| Patents for C12P 41 - Processes using enzymes or micro-organisms to separate optical isomers from a racemic mixture (4,784) |
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| 05/12/1999 | EP0627007B1 Process for the enzymatic oxidation of (d)-lactic acid to pyruvic acids |
| 05/11/1999 | US5902736 Using decarbamylase from comamonas, alcaligenes, rhizobium, blastobacter, sporosarcina, and bradyrhyzobium species in aqueous medium; as chemical intermediates for semisynthetic penicillin and cephalosporin |
| 05/06/1999 | WO1999022015A1 Method for preparing optically active 5-hydroxy-3- (4'-hydroxyphenyl)-1, 1,3-trimethylindane |
| 05/06/1999 | WO1999022014A1 Process for preparing (2r,3s)-3-(4-lower alkoxyphenyl)glycidic acid esters |
| 05/06/1999 | EP0912755A1 The bioresolution of n-acylazetidine-2-carboxylic acids |
| 05/06/1999 | EP0912504A1 Process to prepare taxol |
| 05/06/1999 | CA2316294A1 Method for preparing optically active 5-hydroxy-3- (4'-hydroxyphenyl)-1, 1,3-trimethylindane |
| 05/05/1999 | CN1216039A Process to prepare taxol |
| 05/04/1999 | US5900369 Adding lipase to ketoalcohol and vinyl acetate, producing optically active ester; chemical intermediate for analgesics |
| 05/04/1999 | US5900368 Process for bioreduction of bisaryl ketone to bisaryl alcohol |
| 05/04/1999 | US5900237 Catalytic antibodies which hydrolyze primary amides and methods for eliciting such antibodies |
| 05/04/1999 | CA1340524C Process for preparing optically active 2-arylpropionic acids |
| 04/28/1999 | EP0910661A1 Production of amino acids and enzymes used therefor |
| 04/28/1999 | EP0910660A1 Process for producing optically active amines |
| 04/28/1999 | CN1215434A Enzymatic process stereoselective preparation of therapeutic amides |
| 04/28/1999 | CN1215085A Enzyme method separation process for racemic ketoprofen |
| 04/27/1999 | CA1340511C Method of catalyzing chemical reactions using monoclonal antibodies |
| 04/21/1999 | EP0909821A2 Engineering enzymes having altered substrate specificity |
| 04/21/1999 | EP0909757A2 Process for producing optically active pentanetetraols |
| 04/14/1999 | EP0908522A1 A method for producing an optically active 2-alkanol |
| 04/08/1999 | WO1999016439A1 CHRONIC, BOLUS ADMINISTRATION OF D-threo METHYLPHENIDATE |
| 04/07/1999 | EP0647266B1 D-enzyme compositions and methods of their use |
| 04/07/1999 | CN1213400A Process for producing N-protected D-proline derivatives |
| 04/02/1999 | CA2246045A1 The alteration of the substrate specificity of enzymes |
| 03/31/1999 | EP0905257A1 Process for preparing optically active 2-amino-Omega-oxoalkanoic acid derivatives |
| 03/31/1999 | EP0904400A2 Enzymatic process for stereoselective preparation of therapeutic amides |
| 03/31/1999 | EP0904348A1 Process for the preparation of amino alcohols and derivatives thereof |
| 03/30/1999 | US5889190 Stability; capable of systemic infections; transcription;gene expression |
| 03/30/1999 | US5888785 Method for using hydratase or a hydratase-amidase fusion for stereospecifically bioconverting certain racemic nitriles to the corresponding enatiomeric R--or S-amide or s-carboxylic acid |
| 03/25/1999 | CA2247952A1 Process for preparing optically active 2-amino-w-oxoalkanoic acid derivatives |
| 03/23/1999 | US5885816 Catalytic antibodies enantioselectively hydrolysing amino acid ester derivatives |
| 03/23/1999 | US5885787 Process for preparing optically active amines |
| 03/16/1999 | US5883264 Subjecting racemic trans-3-phenylglycidamide compound to optical resolution using a microorganism having ability of preferentially hydrolyzing one of (2s,3r) isomer or (2r,3s) isomer thereof |
| 03/09/1999 | US5879930 Process for the enzymatic resolution of 2-amino-4-methyl-phosphinobutyric acid derivatives |
| 03/09/1999 | US5879929 Enzymatic processes for the resolution of enantiomeric mixtures of lactams useful as intermediates in the preparation of taxanes |
| 03/09/1999 | US5879903 Using gene obtained from streptomyces viridochromogenes as antibiotic resistance marker in transformed bacteria |
| 03/09/1999 | CA2038610C Process and intermediates for 2r-benzyl-chroman-6-carbaldehyde |
| 03/04/1999 | WO1999010519A1 Process for preparing enantiomerically enriched n-derivatised lactams |
| 03/04/1999 | CA2295017A1 Process for preparing enantiomerically enriched n-derivatised lactams |
| 02/25/1999 | WO1999009200A1 Method for racemic biochemical resolution of cis- and trans- pyrrolopiperidine |
| 02/25/1999 | CA2300119A1 Method for racemic biochemical resolution of cis- and trans- pyrrolopiperidine |
| 02/24/1999 | CN1209171A Process for preparing intermediates for synthesis of antifungal agents |
| 02/23/1999 | US5874613 3-(3-chlorophenyl) serine |
| 02/18/1999 | WO1999007875A1 Process for preparing (2r,3s)-3-(substituted or unsubstituted phenyl)glycidamide compounds by asymmetric amidation |
| 02/18/1999 | WO1999007873A1 METHOD FOR PRODUCING CYCLIC α-AMINO ACIDS FREE FROM ENANTIOMERS OR THEIR N-PROTECTED DERIVATIVES BY MEANS OF A D-SPECIFIC AMINOACYLASE |
| 02/18/1999 | DE19735198A1 Optical resolution of cis- or trans-pyrrolo:piperidine derivatives |
| 02/18/1999 | CA2299324A1 Method for producing cyclic .alpha.-amino acids free from enantiomers or their n-protected derivatives by means of a d-specific aminoacylase |
| 02/17/1999 | EP0896617A1 Process for producing n-protected d-proline derivatives |
| 02/10/1999 | EP0896057A2 D-aminoacylase |
| 02/09/1999 | CA2121180C Norbornane type ester hydrolase |
| 02/09/1999 | CA1340382C Process for the preparation of 2-arylpropionic acids |
| 02/03/1999 | EP0726891B1 A method for preparing tert-leucine and analogues thereof in enantiomeric form, and intermediates therein |
| 02/02/1999 | US5866785 Recombinant plant viral nucleic acids |
| 01/28/1999 | WO1999004028A1 PROCESS FOR PREPARING OPTICALLY ACTIVE α-TRIFLUOROMETHYLLACTIC ACID AND ANTIPODE ESTERS THEREOF AND METHOD OF PURIFICATION THEREOF |
| 01/28/1999 | WO1999004015A1 Microorganism and esterase obtained therefrom |
| 01/28/1999 | WO1999003471A1 Improved delivery of multiple doses of medications |
| 01/27/1999 | EP0893508A2 A new method for producing oxodicyclopentadiene |
| 01/27/1999 | EP0893422A1 Optically active alcohol and process for the production thereof |
| 01/26/1999 | US5863785 Proteins |
| 01/20/1999 | EP0892044A2 Esterase and its use for the production of optically active chroman compounds |
| 01/20/1999 | CN1205742A Movel process for preparing N-acetyl(L)-4-cyanophenylalanine Ac-(L)-phe(4-CN)-OH and N-acetyl-(L)-p-amidinophenylalantne-cyclohexylglycine-'beta'-(3-N-methylpyridinium)-alanine Ac-(L)-pAph-Chg-PalMe(3 |
| 01/19/1999 | US5861304 Enzymatic resolution of compounds using lipase or esterase from candida |
| 01/14/1999 | WO1998040390A3 Oligosaccharides and the derivatives thereof, chemo-enzymatic method for the production thereof |
| 01/13/1999 | EP0890649A1 Process for the preparation of acylated amino acid esters and resolving racemic mixtures of amino acid esters by enzyme-catalysed acylation |
| 01/12/1999 | US5858759 D-N-carbamoyl-amino acid amidohydrolase and hydantoinase |
| 01/06/1999 | CN1203949A Resolution of racemic amino esters by enzyme-catalyzed acylation |
| 01/05/1999 | CA2101945C Process for producing optically active norborneol |
| 12/30/1998 | CN1203232A 2-carboxymethyl-5-(5-fluoro cyti midine-1-yl) 1,3-oxythiapentane and its derivatives |
| 12/29/1998 | US5854062 Catalyzed enantiomeric selection of 1,2-diols and their cyclization to produce oxiranes |
| 12/23/1998 | WO1998058073A1 Enzymatic kinetic resolution of an intermediate useful for preparing substituted tricyclics |
| 12/23/1998 | EP0786012B1 Enzymatic process for the preparation of chiral-alpha-tertiary carboxylic acid esters |
| 12/16/1998 | CN1201794A Process for preparation of (1S,4R)-or(1R,4S)-4-(2-amino-6-chloro-9H-purin-9-yl)-2-cyclopentene-1-methanol |
| 12/15/1998 | US5849568 Resolution of racemic indene oxide to yield (1S,2R)-indene oxide using Diplodia gossipina |
| 12/09/1998 | EP0882737A1 Ligated d-protein and method of indentifying compounds that modulate receptor activity |
| 12/09/1998 | EP0882138A1 Stereoselective preparation of 2-substituted succinic derivatives |
| 12/09/1998 | CA2633357A1 Method for producing optically active compound |
| 12/08/1998 | US5846793 Microbial process for biotransformation to (R)-3-chloro-1,2-propanediol |
| 12/08/1998 | US5846792 Method of producing (R)-2-amino-1-phenylethanol and opticaly active phenylserine and their halogen substituted products using tyrosine decarboxylase |
| 12/08/1998 | CA2074674C Process for preparing (2s, 3r)- or (2r, 3s)-3- (alkylphenyl) glycidic acid esters using hydrolase |
| 12/08/1998 | CA2030218C Process for preparing (+) - homopilopic acid |
| 12/03/1998 | WO1998054350A1 Methods and precursors for the production of chiral vicinal aminoalcohols |
| 12/01/1998 | US5843765 Streptomyces microorganism useful for the preparation of (R)-baclofen from the racemic mixture |
| 11/26/1998 | WO1998053081A1 Enantioselective epoxide hydrolases and genes encoding these |
| 11/25/1998 | EP0879893A1 Method of producing optically active 1,2,4-butanetriol |
| 11/25/1998 | EP0879890A1 Enantioselective epoxide hydrolases and genes encoding these |
| 11/24/1998 | US5841001 Process for the preparation of optically active 2-halo-1-(substituted phenyl) ethanol |
| 11/24/1998 | US5840923 Chiral cyclopentene derivatives and their preparation |
| 11/24/1998 | US5840553 Process for preparing 1,2-propanediol derivative compounds |
| 11/24/1998 | US5840552 Using microorganisms or microbial enzyme system to produce stereospecific enantiomers; antiulcer agents |
| 11/24/1998 | CA2029705C Enzymatic resolution of endo-bicyclo¬2.2.1|heptan-2-ol and derived pharmaceutical agents |
| 11/18/1998 | EP0878548A2 Multistep process for the preparation of (1S,4R)- and/or (1R,4S)-4-(2-Amino-6-Chlor-9-H-purin-9-yl)-2-cyclopentene-1-methanol |
| 11/18/1998 | EP0877815A1 Method of producing optically active amines |
| 11/18/1998 | CN1040772C Method for obtaining gene of 2-amino-4-methylphosphinebutyric acid |
| 11/17/1998 | US5837284 Oral dosage form of dl-threo methylphenidate hydrochloride; daily dosage; includes ammonio methacrylate polymer |
| 11/12/1998 | WO1998050575A1 Method and apparatus for preparation of chiral beta amino acids |
| 11/12/1998 | CA2287171A1 Method and apparatus for preparation of chiral beta amino acids |
| 11/11/1998 | EP0876329A1 Process for the production of n-acetyl-d,l-alpha-aminocarboxylic acids |
| 11/10/1998 | US5834261 Stereospecific rearrangement biosynthesis by microorganism |
| 11/10/1998 | US5834259 Enzymatic decarboxylation of racemic mixture |
| 11/10/1998 | US5834258 Stereoselective conversion of racemic mixtures of 5-substituted hydantoins with enzyme |