| Patents for C07B 57 - Separation of optically-active organic compounds (3,737) |
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| 07/19/1994 | US5331008 Thioester enantiomeric compounds and their therapeutic uses |
| 07/07/1994 | WO1994014746A1 Process for separating the ortho- and para- isomers of hydroxymandelic acid or a salt thereof, the isomers thus obtained, the use of the ortho-isomer for the preparation of eddha |
| 07/07/1994 | WO1994014742A1 Tri-substituted phenyl derivatives as phosphodiesterase inhibitors |
| 07/06/1994 | EP0604857A1 Process for preparing optically active 4-mercapto-2-pyrrolidone derivative and intermediate therefor |
| 07/06/1994 | EP0544740B1 Process for transforming (benzoyl-3 phenyl)-2 propionic acid into an s(+) isomer |
| 07/05/1994 | US5326878 Method for the resolution of chiral hydantoins |
| 06/28/1994 | US5324836 Process for the preparation of (6S)- and (6R)-tetrahydrofolic acid |
| 06/15/1994 | EP0601851A1 Optical resolution method of a nicotine derivate |
| 06/14/1994 | US5321154 Using optically active phenyl amine-type compound as a resolvi resolving agent |
| 06/09/1994 | WO1994012460A1 Process for preparing substantially pure enantiomers of phenylpropionic acids |
| 06/09/1994 | WO1994012451A1 SELECTIVE PRECIPITATION OF α-ARYL CARBOXYLIC ACID SALTS |
| 06/09/1994 | WO1994012275A1 Chiral adsorbents and preparation thereof as well as compounds on which the adsorbents are based and preparation of these compounds |
| 06/08/1994 | EP0600460A1 Process for the preparation of 6(S)-5,6,7,8-tetrahydrofolic acid |
| 06/01/1994 | EP0598765A1 Novel 2-amino naphthyridine derivative, its preparation and use. |
| 05/26/1994 | WO1994011364A1 Process for preparing enantiomerically pure 6-[(4-chlorophenyl)(1h^_-triazol-1,2,4-triazol-1-yl)methyl]-1-methyl-1h^_-benzotriazole |
| 05/26/1994 | WO1994011337A1 Novel 3,3-diphenylpropylamines, their use and preparation |
| 05/26/1994 | CA2148489A1 Process for preparing enantiomerically pure 6-¬(4-chlorophenyl)(1h-1,2,4-triazol-1-yl) methyl|-1-methyl-1h |
| 05/24/1994 | US5315005 Process for the single crystallization of enatiomeric ratio's (2S,3S):(2R,3R) of substituted 1,5-benzothiazepinone |
| 05/18/1994 | CN1024550C Optical resolution method for 3R-(3-carboxybenzyl)-6-(5-fluoro-2-benzothiazolyl) methoxy-4R-chromanol |
| 05/11/1994 | DE4324636A1 Immobilised CHIRASIL-DEX for separation or detection processes - having cyclodextrin bonded to polymer chain and immobilised on smooth or porous carrier |
| 05/10/1994 | US5310911 Chiral synthesis for producing 1-azabicyclo(2.2.1)heptane-3-carboxylates |
| 05/05/1994 | DE4236935A1 Anisotropic porous network with accurately controlled pore size - contg. acryloyl:oxy-benzoyloxy-phenyl acrylate and liquid crystalline cpds., useful in liquid chromatography and membrane prodn. |
| 04/28/1994 | WO1994008937A1 Enantiomeric resolution |
| 04/28/1994 | WO1994008936A1 Enantiomeric resolution |
| 04/28/1994 | WO1994008935A1 Enantiomeric resolution |
| 04/28/1994 | WO1994008934A1 Enantiomeric resolution |
| 04/28/1994 | CA2146781A1 Enantiomeric resolution |
| 04/28/1994 | CA2146780A1 Enantiomeric resolution |
| 04/28/1994 | CA2146778A1 Enantiomeric resolution |
| 04/28/1994 | CA2146777A1 Enantiomeric resolution |
| 04/27/1994 | EP0593639A1 Pyrrolidine and thiazolidine derivatives, preparation thereof and drugs containing same. |
| 04/27/1994 | EP0515541B1 METHOD FOR PREPARING CIS-$g(b)-PHENYLGLYCIDIC-(2R,3R) ACID |
| 04/26/1994 | US5306826 Mixing mixture of Schiff bases of amides or amides and aldehyde, solvent, optically active acid, water to form salt, separating diastereomers, converting salt to amide |
| 04/26/1994 | US5306561 Polymerizing an unsaturated monomer in an aqueous dispersion of soluble polymer particles swollen with an emusified unsaturated monomer; chromatography separation; water purification |
| 04/20/1994 | EP0592491A1 Ibuprofen resolution. |
| 04/14/1994 | WO1994007814A1 Process for separating enantiomers from a racemic mixture |
| 04/14/1994 | CA2146553A1 Process for separating enantiomers from a racemic mixture |
| 04/12/1994 | US5302751 Profen resolution |
| 04/12/1994 | US5302633 Polymerizing a vinyl substituted polysaccharde on a porous support |
| 04/12/1994 | CA1328463C 9-anthrylalkyl compounds, their preparation and their use |
| 04/06/1994 | EP0590685A1 Process for optical resolution of (+)-cis-4-aminocyclopent-2-en-1-carboxylic acid derivative |
| 04/05/1994 | US5300505 Stable salts of 5,10-methylenetetrahydrofolic acid |
| 03/31/1994 | WO1994006747A1 Resolution of ketoprofen |
| 03/31/1994 | WO1994006743A1 Analogues of vpa used as anti-epileptica |
| 03/31/1994 | CA2144419A1 Vpa-analogous antiepileptic agents |
| 03/30/1994 | EP0589488A1 (-)-Cimaterol and its use as a medicament or growth promoter |
| 03/29/1994 | US5298660 Compound containing an assymetrical carbon atom |
| 03/29/1994 | US5298642 High performance liquid chromatography |
| 03/29/1994 | US5298511 Alkanoic acid derivatives |
| 03/22/1994 | US5296618 Method for the manufacture of the derivatives of propionic acid |
| 03/22/1994 | US5296509 Thioester enantiomeric compounds and their therapeutic uses |
| 03/17/1994 | DE4231085A1 VPA-analoge Antiepileptika VPA-analog antiepileptic drugs |
| 03/16/1994 | EP0586385A1 Enantiomer separating process on chiral separation phases by means of a continuous counter-current chromatography process. |
| 03/08/1994 | US5292933 Process for the resolution of threo-3-[(2-aminophenyl)-thio]-2-hydroxy-3-(4-methoxy-phenyl)propionic acid |
| 03/08/1994 | US5292924 Optically active N-α-fluoroacryloylamino acid polymers for the resolution of racemates |
| 03/08/1994 | US5292753 Separation of enantiomers of cimaterol, (-)-cimaterol and the use thereof in pharmaceutical compositions and animal feeds |
| 03/02/1994 | EP0584664A1 Polymerizable dipeptides: preparation, polymerization and use of polymers for the chromatographic separation of enantiomers |
| 03/02/1994 | EP0584108A1 Pharmaceutical composition comprising ibuprofen salt |
| 03/01/1994 | US5290957 Baccatin derivatives, antitumor and antileukemia agents |
| 03/01/1994 | US5290955 Multistage process with resolution, lactonization, reduction and dehydration |
| 03/01/1994 | US5290440 Aromatic amide immobilized on support or forming part of a mobile phase |
| 02/26/1994 | CA2104510A1 Polymerisable dipeptides: synthesis, polymerisation and use of the polymers for chromatographic separation of enantiomers |
| 02/23/1994 | EP0583591A2 Process for the preparation of oxiranalcohols of high enantiomeric purity |
| 02/22/1994 | US5288916 Enantiomeric resolution of 4-(3,4-dichlorophenyl)-3,4-dihydro-1(2H)-naphthalenone |
| 02/22/1994 | US5288900 Crystallization of optical isomers of leukotriene antagonists using (R)-4-nitro-α-methylbenezenemethonamine |
| 02/22/1994 | US5288702 Ethyl (1R,6S)-2,2,6-trimethylcyclohexanecarboxylate, aroma chemical composition containing the same and process of producing the same |
| 02/17/1994 | WO1994003457A1 A process for the preparation of (-)-eserethole from mixtures of (-) and (+)-eserethole |
| 02/16/1994 | EP0582579A1 N-aminopyridone dyes. |
| 02/09/1994 | CN1081669A Compounds for the treatment of nemodegenerative disorders |
| 02/09/1994 | CN1023703C Method of resolving cis-3-amino-4-|2-(2-furyl) eth-1-Y1¨-1-methoxycarbonyl methyl-azet idin-2-one |
| 02/08/1994 | US5284953 Treatment and prevention of hyperlipemia and arteriosclerosis |
| 02/03/1994 | WO1994002226A1 Phosphorylation with monomeric metaphosphates |
| 01/25/1994 | US5281750 Chiral polymers for the production of excess enantiomers |
| 01/25/1994 | US5281722 Preparation and use of salts of the pure enantiomers of alpha-lipoic acid |
| 01/18/1994 | US5280041 Methyldioxolan |
| 01/11/1994 | US5278337 Reacting acid enriched with one of its enantiomers with optically inactive organic base to form salt with specified eutectic characteristics, treating salt with inert solvent, separating salt of pure enantiomer of acid |
| 01/06/1994 | WO1994000455A1 Enantioselective receptor for amino acid derivatives, and other compounds |
| 01/06/1994 | WO1994000408A1 High performance chiral selector |
| 01/05/1994 | EP0577079A1 Simulated moving bed separation system |
| 01/05/1994 | EP0576949A1 Optically active amino acid sulphoxide and sulphone derivatives, their preparation, their polymerisation and use as adsorbents for chromatograpic separation of racemates |
| 01/04/1994 | US5276214 Optically active biphenyl derivative and process for optical resolution |
| 01/04/1994 | US5276155 Crystallization |
| 12/28/1993 | US5274125 Chirale phosphines |
| 12/14/1993 | CA1325225C Process for the production of optically-active beta-methylcholine |
| 12/07/1993 | US5268442 Chromatography separation |
| 12/07/1993 | US5268098 Separation agent comprising aliphatic or aromatic ester of polysaccharide |
| 11/30/1993 | USRE34457 Separating agent |
| 11/25/1993 | WO1993023394A1 Method for producing s-timolol |
| 11/24/1993 | EP0570454A1 Novel steroids |
| 11/23/1993 | US5264577 Cyclic amino acids and derivatives thereof |
| 11/18/1993 | EP0569992A2 Method for the preparation of optically active derivatives of epoxypropionic acid |
| 11/11/1993 | WO1993022269A1 Process for the preparation of 3(s)-methylheptanoic acid and intermediates therefor |
| 11/11/1993 | CA2134093A1 Process for the preparation of 3(s)-methylheptanoic acid and intermediates therefor |
| 11/09/1993 | US5260482 Salt formation, separation |
| 10/28/1993 | WO1993021176A1 Novel cyclic amino acids and derivatives thereof |
| 10/27/1993 | EP0567438A1 Optically pure cis-oxalato(trans-l-1,2-cyclohexanediamine)Pt(II) and process for resolving optical isomers of a platinum complex compound |
| 10/26/1993 | US5256816 Enantiomeric resolution |
| 10/26/1993 | US5256803 Process for the preparation of (2R,3R)-cis)-β-phenylglycidic acid |
| 10/26/1993 | US5256293 Separation of enantiomers of non-steroidal anti-inflammatory drugs and chiral selector therefor |
| 10/20/1993 | EP0565969A1 Tricyclic lactols, their use as resolving agents and processes for their production |