxidase from yeasts of the genus cryptococcus, their preparation and use
01/1988
01/27/1988EP0254243A2 Chiral synthesis intermediates from prochiral glycerine
01/20/1988EP0253199A2 Process for the biocatalytic conversion of substrates having a poor solubility in aqueous solutions
12/1987
12/22/1987CA1230569A1 Process for producing optically active aryloxypropionic acids and derivatives thereof
12/09/1987EP0248622A2 Microbiological production of L-Threonine from homoserine
12/09/1987EP0248238A2 Process for the preparation by fermentation of L-isoleucine from D,L-alpha-hydroxybutyrate
12/01/1987CA1229810A1 Process for the preparation of the optical antipodes of tert.-leucine
11/1987
11/11/1987EP0244912A1 A process for the preparation of R and S-2,2-R1,R2-1,3-dioxolane-4-methanol
11/04/1987EP0243606A1 Process for enzymatic racemate cleavage
10/1987
10/28/1987EP0243167A1 A novel microorganism, a novel esterase and method for preparing the same
10/22/1987WO1987006269A1 Process for preparing optically active cyclopropanecarboxylic acids
10/22/1987WO1987006266A1 ENZYMATIC PROCESS FOR PREPARING OPTICALLY-ACTIVE 1,2-DIHYDRO-3H-PYRROLO[1,2a]PYRROLE-1-CARBOXYLIC ACID DERIVATIVES
10/13/1987US4699879 Process for microbial production of an optically active 3-(3,4-dihydroxyphenyl)serine
10/08/1987EP0168480A4 Process for preparing optically-active 4-amino-3-hydroxybutyric acid.
09/1987
09/30/1987EP0239122A2 Process for the enzymatic resolution of racemic 2-amino-1-alkanols
09/23/1987EP0237983A2 Process for the biotechnological preparation of L (-)-carnitine chloride
09/16/1987EP0237080A2 Process for the preparation of L(-)-carnitine chloride starting from 3,4-epoxybutyric esters
09/11/1987WO1987005329A1 Process for the separation of racemates
09/11/1987WO1987005328A1 Process for preparing optically-active 3-acylthio-2-methylpropionic acid derivatives
09/09/1987CN87100031A Process for preparation of 2-arylpropionic acids
09/08/1987CA1226540A1 2-oxocarboxylic acid reductase and its preparation
08/1987
08/26/1987EP0233656A1 Microbial esterase and process for the preparation of 2-arylpropionic acids
08/19/1987EP0232486A1 Process for reprocessing the solution which is left after the removal of the enzymes upon the enzymatic racematic splitting of an N-acetyl-DL-amino acid in the presence of an L-amino acid acylase
08/05/1987EP0231089A2 Process for producing an optically active alcohol by a biochemical method
08/05/1987EP0230599A1 (S) Alpha-cyano-3-phenoxy benzyl acetate
07/1987
07/15/1987EP0228392A1 Process for preparing optically active, organic compounds
07/01/1987EP0227078A1 Process for preparing (S)-alpha-methylarylacetic acids
06/1987
06/03/1987EP0224246A2 Process for preparing 3-chloro-1, 2-propanediol
06/02/1987US4670395 Enantioselective hydrolysis of N-acylamino acid esters using a combined enzyme system
05/1987
05/26/1987US4668628 Water solubility, reduction/physical/, lipase, candida, hydrolysis
05/20/1987EP0222561A2 Process for enzymatic separation of optical isomers of 2-aminobutanol
05/19/1987US4666840 Process for the preparation of L-α-aminoacids
04/1987
04/22/1987EP0219034A2 Process for the preparation of mesophilic microorganisms containing D-hydantoinase active at a higher temperature
04/21/1987US4659671 Phosphorylation, hydrolysis, and separation
03/1987
03/18/1987EP0214569A2 Process for the production of optically active alphaphenoxy propionic acids and their derivatives
01/1987
01/13/1987US4636470 Resolution of racemates of amino acids
01/07/1987EP0207636A2 Process for producing optically active dichloropropanol using microorganism
12/1986
12/30/1986EP0206436A2 Enzymatic production of optical isomers of 2-halopropionic acids
12/30/1986CA1215924A1 Process for producing optically active aryloxypropionic acids and derivatives thereof useful as herbicides
12/18/1986WO1986007386A1 Process for preparing optically active, organic compounds
12/16/1986US4629701 Process for preparing optically active carboxylic acids and antipode esters thereof
11/1986
11/12/1986EP0201039A2 L-aminoacylases
11/11/1986US4622301 2-Oxocarboxylic acid reductase and its preparation
11/05/1986EP0199943A2 Process for producing D-alpha-amino acids
10/1986
10/29/1986EP0199407A1 Process for racemizing an optically active N-benzylidene amino-acid amide
10/22/1986EP0198440A2 Process for preparing optically active 2-halo-1-phenyl ethanol
10/22/1986EP0198397A2 Method of producing L-phenylalanine
10/15/1986EP0197484A2 Method for producing optically active glycol derivatives
10/15/1986EP0197474A2 Process for preparing optically active indoline-2-carboxylic acid
10/08/1986EP0196625A2 Resolution of racemic mixtures of aliphatic acid esters
09/1986
09/24/1986EP0195717A2 Process for the biotechnological preparation of optically active alpha-arylalkanoic acids
09/23/1986US4613691 Preparation of amino acids from unsaturated hydantoins
09/03/1986EP0193113A1 Process for optically isomerizing optically active alpha-amino acid amides and process for producing optically active alpha-amino acids
08/1986
08/26/1986US4608340 Immobilized aminoacylase enzyme
08/26/1986CA1210354A1 PROCESS FOR THE CONTINUOUS ENZYMATIC CONVERSION OF .alpha.-HYDROXY-CARBOXYLIC ACIDS INTO CORRESPONDING OPTICALLY ACTIVE .alpha.-AMINO-CARBOXYLIC ACIDS
08/19/1986US4607013 By hydrolyzing with esterase derived from microorganism
08/06/1986EP0189878A2 Process for preparing optically active glycerol derivates
07/1986
07/22/1986US4601987 Lipase catalyed assymetric esterification
07/02/1986EP0186035A2 D-amino acid transaminase and its use
05/1986
05/28/1986EP0182517A2 Enantioselective hydrolysis of n-acylamino acid esters using a combined enzyme system
05/21/1986EP0181675A1 Process for the preparation of L-alpha-amino acid and D-alpha-amino acid amide
05/13/1986US4588694 Process for production of optically active oxazolidinone derivative
04/1986
04/30/1986EP0179603A2 Enzymes
04/23/1986EP0178553A2 Process for the production of aromatic substituted L-amino acids
04/22/1986US4584270 Process for preparing optically-active 4-amino-3-hydroxybutyric acid
04/09/1986EP0177072A2 Preparation of amino acids from unsaturated hydantoins
04/02/1986EP0176068A2 Process for the preparation of the stereoisomers of 1-amino-alkylphosphonic or 1-amino-alkylphosphinic acids
03/1986
03/26/1986EP0175312A2 Process for preparing optically active hydantoins
02/1986
02/26/1986EP0172614A1 Process for producing optically active carboxylic acid amides
02/19/1986EP0171862A2 Resolution of racemates of amino acids
02/18/1986US4571436 Hydrolysis, nitrate or sulfate esterification fllowed by second hydrolysis step
02/04/1986US4568641 Contacting enantiomer mixture with inverting enzyme
01/1986
01/22/1986EP0168480A1 Process for preparing optically-active 4-amino-3-hydroxybutyric acid
01/21/1986US4565782 Process for producing optically active aryloxypropionic acids and derivatives thereof useful as herbicides
12/1985
12/18/1985EP0164573A2 Process for the production of cyclopropane carboxylic acids
12/04/1985EP0162920A1 Method of catalyzing chemical reactions
11/1985
11/07/1985WO1985004900A1 Process for preparing l-carnitine
09/1985
09/10/1985US4540792 Aromatic aldehyde racemization catalyst
09/04/1985EP0153474A2 Process for obtaining D-2-(6-methoxy-2-naphthyl)-propionic acid
08/1985
08/28/1985EP0152977A1 Process for the preparation of L-alpha-aminoacids
08/07/1985EP0150854A2 Process for the optical separation of substitute butyramide
08/01/1985WO1985003307A1 Process for preparing optically-active 4-amino-3-hydroxybutyric acid
07/1985
07/31/1985EP0149674A1 Process for biochemical optical resulution of cyclopentenolone derivative
07/30/1985US4532214 Method for isolation of aminoacylase
07/17/1985EP0148272A1 Process for producing optically active benzyl alcohol compounds
06/1985
06/25/1985US4525454 Production of L-4-phenyl-2-aminobutanoic acid by transamination
06/06/1985WO1985002414A1 Method of catalyzing chemical reactions
05/1985
05/28/1985US4520106 Tartrate catabolism gene
05/21/1985US4518692 Production of L-amino acids by transamination
05/15/1985EP0141613A2 A process for producing an optically active 3-(3,4-dihydroxphenyl) serine and a proteced derivative thereof
05/15/1985EP0141223A1 Method for the production of an immobilized acylase and its use
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