| Patents for C07B 57 - Separation of optically-active organic compounds (3,737) |
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| 07/17/2001 | US6262278 Reacting water and mixture of stereoisomers of chiral cyclic substrate in the presence of non-racemic chiral catalyst to produce by kinetic resolution stereoisomerically enriched cyclic substrate or stereoisomerically enriched hydrolyzate |
| 07/11/2001 | CN1068305C Process for preparing S(-)-2-(4-isobutyl-phenyl) with antimer of purity more than 90% |
| 07/05/2001 | DE19962543A1 Chromatographische Enantiomerentrennung von bicyclischen Lactamen Chromatographic separation of the enantiomers of bicyclic lactams |
| 06/27/2001 | EP1110950A1 Chromatographic separation of enantiomers of bicyclic lactames |
| 06/20/2001 | CN1300296A Process for producing chitin derivative |
| 06/14/2001 | WO2001042190A1 Method for the stereoselective synthesis of cyclic amino acids |
| 06/14/2001 | CA2392761A1 Method for the stereoselective synthesis of cyclic amino acids |
| 06/13/2001 | EP1105371A2 Novel aryl sulphonamide amino acid esters and analogues |
| 06/13/2001 | EP0874801B1 Process for obtaining optically active l-alpha-aminocarboxylic acids from corresponding racemic d,l-alpha-aminocarboxylic acids |
| 06/13/2001 | CN1298862A Prepn. of (+)-trans-chrysanthemic acid |
| 06/07/2001 | WO2001040159A1 New process |
| 06/07/2001 | WO2001039884A2 Chiral catalysts for asymmetric acylation and related transformations |
| 06/06/2001 | EP1104414A1 Enantioselective synthesis |
| 06/06/2001 | EP1104395A1 Stereoselective ring opening reactions |
| 06/05/2001 | US6242000 Analgesic, antiinflammatory agent |
| 05/31/2001 | WO2001038292A2 Method for producing optically active amines |
| 05/31/2001 | DE19956786A1 New optically active aminoalcohol and diamine derivatives useful as intermediates, e.g. for pharmaceuticals and plant protectants |
| 05/29/2001 | US6239316 Optically active secondary alcohol and process for the production thereof |
| 05/25/2001 | WO2000032555A8 Derivatives of (+)-venlafaxine and methods of preparing and using the same |
| 05/22/2001 | US6235927 Process for the separation of a mixture of enantiomers |
| 05/22/2001 | US6235908 Preparation of tartrate |
| 05/17/2001 | WO2001034599A1 Protease inhibitors |
| 05/17/2001 | WO2001034563A1 Resolution of intermediates in the synthesis of substantially pure bicalutamide |
| 05/17/2001 | WO2001034160A1 Protease inhibitors |
| 05/17/2001 | WO2001034159A1 Protease inhibitors |
| 05/17/2001 | CA2389100A1 Resolution of intermediates in the synthesis of substantially pure bicalutamide |
| 05/16/2001 | EP1098871A1 $g(a)-AMINO ACID PHENYL ESTER DERIVATIVES |
| 05/10/2001 | WO2001032691A1 Hcv ns3 protease inhibitors |
| 05/10/2001 | CA2389543A1 Hcv ns3 protease inhibitors |
| 05/09/2001 | EP1097116A1 Asymmetric metathesis reactions involving achiral and meso substrates |
| 05/03/2001 | WO2001001569A3 Process for preparing (-)-(1s,4r) n-protected 4-amino-2-cyclopentene-1-carboxylate esters |
| 05/02/2001 | EP0906255B1 Process for the production of enantiomerically-pure azetidine-2-carboxylic acid |
| 05/02/2001 | CN1293646A Method for separating diphosphine diastereiosomers |
| 05/01/2001 | US6225463 Reacting s-amine compound with an aldehyde; reacting with acyl chloride in presence of triethylamine to form diastereoisomeric beta-lactams; separation; treating with cerium ammonium nitrate and acetonitrile and water |
| 04/18/2001 | EP1091954A1 Process for producing (8- chloro-3,10- dibromo-6,11- dihydro- 5h-benzo 5,6]cyclohepta 1,2-b]pyridin-11-yl)- 1-piperidine |
| 04/18/2001 | EP1091932A1 Chiral stationary phases for enantiomers separation and their preparation |
| 04/17/2001 | US6217769 Separating agent for optical isomers and process for producing the same |
| 04/10/2001 | CA2059263C Composition comprising the (-) enantiomer of cis-4-amino-1-(2-hydromethyl-1,3-oxathiolan-5-yl)-(1h)-pyrimidine-2-one or an enriched composition thereof, and its uses as a pharmaceutical agent |
| 04/05/2001 | WO2001023088A1 Catalyst for asymmetric transfer hydrogenation |
| 04/05/2001 | WO2000050378A3 Synthesis of nitroalcohol diastereomers |
| 03/28/2001 | CN1289263A Separation of substance mixtures using polysaccharides |
| 03/22/2001 | WO2001019782A1 Cyclopropane carboxylic acid amides, the production and the use thereof |
| 03/22/2001 | WO2001019761A2 Asymmetric 1,4-reductions of and 1,4-additions to enoates and related systems |
| 03/21/2001 | CN1063422C Production of 2-halo-1-(substituted phenyl) ethanol |
| 03/13/2001 | CA2030866C Process for the preparation of an intermediate of diltiazem |
| 03/08/2001 | WO2001016090A1 Enantiomerically-enriched compounds having photocleavable bond(s) and methods related thereto |
| 03/08/2001 | CA2384191A1 Enantiomerically-enriched compounds having photocleavable bond(s) and methods related thereto |
| 03/06/2001 | US6197828 Derivatives of (+)-venlafaxine and methods of preparing and using the same |
| 03/01/2001 | WO2001014327A1 3-oxopropane-1-sulphonic acids and sulphonates |
| 03/01/2001 | WO2001014288A1 Optically active isocyanurate and optical resolver comprising derivative of the same |
| 02/28/2001 | EP1077979A1 Method for producing (s,s)-benzyl-2,8-diazabicyclo 4.3.0]nonane |
| 02/14/2001 | EP0664782B2 Enantiomeric resolution |
| 02/07/2001 | EP1073618A1 Process for the production of enantiomerically pure or optically enriched sertraline-tetralone using continuous chromatography |
| 02/07/2001 | EP1073613A2 Main-group metal-based asymmetric catalysts and applications thereof |
| 01/31/2001 | EP1071676A1 Kinetic resolution of olefins |
| 01/31/2001 | EP1071499A1 Separation of substance mixtures using polysaccharides |
| 01/30/2001 | US6180789 Method for obtaining pure enantiomers of a pyridazinone derivative |
| 01/30/2001 | US6180639 Therapy for human immunodeficiency virus |
| 01/23/2001 | US6177591 Optically active phosphine oxide carboxylic acid and method of producing the same |
| 01/10/2001 | EP1067127A1 Novel beta-diketone compounds, beta-diketone compounds coordinated to metal, method of organic synthesis with these, and catalyst |
| 01/09/2001 | US6172259 Resolution using phenylethylamine |
| 01/04/2001 | WO2001001569A2 Process for preparing (-)-(1s,4r) n-protected 4-amino-2-cyclopentene-1-carboxylate esters |
| 01/04/2001 | CA2377801A1 Process for preparing (-)-(1s,4r) n-protected 4-amino-2-cyclopentene-1-carboxylate esters |
| 01/03/2001 | EP1064244A1 Method for separating a diphosphine diastereoisomers |
| 01/03/2001 | EP1064065A1 Improved method for enriching optical isomers by means of simulated mobile bed |
| 12/27/2000 | EP1062950A2 1,3 Oxathiolane nucleoside analogues |
| 12/26/2000 | US6166260 Enantioselectively reducing carbonyl or carbonyl-bearing chemical entities with chiral hydride complex reducing agents; resolving the reduction product through the formation of a complex of the reduction product and the ligand |
| 12/21/2000 | WO2000076991A1 Process for preparing chiral cyclopropane carboxylic acids and acyl guanidines |
| 12/21/2000 | CA2374627A1 Process for preparing chiral cyclopropane carboxylic acids and acyl guanidines |
| 12/19/2000 | US6162929 Process for the manufacture of bisphosphine oxide and bisphosphonate compounds |
| 12/13/2000 | EP1059286A1 Optical resolution of aminoisobutyric acid |
| 12/12/2000 | US6160134 Process for preparing chiral cyclopropane carboxylic acids and acyl guanidines |
| 12/12/2000 | CA2041305C Process for the resolution of 3-(4-substituted-phenyl)-glycidic acid derivatives |
| 12/09/2000 | CA2310425A1 Optical resolution of aminoisobutyric acid |
| 11/29/2000 | EP1054716A1 Packed capillaries, especially for enantiomeric separation |
| 11/28/2000 | US6153797 Catalytic racemization of amines with hydrogenation and dehydrogenation with catalysts and heating with alumina, zirconia, titania and silica |
| 11/22/2000 | CN1058724C Use of steroid compound for preparing medicaments |
| 11/14/2000 | US6147254 Reacting chiral base in solution with enantiomeric mixture of n-protected-cis-4-amino-2-cyclopentene-1-carboxylic acids to produce, in diastereoselective manner by fractional crystallisation, substantially pure salt |
| 11/09/2000 | WO2000010968A3 Novel aryl sulphonamide amino acid esters and analogues |
| 11/09/2000 | DE19920295A1 Enantiomer enrichment comprises distilling binary liquid mixture of enantiomers |
| 11/07/2000 | US6143903 Process for the production of enantiomerically-pure azetidine-2-carboxylic acid |
| 11/07/2000 | US6143180 By liquid chromatography with a separating agent, improved by passing said optical isomers through a polysaccharide derivative as the active component in the reverse phase condition using a basic mobile phase |
| 10/31/2000 | US6140529 Synthesis of optically active cyclohexylphenylglycolate esters |
| 10/26/2000 | WO2000063255A1 Process for producing chitin derivative |
| 10/26/2000 | WO2000063188A1 (-)-enantiomer of the 2-[2-(1- chlorocyclopropyl)-3- (2-chlorophenyl) -2- hydroxypropyl] -2,4- dihydro- [1,2,4] -triazole -3-thione |
| 10/26/2000 | WO2000063175A2 Novel process |
| 10/26/2000 | DE19917617A1 New (-) enantiomer of 2-(2-(1-chloro-cyclopropyl)-3-(2-chlorophenyl)-2-hydroxypropyl)-2,4-dihydro-(1,2,4)-triazole useful as a microbicide, especially fungicide, in plant and material protection |
| 10/25/2000 | EP1046627A2 Enantiopure reagents and process for the separation of enantiomers |
| 10/25/2000 | CN1270960A Process for preparing growth hormone cinogenic agent |
| 10/24/2000 | US6136981 Preparation of 4-phenyl-1,2,3,6-tetrahydropyridines |
| 10/24/2000 | US6136977 Processes for producing phenoxy propionic acid derivatives |
| 10/24/2000 | US6136198 Separation of stereoisomers within variable-length chromatography column |
| 10/21/2000 | CA2305944A1 Process for separating enantiomers and enantiopur reagent |
| 10/19/2000 | WO2000061540A1 Methods for preparing 3-aryloxy-3-arylpropylamines and intermediates thereof |
| 10/04/2000 | EP1041063A1 Process for preparation of (S)-oxetine enantiomers |
| 09/28/2000 | WO2000056693A1 Method of industrial-scale purification of lactic acid |
| 09/23/2000 | CA2266299A1 Process for preparation of (s)-oxetine enantiomers |
| 09/19/2000 | US6121460 Process for the preparation of an optically active indoline-2-carboxylic acid or derivative thereof |
| 09/14/2000 | WO2000053283A1 Co-crystallization process |
| 09/13/2000 | EP1034826A1 Co-crystallization process |