Patents
Sitemap › C07 - Organic chemistry › C07B - General methods of organic chemistry; Apparatus therefor › C07B 57 - Separation of optically-active organic compounds
Patents for C07B 57 - Separation of optically-active organic compounds (3,737)
12/2003
12/17/2003CN1462264A Separatory agent for optical isomer
12/17/2003CN1462263A Separatory agent comprising polysaccharide derivative having polycyclic structrue
12/17/2003CN1131203C Method for separating tramadol raceme
12/03/2003EP1366809A1 Separating agent for optical isomer
12/03/2003EP1366021A2 Substituted diarylureas as stimulators for fas-mediated apoptosis
12/03/2003EP1073618B1 Process for the production of enantiomerically pure or optically enriched sertraline-tetralone using continuous chromatography
12/03/2003CN1129571C Method for racemate splitting of 2 hydroxypropionic acids
12/02/2003US6657070 Production of chirally pure α-amino acids and N-sulfonyl α-amino acids
12/02/2003US6656902 Acetonitrile eluent
11/2003
11/27/2003WO2003085000A9 Crosslinked polysaccharide derivatives on a support and method for obtaining same
11/27/2003WO2003011846A3 Process for the preparation of 5-substituted isobenzofurans
11/27/2003US20030220509 Conversion of the hydroxysulfone group into the acetamidosulfone group; enzyme inhibitors of the carbonic anhydrase, for the treatment of elevated intraocular pressure
11/26/2003EP1364933A1 Optical resolver and method of optically resolving alcohol with the same
11/26/2003CN1458863A Separating agent for optical isomer
11/20/2003WO2003050062A3 PRODUCTION OF CHIRALLY PURE α-AMINO ACIDS ADN N-SULFONYL α-AMINO ACIDS
11/20/2003US20030216408 -4-substituted-N-(2-(4-(2,3-dihydro-benzo(1,4)dioxin-5-yl)-piperazin -1-yl)propy l)-N-pyridin-2-yl-benzamide or salt; useful as 5-HT1A receptor antagonists
11/20/2003US20030216391 Oxazole or thiazole-ethyl-oxy-indane acetic acid derivatives; useful for the treatment of diseases such as diabetes, obesity, hyperlipidemia and atherosclerosis
11/13/2003US20030212143 Analgesics, anesthetics; crystallization, resolution
11/11/2003US6645986 Process for the preparation of the mesylate salt trihydrate of 1-(4-hydroxyphenyl)-2-(4-hydroxy-4-phenylpiperidin-1-yl)-1-propanol
11/06/2003WO2003091185A1 Separating agent for optical isomer and method for preparation thereof
11/04/2003US6641784 Tris-(2,3-epoxypropyl)isocyanurate, is presented. The optical resolver comprises an optically active tris-(epoxyalkyl) isocyanurate or its derivative, or an optically active derivative of a tris-(epoxyalkyl)isocyanurate, High
10/2003
10/29/2003EP1257527B1 (2s)-aminoindan derivatives, a process for their preparation and their use as selective dopamine d3 ligands
10/29/2003EP1135357B1 Process for the resolution of tramadol
10/29/2003CN1452603A Process for preparing (-) mentrol and similar compounds
10/28/2003US6639103 Enantiomerically enriched forms; resolving amino functiona-lized enantiomers
10/23/2003WO2003087808A1 Optical isomer separation packing for simulated moving bed chromatography
10/22/2003EP1354865A1 Process for the preparation of aromatic aldehydes via ozonolysis of aromatic alkenes
10/22/2003EP1353928A2 Process for preparing clopidogrel
10/22/2003CN1450079A Crosslinking monomer containing bile acid and preparation process and use thereof
10/16/2003WO2003085000A1 Crosslinked polysaccharide derivatives on a support and method for obtaining same
10/16/2003US20030192829 Filler for separation of enantiomeric isomers in simulated moving bed chromatography
10/15/2003EP1351906A1 Compositions comprising higher diamondoids and processes for their separation
10/14/2003US6632969 Method for separating a diphosphine diastereoisomers
10/14/2003CA2065476C Optically active secondary amine compound, process for producing optically active secondary amine compound and process for producing optically active carboxylic acid by using saidcompound
10/07/2003US6630603 reduced-pressure distillation of a concentrated lactic acid solution having a total acid content of at least 95 wt % and a content of monomeric lactic acid of at least 80 wt %, based on the concentrated lactic acid solution, crystallization
10/02/2003US20030187279 Process for the production of r(+) alpha-lipoic acid
10/02/2003US20030187249 Main-group metal-based asymmetric catalysts and applications thereof
10/01/2003CN1122660C Propionic acid derivative and preparing method thereof
09/2003
09/30/2003CA2112979C Novel derivative of amino-2-naphthyridine, preparation and use thereof
09/30/2003CA2102697C Pyrrolidine derivatives, preparation thereof and drugs containing same
09/25/2003WO2003079002A2 Polymeric composite chiral stationary phases of brush type
09/25/2003US20030181736 Diphosphines
09/24/2003CN1444579A 2,2-disubstituted 1,3,-dioxolanes as antitussive agents
09/24/2003CN1122001C Method of separating optical isomers
09/18/2003US20030176446 2,2-disubstituted 1,3-dioxolanes as antitussive agents
09/17/2003EP1230260B1 Hcv ns3 protease inhibitors
09/17/2003CN1121388C Process for prepn. of ropivacaine hydrochloride monohydrate
09/10/2003EP1341828A1 Optically active polymer with epoxide functions, method for preparing same, and use thereof
09/09/2003US6616825 Electrochromatographic device for use in enantioselective separation, and enantioselective separation medium for use therein
09/04/2003US20030166970 Novel process for preparing (+)-cis-sertraline
09/04/2003US20030166963 Using tertiary amine catalyst
09/04/2003US20030166798 Mixtures of condensation polymers comprising organonitrogen or organosulfur polymers and curing agents, having preferential binding, used for analysis, separation and resolution of racemic mixtures
09/03/2003EP1339406A2 Piperazine derivatives, their preparation and their use for treating central nervous system (cns) disorders
09/02/2003US6613945 2-formyl-3,6-diphenyl-4,5-dimethyl-1-phosphanorborna-2,5-diene reacted with a diol or a diamine; hydrolysis of the acetal
08/2003
08/28/2003WO2003070961A1 Chimeric cannulae proteins, nucleic acids encoding them and methods for making and using them
08/28/2003CA2476362A1 Chimeric cannulae proteins, nucleic acids encoding them and methods for making and using them
08/27/2003EP1338588A1 Method of resolving optical isomers of amino acid derivative
08/27/2003EP1337533A2 Resolution of trans-7-(hydroxy-methyl)octa-hydro-2h-pyrido-1,2a)pyrazine
08/27/2003EP1257360A4 Chiral ferrocene phosphines and their use in asymmetric catalytic reactions
08/27/2003EP1159252B1 Method for the racemization of optically active amines
08/27/2003EP1064065B1 Improved method for enriching optical isomers by means of simulated mobile bed
08/27/2003EP0906906B1 Process for preparing optically active 2-piperazinecarboxylic acid derivatives
08/27/2003CN1119330C Process and diastereomeric salts usefur for the optical resolution of racemic piperidinebutanol and its derivatives
08/21/2003WO2003068728A1 PROCESS FOR PRODUCTION OF OPTICALLY ACTIVE β-PHENYLALANINE
08/21/2003WO2003068727A1 PROCESS FOR PRODUCTION OF OPTICALLY ACTIVE β-PHENYLALANINE DERIVATIVES
08/21/2003US20030158414 Process for preparing growth hormone secretagogues
08/20/2003EP1335911A1 Synthesis of r(+)alpha-lipoic acid
08/19/2003CA2045972C Optically active n-.alpha.-fluoroacryloylamino acid derivatives and optically active polymers thereof for the resolution of racemates
08/14/2003WO2003066873A1 Esterases with lipase activity
08/14/2003WO2002092562A3 Enantioselective reactions using two-component chiral phase transfer catalysts in multiphasic systems
08/14/2003US20030153031 Esterification of racemic mixture in solvent
08/14/2003CA2475094A1 Esterases with lipase activity
08/13/2003EP1334967A1 Process for producign optically active ethyl (3r,5s,6e)-7- 2-cyclopropyl-4-(4-fluorophenyl)quinolin-3-yl]-3,5-dihydroxy-6-heptenoate
08/13/2003EP1334966A1 Process for preparation of optically active sulfonamides and intermediates for their synthesis
08/07/2003US20030149264 Chiral ionic liquids
08/07/2003US20030149221 Anionic polymerization of (S)-(-)-N-alpha-methylbenzyl maleimide in the presence of an asymmetric ligand; high specific rotation and molecular weight
08/06/2003CN1434800A Pyridine-1-oxide derivative, and process for its transformation into pharmaceutically effective compunds
08/06/2003CN1117069C Process for preparation of inorganic salt of optical phenylglycine derivative
08/05/2003CA2121351C The resolution of 5-methyltetrahydrofolic acid
07/2003
07/31/2003WO2003062225A1 Pyrimidine derivatives as rho-kinase inhibitors
07/31/2003WO2003062203A1 Method
07/31/2003US20030141252 Separating agent for optical isomer
07/31/2003CA2473510A1 Pyrimidine derivatives as rho-kinase inhibitors
07/31/2003CA2473386A1 Method
07/30/2003EP1331214A1 Packing material for separation of optical isomer and method of separating optical isomer with the same
07/30/2003EP1330450A2 Process for the production of r(+)alpha-lipoic acid
07/30/2003EP1150941B1 Method for the racemization of optically active amines
07/30/2003EP0828767B1 Molecularly imprinted beaded polymers and stabilized suspension polymerization of the same in perfluorocarbon liquids
07/30/2003CN1433393A New process
07/29/2003CA2102530C Therapeutic agent
07/24/2003WO2003059846A1 Highly homogenous serum albumin as chiral selector
07/24/2003WO2003059512A1 Immobilized catalyst for heterogeneous catalysis
07/24/2003US20030139614 Catalyzing the decyclization of racemic and diastereomeric epoxides mixtures in the presence of a non-racemic, chiral catalyst; pharmaceutical synthesis
07/24/2003US20030139474 Process
07/23/2003EP1329453A1 Method for obtaining 4-(n-alkylamine)-5, 6-dihydro-4h-thieno-(2,3-b)-thiopyran-2-sulfamide-7, 7-dioxides and intermediate products
07/23/2003EP0788480B1 Crystallisation of levobupivacaine and analogues thereof
07/22/2003US6596715 Protease inhibitors
07/15/2003US6593492 Reacting hydroxyalkylcarboxylic acid derivative with cinchonidine; salt formation; contact with methylene chloride and diethyl ether solvent; acylation, amidation
07/10/2003WO2003055831A1 Separation of diastereoisomers
07/09/2003EP1324975A2 Dynamic resolution of isomers and resolved isomers
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