Patents for C07B 57 - Separation of optically-active organic compounds (3,737) |
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07/09/2003 | EP1098871B1 alpha-AMINO ACID PHENYL ESTER DERIVATIVES |
07/09/2003 | EP1064244B1 Method for separating a diphosphine diastereoisomers |
07/09/2003 | CN1429188A Novel process for prepaing (+)-cis-sertraline |
07/09/2003 | CN1113834C Separating agent for optical isomers, and its use and process for producing same |
07/08/2003 | CA2153549C New benzothiadiazine derivative, process for preparing the same and pharmaceutical compositions containing said derivative |
07/03/2003 | US20030125563 Asymmetric 1,4-reductions of and 1,4-additions to enoates and related systems |
07/02/2003 | EP1322958A2 Selective binding materials |
07/01/2003 | US6586436 Serotonergic agents |
07/01/2003 | US6586434 Method for the preparation of tetrahydrobenzothiepines |
06/26/2003 | WO2003051861A1 Method for the preparation of escitalopram |
06/26/2003 | WO2003051852A1 Intermediate and process for producing optically active compound from the intermediate |
06/26/2003 | CA2470225A1 Method for the preparation of escitalopram |
06/25/2003 | EP1135417B1 Polysaccharide chiral esters, one of the methods for preparing them and their uses for obtaining optically enriched acids or chiral chromatography |
06/25/2003 | EP1091932B1 Chiral stationary phases for enantiomers separation and their preparation |
06/19/2003 | WO2003050062A2 PRODUCTION OF CHIRALLY PURE α-AMINO ACIDS ADN N-SULFONYL α-AMINO ACIDS |
06/19/2003 | CA2470111A1 Production of chirally pure .alpha.-amino acids and n-sulfonyl .alpha.-amino acids |
06/18/2003 | EP1268584A4 Compositions and methods for selectively binding amines or amino acid enantiomers over their counter-enantiomers |
06/12/2003 | WO2003048080A1 Methods for the separation of isomers |
06/11/2003 | EP0718625B1 Separating agent |
06/10/2003 | CA2133427C Enantiomeric 1-phenyl-2-(2-pyridinyl) ethylamine for the treatment of neurodegenerative disorders |
06/05/2003 | WO2002088149A3 A process for manufacture of fosinopril sodium |
06/05/2003 | US20030105364 Process for the preparation of optically pure or enriched racemic tetralone |
06/04/2003 | EP1316542A1 3-amino-1-indanole, method of synthesizing the same and method of optical resolution |
06/04/2003 | EP1315493A1 2-3-disubstituted quinuclidines as modulators of monoamine transporters and therapeutic and diagnostic methods based thereon |
06/04/2003 | EP0773940B1 Process for synthesis of substituted sulphoxides |
05/28/2003 | EP1313547A2 Liquid membrane separation of enantiomers |
05/28/2003 | EP0912528B1 Processes for producing phenoxy propionic acid derivatives |
05/27/2003 | US6570036 Co-crystallization process |
05/22/2003 | WO2003042132A1 Recovery and recycling of chiral tartaric acid resolving agents |
05/22/2003 | WO2003041702A1 Production of pure stereoisomers of tricyclo[5.2.1.02.6]-dec-9-yl xanthogenate and medicaments therefrom |
05/22/2003 | US20030097002 Enantioselective reactions using two-component chiral phase transfer catalysts in multiphasic systems |
05/22/2003 | CA2465294A1 Recovery and recycling of chiral tartaric acid resolving agents |
05/20/2003 | US6566298 Diphosphines |
05/15/2003 | US20030092773 Process for the separation of the cis trans diasteroisomers of tramadol |
05/15/2003 | US20030092142 Process for the preparation of chiral alpha-hydroxycarboxylic acids |
05/14/2003 | EP1310477A2 Process for the preparation of chiral alpha-hydroxycarboxylic acids |
05/14/2003 | EP1156864B1 Co-crystallization process |
05/13/2003 | US6562967 Drug screening; purity |
05/13/2003 | US6562966 Combining a racemic or a diastereomeric mixture of a chiral substrate with a nucleophile, in the presence of a chiral non-racemic catalyst |
05/08/2003 | WO2003037840A1 Process for the preparation of optically pure or enriched racemic tetralone |
05/08/2003 | WO2002100804A3 Novel use of sulfamic acids as resolving agent. |
05/08/2003 | US20030088105 Process for the preparation of substituted thiazolines and their intermediates |
05/08/2003 | US20030087950 New alpha-amino acid sulphonyl compounds |
05/08/2003 | CA2464916A1 Process for the preparation of optically pure or enriched racemic tetralone |
05/07/2003 | EP1307440A1 2,2-disubstituted 1,3-dioxolanes as antitussive agents |
05/07/2003 | CA2411218A1 Process for the preparation of chiral alpha-hydroxycarboxylic acids |
05/06/2003 | US6559338 Method for racemate splitting of 2-hydroxypropionic acids |
05/06/2003 | US6559334 Polymers chromatographic separation of enantiomers |
05/06/2003 | CA2126180C Isomerisation process |
05/02/2003 | EP1305270A1 Kinetic resolutions of chiral 2- and 3-substituted carboxylic acids |
04/24/2003 | US20030078429 Diastereomeric salt between (R)-(+)- alpha -(4-(1,1-dimethylethyl or dimethylacetic acid or ester )phenyl)-4-hydroxydiphylphenylmethyl)-1 pipridinebutanol and either mandelic acid or di-para-toluoyltartaric acid |
04/23/2003 | CN1413188A Resolution of intermediates in synthesis of substantially pure bicalutamide |
04/22/2003 | US6552227 Process for preparing (+)-cis-sertraline |
04/17/2003 | US20030073719 Chiral salt resolution |
04/16/2003 | EP1302467A2 Process for the preparation of substituted thiazoline derivatives and their intermediate |
04/16/2003 | EP1301452A2 Process for preparing (-)menthol and similar compounds |
04/16/2003 | EP1067127B1 Novel beta-diketone compounds, beta-diketone compounds coordinated to metal, method of organic synthesis with these, and catalyst |
04/09/2003 | EP1300391A1 Process for producing 3-amino-2-hydroxypropionic acid derivatives |
04/08/2003 | US6545050 Aryl sulphonamide amino acid esters and analogues |
04/02/2003 | CN1407967A Stereoselective synthesis of cyclic amino acids |
04/02/2003 | CN1104416C Racemisation and asymmetric transformation process used in manufacture of levobupivacaine and analogues thereof |
04/01/2003 | US6541668 Methods for preparing 3-arloxy-3-arylpropylamines and intermediates thereof |
04/01/2003 | US6541634 Process for preparing growth hormone secretagogues |
03/27/2003 | US20030060656 Contacting organic compound with: an oxidizing agent, and catalyst comprising a metal and a chiral ligand, producing an oxidized organic compound and a single enantiomer of the organic compound |
03/26/2003 | EP1294659A2 Process for isolating enantiomers of racemic cetamine |
03/20/2003 | WO2003022784A1 Method for determining the enantiomer ratio trimethylcyclopentene derivatives |
03/19/2003 | CN1403458A (8S,18S)-1,4,10,13,16-pentazatricyclo [16.3.0.0 4.8] heneicosane-9,17-diketone and its prepn process |
03/18/2003 | US6534657 Chiral ferrocene phosphines and their use in asymmetric catalytic reactions |
03/18/2003 | US6533936 Method for separation of optical isomers |
03/12/2003 | EP1091954B1 Process for producing (8-chloro-3,10-dibromo-6,11-dihydro-5h-benzo 5,6]cyclohepta[1,2-b]pyridin-11-yl)-1-piperidine |
03/06/2003 | US20030045713 Diphosphines |
03/05/2003 | EP1286984A2 Method for the preparation of tetrahydrobenzothiepines |
03/05/2003 | EP1286982A2 Process for the preparation of benzoyl substituted bicylic compounds and chiral bnezopyran derivatives |
03/05/2003 | EP1286951A1 Process for the separation of the cis trans diastereoisomers of tramadol |
03/05/2003 | CN1400960A Packing material for separation of optical isomer and method of separating optical isomer with the same |
03/05/2003 | CN1102561C Method of resolving racemic mixtures |
03/04/2003 | US6528642 Alkenylated cyclodextrin compounds and polymers made tthereof ; made by reacting an alkenyl halide with cyclodextrin; use as support for separation of enantiomers, other isomers, and hydrophobic organic molecules, or as catalyst support |
02/27/2003 | WO2003016245A1 Chromatographic separation of enantiomers of protected amino acids via smb-method |
02/26/2003 | CN1399687A Method for producing optically active amines |
02/26/2003 | CN1102137C Method for splitting ibuprofen by two-component chiral reagent |
02/25/2003 | US6525214 Contacting 2-(4-isobutylphenyl)propionic acid of high enantiomorph purity with sodium base; salt formation to form sodium ibuprofen; analgesics, antipyretics, antiinflammatory agents |
02/25/2003 | CA2039401C Preparation of optically active norbornyl amine derivatives |
02/18/2003 | US6521561 Main-group metal based asymmetric catalysts and applications thereof |
02/13/2003 | WO2003011846A2 Process for the preparation of 5-substituted isobenzofurans |
02/13/2003 | WO2003011842A1 Indane acetic acid derivatives and their use as pharmaceutical agents, intermediates, and method of preparation |
02/13/2003 | WO2003011802A1 Iso-$g(b)-bisabolol as fragrance and aroma substance |
02/13/2003 | WO2003011799A1 Kinetic resolutions of chirat 3- and 3-substituted carboxylic acids |
02/13/2003 | CA2753329A1 Indane acetic acid derivatives and their use as pharmaceutical agents, intermediates, and method of preparation |
02/13/2003 | CA2456166A1 Kinetic resolutions of chiral 2- and 3-substituted carboxylic acids |
02/13/2003 | CA2456004A1 Process for the preparation of 5-substituted isobenzofurans |
02/12/2003 | EP1104414B1 Enantioselective synthesis |
02/11/2003 | US6518432 The invention relates to a novel process for the preparation of certain pharmaceutically active pyridyl compounds. NMDA receptor antagonist activity. The compound known as (S)-1-phenyl-2-(2- pyridyl)ethanamine is of particular |
02/11/2003 | CA2041818C Separation of enantiomers of cimaterol, (-)-cimaterol and the use thereof as pharmaceutical compositions or as performance enhancers |
02/05/2003 | EP1281707A1 Process for the preparation of 5-subtituted isobenzofurans |
02/05/2003 | EP1280759A1 Optically active 2-aminotetralin derivatives, the processes for the preparation thereof and the therapeutical use of pharmaceutical compositions containing them |
02/05/2003 | CN1394849A Acenaphthene derivative compound and its application |
02/04/2003 | US6514407 Chloro-, hydroxy- and alkoxysilane derivatives of polysaccharides or oligosaccharides, polymerizable and cross-linkable, their synthesis and their use as sources of novel support materials |
01/30/2003 | US20030022901 Serotonergic agents |
01/29/2003 | EP1192145A4 Process for preparing chiral cyclopropane carboxylic acids and acyl guanidines |
01/23/2003 | US20030018083 Methods of treating and preventing pain, anxiety, and incontinence using derivatives of (-)-venlafaxine |