| Patents for C07B 57 - Separation of optically-active organic compounds (3,737) |
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| 03/07/2006 | US7008533 Crystallization, precipitation, filtration; separating or resolution of enantiomorphs using electrophoresis and/or chromatography; ansamacrolides, macrolides, macrocyclic peptides, polyenes and derivatives |
| 03/01/2006 | EP1628730A1 Nucleic acids in the form of specific novel chiral selectors |
| 03/01/2006 | CN1740156A Diastereomeric salts of terfenadine |
| 02/23/2006 | US20060041163 Process for the production of optically active 3-phenylisoserine |
| 02/22/2006 | EP1322958B1 Selective binding materials |
| 02/22/2006 | CN1738791A Processes for the recovery of optically active diacyltartatic acids |
| 02/21/2006 | US7002037 Resolution of enantiomorphs |
| 02/16/2006 | DE102004035034A1 Racematspaltung von p-Hydroxyphenyl-2-alkoxy-propionsäuren Resolution of racemic p-hydroxyphenyl-2-alkoxy-propionic acids |
| 02/08/2006 | EP1144348B1 Lta 4 hydrolase inhibitors |
| 02/08/2006 | CN1240646C Process for preparing (-) menthol and similar compounds |
| 02/07/2006 | US6995177 HCV NS3 protease inhibitors |
| 02/01/2006 | EP0817765B1 Stereoselective ring opening reactions |
| 02/01/2006 | CN1729192A Optical resolution of (1-benzyl-4-methylpiperidin-3-yl) -methylamine and the use thereof for the preparation of pyrrolo 2,3-pyrimidine derivatives as protein kinases inhibitors |
| 02/01/2006 | CN1239468C Method for the racemization of optically active amines |
| 01/26/2006 | US20060020016 5-Ethoxy-4-(1-(benzyloxycarbonyl)-2-pyrrolidinylcarbonylamino)-5H-furan-2-one; purification by chromatography, selectively crystallization, or dynamic crystallization; useful for preparing caspase inhibitors |
| 01/25/2006 | EP1619186A1 Method for obtaining pure enantiomers of a pyridazinone derivative |
| 01/19/2006 | US20060014793 Process and diastereomeric salts useful for the optical resolution of racemic alpha-(4-(1, 1-dimethylethyl) phenyl] -4- (hydroxydiphenylmethyl) -1-piperidinebutanol and derivative compounds |
| 01/19/2006 | US20060011533 Separating agent for optical isomer |
| 01/18/2006 | EP1330450B1 Process for the production of r(+)alpha-lipoic acid |
| 01/17/2006 | CA2177171C Novel substituted oxazolidines |
| 01/04/2006 | EP1611111A2 Process for resolving 2,4-diamino-3,6-dihydro-1,3,5-triazines, useful for the treatment of disorders associated with insulin resistance syndrome |
| 01/04/2006 | EP1527034B1 A process for the optical resolution of a precursor of sclareolide |
| 01/04/2006 | EP1408035B1 Method of preparing derivatives of 1.5-diaryl-3-trifluoromethyl-delta2-pyrazolines that are racemic and enantiomerically pure |
| 01/03/2006 | US6982350 reduction of 4,5-dimethoxy-1-cyano-benzocyclobutane, resolution with optically active diacid (N-acetyl-L-glutamic acid), amidification and reduction; improved yield and optical purity; chemical intermediates; antiischemic agents |
| 01/03/2006 | US6982344 Process for preparation of optically active sulfonamides and intermediates for their synthesis |
| 12/29/2005 | WO2005123659A1 Method of synthesising (1s)-4,5-dimethoxy-1- (methylaminomethyl)-benzocyclobutane and the addition salts thereof, and use of same for the synthesis of ivabradine and the pharmaceutically-acceptable addition salts thereof |
| 12/28/2005 | EP1609781A1 Optical resolution of (1-benzyl-4-methylpiperidin-3-yl)-methylamine |
| 12/28/2005 | EP1478760A4 Esterases with lipase activity |
| 12/28/2005 | EP1373241B1 Method for producing optically active dihydropyrones |
| 12/21/2005 | CN1232481C Novel process for preparing (+)-cis-sertraline |
| 12/14/2005 | CN1231434C Method for separating diphosphine diastereiosomers |
| 12/07/2005 | EP1602369A2 Bupropion Metabolites and Methods of their Synthesis and Use |
| 12/07/2005 | CN1705636A Process for converting a cis-trans mixture of substituted benzylidene amines into the pure cis isomer |
| 11/30/2005 | CN1229346C Diastereomer salts of terfenadine |
| 11/29/2005 | US6969767 5-(haloalkyloxycarbonyloxy)-6-(5-chloropyridin-2-yl)-7-oxo-5,6-dihydropyrrolo[3,4b]pyrazine; enzymatic process for intermediate's synthesis and transformation to (+)-zopiclone |
| 11/29/2005 | CA2253575C Process for the resolution of racemic ketamine |
| 11/24/2005 | US20050261376 reduction of 4,5-dimethoxy-1-cyano-benzocyclobutane, resolution with optically active diacid (N-acetyl-L-glutamic acid), amidification and reduction; improved yield and optical purity; chemical intermediates; antiischemic agents |
| 11/23/2005 | EP1598333A1 Process for the preparation of (1S)-4,5-dimethoxy-1-(methylaminomethyl)-benzocyclobutane, acid addition salts thereof and its use for the synthesis of ivabradine and for its pharmaceutically acceptable acid addition salts |
| 11/23/2005 | CN1699331A Process for the synthesis of (is)-4,5-dimethoxy-1-(methylaminomethyl)-benzocyclobutane and uses thereof |
| 11/17/2005 | WO2005090334A3 Processes and intermediates for the preparation of aspartic acetal caspase inhibitors |
| 11/16/2005 | EP1324975B1 Dynamic resolution of isomers and resolved isomers |
| 11/10/2005 | US20050250950 1,3-oxathiolane nucleoside analogues |
| 11/09/2005 | EP1171417B1 Methods for preparing 3-aryloxy-3-arylpropylamines and intermediates thereof |
| 11/03/2005 | WO2005103005A1 PROCESS FOR SELECTIVELY PRODUCING OPTICALLY ACTIVE ISOMER OF β-PYRIDYLALANINE |
| 11/02/2005 | CN1225452C Prepn. of (+)-trans-chrysanthemic acid |
| 10/27/2005 | US20050240059 Process for the preparation of primary amines |
| 10/26/2005 | EP1589000A2 (R)-Chiral halogenated 1-substitutedamino-(N+1)-alkanols useful for inhibiting cholesteryl ester transfer protein activity |
| 10/19/2005 | EP1585720A1 Process for converting a cis-trans mixture of substituted benzylidene amines into the pure cis isomer |
| 10/19/2005 | EP1492879A4 Chimeric cannulae proteins, nucleic acids encoding them and methods for making and using them |
| 10/19/2005 | EP1389193B1 Method for producing biperiden i |
| 10/12/2005 | EP1584611A1 Screening for optimal yield in the crystallisation of multicomponent systems |
| 10/12/2005 | CN1681590A Active catalysts for stereoselective ring-opening reactions |
| 10/06/2005 | US20050222454 Separating agent for optical isomer and method for preparation thereof |
| 10/04/2005 | CA2061630C Methyldioxolan |
| 09/29/2005 | WO2005090334A2 Processes and intermediates for the preparation of aspartic acetal caspase inhibitors |
| 09/29/2005 | CA2843066A1 Processes and intermediates for the preparation of aspartic acetal caspase inhibitors |
| 09/29/2005 | CA2768700A1 Processes and intermediates for the preparation of aspartic acetal caspase inhibitors |
| 09/29/2005 | CA2559303A1 Processes and intermediates for the preparation of aspartic acetal caspase inhibitors |
| 09/28/2005 | CN1675144A Method for the separation of intermediates which may be used for the preparation of escitalopram |
| 09/22/2005 | US20050209471 Stereoselective addition of a nucleophile to a reactive pi -bond of a substrate using a chiral, non-racemic catalysts, producing a stereoisomerically enriched product |
| 09/22/2005 | US20050208121 Polymeric cannulae proteins, nucleic acids encoding them and methods for making and using them |
| 09/21/2005 | EP1268369A4 Novel process for preparing (+)-cis-sertraline |
| 09/20/2005 | US6946557 Cellulose tris (4-chlorophenyl carbamate) on stationary phase in liquid chhromatograhy column separates optical isomers |
| 09/15/2005 | WO2005085184A1 Process for production of cyclopentenenitrile derivatives |
| 09/09/2005 | WO2005082850A1 Process for producing monatin |
| 09/07/2005 | CN1665760A Preparation of chiral amino-nitriles |
| 09/01/2005 | WO2005080300A1 Optical resolver, process for producing optically active isomer, and 1,5-substituted bicyclo[3.3.0]-2-oxaoctane compound |
| 09/01/2005 | US20050192304 Rho-kinase inhibitors |
| 09/01/2005 | CA2560347A1 Process for manufacturing optically pure (r) or (s)-5-(2-aminopropyl)-2-methoxybenzene sulfonamide |
| 08/31/2005 | CN1661366A Chirality chromatogram fixed phase of antibiotics, preparation and application |
| 08/31/2005 | CN1660814A (1R, 2R) or (1S, 2S)-1-(4'-substitute-1'8'-naphthoyl imdo group)-2-amino cyclohexane, preparation and application |
| 08/31/2005 | CN1216868C Pyridine-1-oxide derivative, and process for its transformation into pharmaceutically effective compunds |
| 08/31/2005 | CN1216684C Separating agent for optical isomer |
| 08/30/2005 | CA2195372C A method of preparing the enantiomers of o-demethyltramadol |
| 08/25/2005 | WO2005077891A1 Method for the separation of intermediates which may be used for the preparation of escitalopram |
| 08/25/2005 | US20050187392 Hydrolytic kinetic resolution of cyclic substrates |
| 08/24/2005 | CN1216053C 2,2-disubstituted 1,3-dioxolanes as antitussive atents |
| 08/23/2005 | CA2253711C Improved process for the production of enantiomerically-pure azetidine-2-carboxylic acid |
| 08/17/2005 | EP1564553A1 Separating agent for optical isomer |
| 08/17/2005 | CN1215028C Optical resolution method for recemic diphenol |
| 08/11/2005 | US20050176963 Reacting 1-(bicyclo(2.2.1)hept-5-en-2-yl)-3-piperidine-1-propanone withdiphenylmagnesium |
| 08/11/2005 | US20050176118 Esterases with lipase activity |
| 08/10/2005 | EP1560649A1 Active catalysts for stereoselective ring-opening reactions |
| 08/10/2005 | CN1214015C (-)-Enantiomer of 2-[2-(1-chlorocyclopropyl)-3-(2-chlorophenyl)-2-hydroxypropyl]-2,4-dihydro-[1,2,4]-triazole-3-thione |
| 08/09/2005 | CA2342201C Process for the production of enantiomerically pure or optically enriched sertraline-tetralone using continuous chromatography |
| 08/04/2005 | WO2005070911A1 Transacetalisation process |
| 08/04/2005 | US20050171379 Separation of diastereoisomers |
| 08/04/2005 | US20050171359 crystallizing the salt of one enantiomer of the N-protected amino acids with an enantiomerically pure N-unprotected beta -amino acid derivative used as resolving agent; Liberation of the desired N-protected amino acid takes place preferably through acidification and extraction |
| 08/03/2005 | CN1213016C Split method for preparing intermediate enriched with antimer |
| 08/02/2005 | US6924290 Antitumor agents; anticancer agents; sexual disorders; cardiovascular disorders |
| 07/27/2005 | EP0973705B1 Chromatographic enantiomer separation of lactones |
| 07/27/2005 | CN1646905A Optical isomer separation packing for simulated moving bed chromatography |
| 07/21/2005 | US20050159570 Molecularly imprinted polymer obtainable by polymerization of hexamethyl phosphonamide based monomer in presence of a template molecule and extraction; crosslinking; separation of enantiomers, resolution |
| 07/20/2005 | EP1173425B1 (-)-enantiomer of the 2- 2-(1- chlorocyclopropyl)-3- (2-chlorophenyl) -2- hydroxypropyl] -2,4- dihydro- 1,2,4] -triazole -3-thione |
| 07/20/2005 | EP0894087B1 Method for obtaining pure enantiomers of a pyridazinone derivative |
| 07/20/2005 | CN1211322C Separatory agent comprising polysaccharide derivative having polycyclic structure |
| 07/14/2005 | US20050154051 Method for the preparation of escitalopram |
| 07/13/2005 | CN1639109A Dynamic resolution of isomers and resolved isomers |
| 07/13/2005 | CN1210262C Method for preparing methylsulfonate trihydrate of 1-(4-hydroxyphenyl)-2-(4-hydroxy-4-phenylpiperid-1-yl)-1-propanol |
| 07/12/2005 | US6916926 Process for the preparation of (±) 1-3-dioxolanes and the optical resolution thereof |