| Patents for C07B 57 - Separation of optically-active organic compounds (3,737) |
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| 07/12/2005 | CA2195370C A method of separating the racemate of tramadol |
| 07/06/2005 | EP1077979B1 Method for producing (s,s)-benzyl-2,8-diazabicyclo 4.3.0]nonane |
| 06/30/2005 | WO2005058776A1 Process for the preparation of enantiomerically enriched amino acids |
| 06/28/2005 | US6911479 Side effect reduction; purity; removal of stereoisomers |
| 06/23/2005 | WO2005056609A1 Cationic oligomer of a saccharide for resolving enantiomers and asymmetric synthesis |
| 06/23/2005 | US20050137246 Organic amine salts of glutamic acid derivatives and their application |
| 06/16/2005 | US20050131073 Enantiomerically enriched 1-phenylethylamines |
| 06/16/2005 | US20050131051 2-3-disubstituted quinuclidiness as modulators of monoamine transporters and theraperutic and diagnostic methods based thereon |
| 06/15/2005 | EP1539139A2 Compositions and methods for separating amines and amino acids from their counter-enantiomers |
| 06/08/2005 | EP1128881B1 Separation method with chromatographic zones with variable length |
| 06/02/2005 | WO2005049571A1 Process for preparation of chiral amlodipine salts |
| 06/02/2005 | WO2005049557A1 Process for producing optically active 2-alkylcysteine, derivative thereof, and processes for production |
| 06/01/2005 | EP1535917A1 2-oxabicyclo 3.3.0 octane compounds, process for producing the same, optical resolver, method of separating diastereomer mixture, and method of optically resolving alcohol |
| 06/01/2005 | EP1534699A1 Kinetic resolution method |
| 06/01/2005 | EP1534654A1 Method for the separation of intermediates which may be used for the preparation of escitalopram |
| 06/01/2005 | EP1115695B1 (r)-chiral halogenated 1-substitutedamino-(n+1)-alkanols useful for inhibiting cholesteryl ester transfer protein activity |
| 06/01/2005 | CN1622938A 方法 Method |
| 06/01/2005 | CN1204262C Method for producing optically active amines |
| 06/01/2005 | CN1204122C Process for separating optically active ethyl (3R, 5S, 6E)-7-[2-cyclopropyl-4-(4-fluorophenyl)quinolin-3-yl]-3, 5-dihydroxy-6-heptenoate |
| 05/31/2005 | US6900313 Chiral ionic liquids |
| 05/31/2005 | US6900194 Use of substituted 4-biarylbutyric and 5-biarylpentanoic acid derivatives as matrix metalloprotease inhibitors for the treatment of respiratory diseases |
| 05/26/2005 | WO2005047235A1 Cis-trans isomerisation of semicarbazone compounds |
| 05/26/2005 | CA2545011A1 Cis-trans isomerisation of semicarbazone compounds |
| 05/25/2005 | EP1533300A1 Organic amine salts of glutamic acid derivatives and their application |
| 05/21/2005 | CA2486838A1 Organic amine salts of glutamic acid derivatives and their application |
| 05/19/2005 | US20050107453 Resolution of 3-amino alkylnitriles |
| 05/18/2005 | CN1617931A Esteralse with lipase activity |
| 05/17/2005 | US6894170 Process for the preparation of substituted thiazolines and their intermediates |
| 05/12/2005 | US20050101782 Process for the preparation of substituted thiazolines and their intermediates |
| 05/06/2005 | WO2005040097A1 Resolution of 3-amino alkylnitriles |
| 05/06/2005 | CA2543606A1 Resolution of 3-amino alkylnitriles |
| 05/06/2005 | CA2538630A1 Novel compounds and their use in medicine: process for their preparation and pharmaceutical compositions containing them |
| 05/04/2005 | EP1527041A1 Process for the preparation of primary amines |
| 05/04/2005 | CN1199961C Spliting method for DL-pantoyl intenral ester |
| 05/03/2005 | CA2193994C Process for synthesis of substituted sulphoxides |
| 04/28/2005 | US20050090652 Highly homogenous serum albumin as chiral selector |
| 04/28/2005 | US20050090543 Method for the preparation of tetrahydrobenzothiepines |
| 04/21/2005 | US20050085665 Solvent extraction; neutralization with base ; crystallization from aqueous solution containing mineral acids |
| 04/21/2005 | US20050085448 Viricides against herpes virus; autoimmune disease; antitumor agents |
| 04/20/2005 | EP1443921B1 Production of pure stereoisomers of tricyclo-[5.2.1.0(2.6)]-dec-9-yl-xanthate esters and their use as medicaments |
| 04/20/2005 | CN1608041A Separation of diastereoisomers |
| 04/20/2005 | CN1607201A Method for the stereoselective synthesis of cyclic amino acids |
| 04/19/2005 | US6881342 Separation media |
| 04/14/2005 | US20050080104 Preparing 3-[(4S)-5-oxo-2-(trifluoromethyl)-1,4,5,6,7,8-hexahydroquinolin-4-yl]benzonitrile by reacting an ester of 4,4,4-trifluoro-3-oxobutanoate with 1,3-cyclohexanedione and 3-cyanobenzaldehyde, , dehydrating and de-esterifying the intermeidate |
| 04/13/2005 | EP1522538A2 Method of separating r(-)- and s(+)-5- 2- 2-(2-ethoxyphenoxy)ethyl]amino]propyl-2-methoxybenzene-sulphonamide |
| 04/12/2005 | US6878848 Process for converting a cis-trans mixture of substituted benzylidene amines into the pure cis isomer |
| 04/07/2005 | WO2005030730A1 PROCESS FOR PRODUCING OPTICALLY ACTIVE α-AMINO-ϵ-CAPROLACTAM OR SALT THEREOF AND INTERMEDIATE FOR THE PRODUCTION |
| 04/07/2005 | US20050075502 Cellulose tris (4-chlorophenyl carbamate) on stationary phase in liquid chhromatograhy column separates optical isomers |
| 04/07/2005 | US20050075338 5-(Substituted oxazolyl- or thiazolyl-ethoxy)indaneacetic acid derivatives, used in the treatment of diseases such as diabetes, obesity, hyperlipidemia, and atherosclerotic diseases |
| 04/06/2005 | EP1250299B1 Chiral ionic liquids |
| 04/06/2005 | CN1603302A Enantiomerically enriched 1-phenylethylamines |
| 03/30/2005 | EP1517877A1 Preparation of chiral amino-nitriles |
| 03/30/2005 | EP0586385B2 Enantiomer separating process on chiral separation phases by means of a continuous counter-current chromatography process |
| 03/30/2005 | CN1602305A Method for the preparation of escitalopram |
| 03/24/2005 | US20050065367 Method for producing optically active beta-phenylalanine |
| 03/24/2005 | US20050065366 Method for producing optically active beta-phenylalanine compounds |
| 03/24/2005 | US20050065349 Asymmetric 1,4-reductions of and 1,4-additions to enoates and related systems |
| 03/23/2005 | EP1419125A4 Kinetic resolutions of chirat 3- and 3-substituted carboxylic acids |
| 03/22/2005 | US6870070 Hydrogenation, resoulution, alkylation, bromination, andcarboxamidation |
| 03/22/2005 | US6870021 Mixtures of condensation polymers comprising organonitrogen or organosulfur polymers and curing agents, having preferential binding, used for analysis, separation and resolution of racemic mixtures |
| 03/16/2005 | EP1163200B9 Method of industrial-scale purification of lactic acid |
| 03/15/2005 | CA2279779C Process for preparation of substituted 3-hydroxypiperidines |
| 03/10/2005 | WO2005021502A1 METHOD FOR PRODUCING OPTICALLY ACTIVE THREO-β-ALKYLTRYPTOPHAN DERIVATIVE AND INTERMEDIATE THEREOF |
| 03/10/2005 | US20050054878 Method for separation of enantiomeric isomers by simulated moving bed chromatography |
| 03/09/2005 | EP1512677A1 PROCESS FOR PRODUCING OPTICALLY ACTIVE s-AMINO ALCOHOL |
| 03/09/2005 | EP1307440B1 2,2-disubstituted 1,3-dioxolanes as antitussive agents |
| 03/09/2005 | CN1590373A Process for the preparation of the mesylate salt trihydrate of 1-(4-hydroxyphenyl)-2-(4-hydroxy-4-phenylpiperidin-1-yl)-1-propanol |
| 03/08/2005 | US6864374 Synthesis of r(+)α-lipoic acid |
| 03/03/2005 | US20050045561 Separating agent for enantiomeric isomers |
| 03/02/2005 | EP1232279B1 Method for producing optically active amines |
| 03/02/2005 | CN1589142A Production of pure stereoisomers of tricyclo[5.2.1.02.6]-dec-9-yl xanthogenate and medicaments therefrom |
| 03/01/2005 | US6861512 Separation of olefinic isomers |
| 02/24/2005 | DE10336185A1 Enantiomerenangereicherte 1-Phenylethylamine Enantiomerically enriched 1-phenylethylamine |
| 02/23/2005 | EP1508565A1 Process for the preparation of optically active aminoalcohols |
| 02/22/2005 | CA2129039C Tri-substituted phenyl derivatives as phosphodiesterase inhibitors |
| 02/17/2005 | US20050038281 Simultaneous resolution and salt formation of enantiomeric forms; simple, high yield |
| 02/16/2005 | EP1506965A1 Propanolamine derivatives, process for preparation of 3-n-methylamino-1-(2-thienyl)-1-propanols and process for preparation of propanolamine derivatives |
| 02/09/2005 | EP1505056A1 Enantiomerically enriched 1-phenylethylamines |
| 02/09/2005 | CN1578756A Process for the preparation of optically pure or enriched racemic tetralone |
| 02/01/2005 | US6849742 Binaphthol derivative and process for producing the same |
| 01/27/2005 | WO2005007612A1 Process for production of optically active 1-(2-tri- fluoromethylphenyl)ethylamine |
| 01/27/2005 | US20050020849 via non-racemic cinchona-alkaloid-type catalyst (quinidine) for addition of nucleophile |
| 01/27/2005 | US20050019938 quick and reliable; capillary gas chromatography; stationary phase contains a cyclodextrin derivatives and polysiloxanes |
| 01/26/2005 | EP1500430A2 Separating agent for optical isomers, method of production thereof, and separation column for optical isomers |
| 01/19/2005 | EP1498404A1 Separating agent for optical isomer and method for preparation thereof |
| 01/19/2005 | EP1497026A2 Polymeric composite chiral stationary phases of brush type |
| 01/18/2005 | US6844462 Biphenydiols |
| 01/18/2005 | US6844448 Main-group metal-based asymmetric catalysts and applications thereof |
| 01/13/2005 | WO2004052883A3 Process for the separation of enantiomers |
| 01/12/2005 | EP1496356A1 Optical isomer separation packing for simulated moving bed chromatography |
| 01/11/2005 | US6841667 Nucleophilic kinetic resolution of cyclic substrates using silyl azides |
| 01/06/2005 | US20050004398 Reacting enantiomorph with acid and releasing; separation; crystallization; cardiovascular disorders |
| 01/05/2005 | EP1492879A1 Chimeric cannulae proteins, nucleic acids encoding them and methods for making and using them |
| 01/05/2005 | EP1492769A2 Novel process |
| 01/05/2005 | CN1183101C Derivatives of alpha-amino acid phenyl ester |
| 01/04/2005 | CA2148827C Novel 3,3-diphenylpropylamines, their use and preparation |
| 12/30/2004 | US20040262229 Separating agent for optical isomers, method of production thereof, and separation column for optical isomers |
| 12/29/2004 | CN1558905A Indane acetic acid derivatives and their use as pharmaceutical agents, intermediates, and method of preparation |
| 12/23/2004 | WO2004110586A1 Nucleic acids in the form of specific novel chiral selectors |
| 12/23/2004 | US20040259940 Precipitation from mother liquors by adding bases or acid addition salts to solution of citalopram |