| Patents for C07B 57 - Separation of optically-active organic compounds (3,737) |
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| 03/27/1997 | DE19535762A1 Verfahren zur Racematspaltung A process for the resolution of racemic |
| 03/26/1997 | EP0764652A1 Novel intermediates for the synthesis of bisphosphine compounds |
| 03/23/1997 | CA2185971A1 Intermediates for the synthesis of bisphosphine compounds |
| 03/19/1997 | EP0763513A2 Production of optically active 2-halo-1-(substituted phenyl)-ethanol and substituted styrene oxide |
| 03/19/1997 | EP0763010A1 Enantioselective preparation of optically pure albuterol |
| 03/11/1997 | US5610316 Process for the preparation of (-)-eserethole from mixtures of (-) and (+)-eserethole |
| 03/11/1997 | US5610144 Pyrrolidine and thiazolidine derivatives, their preparation and medicaments containing them |
| 03/05/1997 | EP0759904A1 Process and diastereomeric salts useful for the optical resolution of racemic alpha-[4-(1,1-dimethylethyl)phenyl]-4-(hydroxydiphenylmethyl)-1-piperidinebutanol and derivative compounds |
| 03/05/1997 | EP0591333B1 Azanorbornane derivatives |
| 03/04/1997 | US5608058 Processing for purifying crown compounds |
| 03/04/1997 | CA2020158C Process for the purification of (25,35)-2,3-dihydro-3- hydroxy-2-(4-methoxy-phenyl)-1, 5-benzothiazepin-4(5h)-one |
| 02/19/1997 | CN1143369A Process for preparing |L¨-or|D¨-homoalanin-4-YL-(methyl) phosphinic acid and its salts by racemic resolution |
| 02/18/1997 | US5604252 Substance p antagonist |
| 02/06/1997 | WO1997004011A1 Photochemically cross-linked polysaccharide derivatives having no photopolymerisable functional groups |
| 02/04/1997 | US5599969 Process of resolving phenylpropionic acids using α-methylbenzylamine |
| 02/04/1997 | US5599936 Isoindolinone derivative, preparation thereof and pharmaceutical compositions containing same |
| 02/04/1997 | US5599926 A4 B6 macrotricyclic enantioselective receptors for amino acid derivatives, and other compounds |
| 01/29/1997 | EP0755397A1 A process for the preparation and separation of diastereomeric salts of folinic acid |
| 01/29/1997 | EP0663897B1 Process for separating enantiomers from a racemic mixture |
| 01/21/1997 | CA1338867C Derivatives and precursors of captopril and its analogues and methods for preparing captopril and its analogues therefrom |
| 01/15/1997 | EP0752980A1 Substituted phenyl compounds and processes for preparing the same |
| 01/15/1997 | CN1140178A Use of new steroid compound for preparing medicaments |
| 01/15/1997 | CN1140059A Process for preparing pharmaceutical composition contg. new steroid compounds |
| 01/14/1997 | US5594133 Crystalline acid addition salts of diastereomerically pure 1-(2,2-dimethylpropinonyloxy)-ethyl-3-cephem-4-carboxylate |
| 01/08/1997 | EP0510168B1 Chiral hydantoin resolution |
| 12/24/1996 | US5587467 Crosslinked polysaccharide derivative immobilized on support, the surface of which is inactive to crosslinking reaction |
| 12/19/1996 | WO1996040617A1 Method of making (s)-3-(aminomethyl)-5-methylhexanoic acid |
| 12/18/1996 | EP0748325A1 Process for preparing [l]- or [d]-homoalanin-4-yl-(methyl)phosphinic acid and its salts by racemic resolution |
| 12/18/1996 | EP0748247A1 Macrocyclic antibiotics as separation agents |
| 12/17/1996 | CA2059103C Process for the preparation of (6s)- and (6r)-tetrahydrofolates |
| 12/11/1996 | EP0747348A1 Aminoalkylcyclopropane derivative |
| 12/05/1996 | WO1996033173A3 Process for preparing racemic and enantiomeric 1-(pyridyl)-2-cyclohexylethylamine |
| 12/03/1996 | US5580980 N-aminopyridone dyes |
| 11/28/1996 | WO1996037527A1 Molecularly imprinted beaded polymers and stabilized suspension polymerization of the same in perfluorocarbon liquids |
| 11/28/1996 | WO1996037465A1 Chiral isothiocyanates and their use as chiral derivatising agents |
| 11/21/1996 | WO1996036606A1 New process for the preparation of ropivacaine hydrochloride monohydrate |
| 11/21/1996 | WO1996036584A1 Process for resolving chiral acids with 1-aminoindan-2-ols |
| 11/21/1996 | CA2221375A1 Process for resolving chiral acids with 1-aminoindan-2-ols |
| 11/19/1996 | CA2080249C Preparation of substituted piperidines |
| 11/13/1996 | EP0742209A2 A process for producing an optically active quinolinemevalonolactone and a process for producing an optically active quinolinemevalonic acid salt |
| 11/13/1996 | EP0624152B1 Process for preparing ketone enantiomer |
| 11/12/1996 | US5574183 Stereoselective salt formation with n-alkyl-glucamine |
| 11/07/1996 | WO1996034842A1 Separation of alpha-arylpropionic acid ester diastereomers by distillation |
| 11/06/1996 | EP0586385B1 Enantiomer separating process on chiral separation phases by means of a continuous counter-current chromatography process |
| 11/05/1996 | US5571911 Cyclic oligopeptides |
| 11/05/1996 | US5571704 Process for the preparation of intermediates useful for the synthesis of benzothiazepines |
| 10/29/1996 | US5569657 (-)-[[4-(1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl)phenyl]-hydrazono]propanedinitrile |
| 10/24/1996 | WO1996033173A2 Process for preparing racemic and enantiomeric 1-(pyridyl)-2-cyclohexylethylamine |
| 10/24/1996 | CA2218480A1 Process for preparing racemic and enantiomeric 1-(pyridyl)-2-cyclohexylethylamine |
| 10/23/1996 | EP0738284A1 Polysaccharide derivatives and their use for preparing stationary chiral phases suitable for separating isomers |
| 10/23/1996 | EP0532515B1 Preparation of substituted piperidines |
| 10/09/1996 | EP0736509A2 Processes for preparing optically active alcohols and optically active amines |
| 10/09/1996 | EP0736045A1 Use of mono-3,6-anhydro-cyclodextrins for solubilising a hydrophobic compound and monitoring the purity of an enantiomer, and method for preparing said cyclodextrins |
| 09/25/1996 | EP0733047A1 Novel substituted oxazolidines |
| 09/24/1996 | US5559269 Anticholinergic agents |
| 09/19/1996 | WO1996028402A1 Stereoselective ring opening reactions |
| 09/17/1996 | US5556850 Bactericides |
| 09/12/1996 | WO1996027639A1 Process for the preparation of aromatic carbamoyl-substituted polysaccharide derivatives |
| 09/12/1996 | WO1996027615A1 Photochemically cross-linked polysaccharide derivatives as supports for the chromatographic separation of enantiomers |
| 09/11/1996 | EP0618896B1 Isomerisation process |
| 09/11/1996 | EP0592491B1 Ibuprofen resolution |
| 09/04/1996 | EP0729942A2 Method for recovering optically pure amino acid derivatives |
| 09/04/1996 | CN1130375A Separating agent for optical isomers |
| 08/28/1996 | EP0728736A1 Process for the preparation of optically active tert-leucinol and use thereof |
| 08/28/1996 | CN1129982A 分离剂 Separating agent |
| 08/14/1996 | EP0726264A1 Chromatographic resolution of stereoisomers of aliphatic epoxides using a polysaccharide |
| 08/13/1996 | US5545745 Dissolving mixture of methyl-5(2-(1,1-dimethylethyl)amino)-1-hyroxyethyl)-2-(phenyl -methoxy)benzoate and a chiral acid, salt formation, cooling, neutralizing salt with base, reduction, debenzylation |
| 08/08/1996 | WO1996023764A1 2-ARYL-2-ALKYL-φ-ALKYLAMINOALKANE NITRILE RACEMATE SEPARATION PROCESS |
| 08/06/1996 | US5543506 Polysaccharide derivative and separating agent |
| 08/01/1996 | WO1996022959A1 Preparation of optically active aliphatic carboxylic acids |
| 08/01/1996 | DE19502967A1 Verfahren zur Racemattrennung von 2-Aryl-2-omega-alkylaminoalkannitrilen A process for the resolution of racemic 2-aryl-2-omega-alkylaminoalkannitrilen |
| 08/01/1996 | CA2211265A1 Preparation of optically active aliphatic carboxylic acids |
| 07/30/1996 | US5541342 Separation of amino acids, amino-acid-based monomer, and process for the preparation thereof, as well as polymer material and process for the preparation thereof |
| 07/25/1996 | WO1996022272A1 Process for producing optically active 2-halogen propionic acids |
| 07/25/1996 | DE19501452A1 Verfahren zur Herstellung von optisch aktiven 2-Halogenpropionsäuren A process for preparing optically active 2-halopropionic acids |
| 07/25/1996 | CA2211024A1 Preparation of optically active 2-halopropionic acids |
| 07/17/1996 | EP0721446A1 Chiral surfactants and methods for their use in chiral separations |
| 07/16/1996 | US5536719 Nervous system disorders |
| 07/10/1996 | EP0720595A1 Method of resolution of two enantiomers by crystallization |
| 07/10/1996 | EP0626976B1 Preparation of surface-functional polymer particles |
| 07/04/1996 | WO1996020158A1 3,3-(disubstituted)cyclohexan-1-one monomers and related compounds |
| 07/04/1996 | CA2208501A1 3,3-(disubstituted)cyclohexan-1-one monomers and related compounds |
| 07/03/1996 | EP0719755A1 Process for the preparation of the enantiomers of 2-(2-fluoro-4-biphenyl)-propionic acid |
| 07/03/1996 | EP0719749A2 Process for separating optical isomers in a simulated moving bed system |
| 06/26/1996 | EP0718625A1 Separating agent |
| 06/26/1996 | EP0607274B1 3-(N-ISOPROPYL-N-n-PROPYLAMINO)-5-(N-ISOPROPYL)CARBAMOYLCHROMAN |
| 06/26/1996 | CN1125439A Enantiomers of 4-(5-fluoro-2,3-dihydro-1H-inden-2-yl)-1H-Imidazole |
| 06/11/1996 | US5525726 Process for the preparation of an antiviral agent |
| 05/28/1996 | US5521320 Process for the enantioselective synthesis of intermediates used in the preparation of physostigmine |
| 05/22/1996 | EP0700381A4 Process for the enantioselective synthesis of intermediates used in the preparation of physostigmine |
| 05/22/1996 | EP0539470B1 Neuromuscular blocking agents |
| 05/21/1996 | US5518625 Chiral separations by simulated moving bed chromatography operating at low k' values |
| 05/15/1996 | EP0711742A1 Separating agent for optical isomers |
| 05/08/1996 | CN1121921A New benzothiadiazine compound, process for its preparation and the pharmaceutical compositions which contain it |
| 05/07/1996 | US5514818 Resolution of stereoisomers of aliphatic epoxides |
| 05/07/1996 | US5514804 Dehydration and esterification with cyclization and salt formation |
| 05/02/1996 | WO1996012699A1 Crystallisation of levobupivacaine and analogues thereof |
| 05/02/1996 | WO1996012692A1 PROCESS FOR PRODUCING DERIVATIVES OF 4a,5,9,10,11,12,-HEXAHYDRO-6H-BENZOFURO[3a,3,2-ef][2]BENZAZEPINE |
| 04/30/1996 | US5512571 Diastereomeric intermediates which form levorotatorycardiotonic agents having high bioavailability |
| 04/25/1996 | WO1996011894A1 Process for separating enantiomers from a racemic mixture |