| Patents for C07B 57 - Separation of optically-active organic compounds (3,737) |
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| 06/24/1986 | US4596820 1,7-diphenyl-3-methylaza-7-cyano-8-methylnonane for use in the treatment of diseases |
| 05/28/1986 | EP0182279A1 Process for the optical resolution of racemic mixtures of alpha-naphtyl-propionic acids |
| 05/28/1986 | EP0182170A2 A process for the resolution of a racemate |
| 05/07/1986 | EP0180276A1 Dioxaphosphorinanes, their preparation and use for resolving optically active compounds |
| 04/15/1986 | US4582928 Resolving phenylalanine mandelic acid complex in acidic solution; isolating phenylalanine |
| 04/08/1986 | CA1202978A1 Material for resolution of optical isomers, its preparation and use |
| 04/01/1986 | US4579968 Rearranging aryl retals and hydrolysis of esters obtained to acids; adrotic dipolar dilvents |
| 03/19/1986 | EP0174358A1 Novel diastereomer salts of phenylalanine and n-acyl derivatives thereof and process for the separation of optically active phenylalanine and n-acyl derivatives thereof |
| 03/12/1986 | EP0173921A1 Process for the racemization of an alpha-amino acid |
| 02/19/1986 | EP0171894A1 Insecticidal enantiomeric pair of a phenoxybenzyl cyclopropanecarboxylate derivative, and process for its preparation |
| 02/19/1986 | EP0171616A1 The use of alpha-amino-epsilon-caprolactam as a resolving agent for N-acetylindoline-2-carboxylic acid and method for preparing optically active N-acetylindoline-2-carboxylic acid |
| 01/29/1986 | EP0169302A1 Process for the resolution of (+) 2-/2'-(p-fluorophenyl)-5'-benzoxazolyl/-propionic acid |
| 01/14/1986 | US4564708 Optical resolution of the racemic modification of 2,2'-bis(diphenylphosphino)-1,1'-binaphthyldioxide |
| 01/03/1986 | WO1986000066A1 N-substituted butyramide derivatives |
| 12/11/1985 | EP0164026A1 Process for the preparation of optically active glycine derivatives |
| 12/04/1985 | EP0163094A2 Preparation of optically-active alpha-substituted phenylacetic acids |
| 11/26/1985 | US4555574 Main unit of polymer useful as separating agent |
| 11/06/1985 | EP0160451A2 Dihydropyridine-3,5-dicarboxylic acid ester derivative isomers, their preparation, and pharmaceutical compositions containing them |
| 11/05/1985 | US4551548 Process for the recovery of S-(carboxymethyl)-(R)-cysteine and S-(carboxymethyl)-(S)-cysteine |
| 10/23/1985 | EP0158913A2 Process for the preparation of optically active alpha-arylalkanoic acids and intermediates thereof |
| 10/23/1985 | EP0158884A2 Separation agent comprising 1,3-glucan |
| 10/16/1985 | EP0158301A2 Process for producing optically active phenylalanine |
| 10/16/1985 | EP0158255A2 Optically active ketals, processes for their preparation and their use in the synthesis of apha-arylakanoic acids |
| 10/09/1985 | EP0157365A2 Separation agent comprising polysaccharide carbamate |
| 10/09/1985 | EP0157364A2 Separation agent comprising aliphatic or aromatic ester of polysaccharide |
| 10/09/1985 | EP0157315A2 Optically active di(3-chlor-2-oxypropyl-trimethyl-ammonium) tartrate |
| 10/08/1985 | US4546201 Using 1-phenylethylamine andf chloroform; efficiency |
| 10/02/1985 | EP0156382A2 Separation agent comprising acyl-or carbamoyl-substituted polysaccharide |
| 10/01/1985 | US4544508 Process for the preparation of certain enantiomeric pairs of α-cyano-3-phenoxy-4-fluoro-benzyl permethrate |
| 09/25/1985 | EP0155637A2 Separation agent |
| 09/25/1985 | EP0155518A2 S(-)-celiprolol, pharmaceutically acceptable salts, preparation and pharmaceutical compositions |
| 09/17/1985 | US4542236 Process for preparing optically active phenylalanine |
| 09/12/1985 | WO1985003932A1 Novel diastereomer salts of phenylalanine and n-acyl derivatives thereof and process for the separation of optically active phenylalanine and n-acyl derivatives thereof |
| 09/10/1985 | US4540797 Acxid hydrolysis of diastereomeric ethers |
| 09/04/1985 | EP0153701A1 Process for the preparation of optically active alpha-arylalkanoic acids |
| 08/20/1985 | US4536601 Use for resolution of d-3-acethylthio-2-methylpropionic acid |
| 08/20/1985 | CA1192193A1 Epimerization of malonic acid esters |
| 08/07/1985 | EP0150849A2 Agent for separation |
| 08/07/1985 | EP0150221A1 Packing for use in separation |
| 08/06/1985 | US4533506 Resolution of amino acids |
| 07/31/1985 | EP0150006A1 Process for the preparation of certain enantiomeric pairs of the alpha-cyano-3-phenoxy-4-fluoro-benzylester of permethrinic acid |
| 07/31/1985 | EP0149885A2 Method of resolving a racemic mixture |
| 07/23/1985 | CA1190942A1 Ethers of phenol active on the cardiovascular system, process for preparing same and use thereof in drugs |
| 07/23/1985 | CA1190939A1 Process for the preparation of the d-2-(6-methoxy-2- naphthyl)-propionic acid |
| 07/10/1985 | EP0147707A2 1,7-Diphenyl-3-methylaza-7-cyano-8-methylnonane useful in combating diseases |
| 07/03/1985 | EP0146935A2 Processes and intermediates for making 16-phenoxy- and 16-substituted phenoxy- prostatrienoic acid derivatives and their stereoisomers |
| 06/26/1985 | EP0146443A1 (-)-1-(2-Fluorophenyl)-2-tertiobutylamino-1-ethanol and therapeutical use |
| 06/26/1985 | EP0146080A2 Process for the racemic separation of bicyclic alpha-imino carboxylic-acid esters |
| 06/26/1985 | EP0145840A1 Monoester of celiprolol comprising optically active, disubstituted tartaric acids, their preparation and use |
| 06/18/1985 | US4524223 Resolution of alcohols using amino acids |
| 06/05/1985 | EP0143371A1 Process for the optical resolution of racemic mixtures of alpha-naphthyl-propionic acids |
| 05/28/1985 | US4519955 Salt formation and solubility differences |
| 05/22/1985 | EP0142191A2 A process for isolating levamisole from tetramisole |
| 04/16/1985 | US4511475 Optically active polymer preparation and use |
| 04/02/1985 | US4508919 Resolution with n-(1-formamido)-2,2,2-trichloroethylpiperazine |
| 03/27/1985 | EP0135162A2 Tartric acid monoesters of optically active aminoalcohols, process for their preparation and their use |
| 03/20/1985 | EP0134303A1 Menthyl 2,2-dimethylcyclopropanecarboxylate and resolution of the same |
| 03/12/1985 | US4504658 Epimerization of malonic acid esters |
| 02/14/1985 | WO1985000661A1 Packing for use in separation |
| 02/13/1985 | EP0133053A1 Process for preparing optically active phenylalanine |
| 02/13/1985 | EP0132854A2 Process for the optical resolution of (+/-) 2-(6'-methoxy-2'-naphthyl)-propionic acids |
| 02/05/1985 | US4497960 Chiral, optically active compounds useful as protective groups for hydroxy, thiol and amino compounds |
| 01/30/1985 | EP0132373A1 A neutral amino acid complex and a method for optical resolution of a DL-amino acid |
| 01/22/1985 | CA1181430A1 (-) - n-methyl-3-(2-methylphenox)-3-phenylpropylamine, antidepressant |
| 12/19/1984 | EP0128886A2 Separation material, methods of producing a separation material and use of orosomucoid, functional analogs thereto or derivatives or fragments thereof for separation purposes |
| 12/11/1984 | US4487956 Intemediates for insecticides enzyme inhibitors |
| 10/17/1984 | EP0121776A1 Resolving agent |
| 10/17/1984 | EP0121618A1 A method for the resolution of racemic amino acids |
| 10/02/1984 | US4474960 Vasodilation |
| 09/26/1984 | EP0119804A1 Novel method for optical resolution of DL-alpha-amino acid or (+)-alpha-phenylethanesulfonic acid |
| 09/26/1984 | EP0119463A1 Process for the separation of isomers of substituted cyclopropanecarboxylic acids |
| 09/25/1984 | US4473690 Organic polymers of methacrylate esters |
| 09/19/1984 | EP0118934A1 Optically active alpha-azido-p-hydroxyphenylacetic acid and its salts, and the preparation thereof |
| 09/12/1984 | EP0118257A1 Optical resolution of 2,2'-bis(diphenylphosphino)-1,1'-binaphthyldioxide |
| 09/04/1984 | US4469875 Separation of enantiomers by liquid chromatography |
| 08/21/1984 | US4467102 Optically active propargyl alcohol derivative and a method for preparation of the same |
| 08/08/1984 | EP0115345A1 Process for the resolution of racemic optically active bicyclic imino-alpha-carboxylic acid esters and use of the compounds obtainable in this way for the synthesis of carboxyalkyl dipeptides |
| 07/31/1984 | US4463176 Regeneration of separated chiral isocyanate-treated adrenergic blocking agents using hydrazine hydrate and a keto acid |
| 07/04/1984 | EP0112606A1 Threo-adrenalinecarboxylic acid, processes for the production thereof, and pharmaceutical compositions thereof |
| 06/12/1984 | US4454344 Method for the resolution of racemic 2-(p-difluoromethoxyphenyl)-3-methylbutyric acid |
| 05/23/1984 | EP0108813A1 Grafted chromatographic filler and method for analyzing enantiomer mixture using same |
| 05/09/1984 | EP0107972A1 A method for optical resolution of alpha-isopropyl-p-chlorophenylacetic acid |
| 04/18/1984 | EP0105696A1 Optically active N-substituted phenylalaninols and use therefor |
| 03/06/1984 | US4435426 Ethers of phenol active on the cardiovascular system, process for preparing same and use thereof in drugs |
| 02/28/1984 | US4434107 Process for preparing an optically active p-hydroxyphenylglycine or a salt thereof |
| 02/21/1984 | US4432908 Crystal of enantiomer pair of phenylacetic acid ester derivative and process for obtaining a mixture of stereoisomers of the derivative |
| 02/21/1984 | CA1162560A1 Process for preparing cyclopropane carboxylic acid ester derivatives |
| 02/07/1984 | US4430509 Condensation with monosaccharide, splitting ring |
| 01/24/1984 | US4427598 Process for preparing cyclopropane carboxylic acid ester derivatives |
| 01/18/1984 | EP0098707A1 Material for resolution of optical isomers, its preparation and use |
| 01/18/1984 | EP0098545A1 Epimerization of malonic acid esters |
| 01/03/1984 | CA1159833A1 Process for the optical resolution of mixtures of d- and 1-2-(6methoxy-2-naphthyl)-propionic acids |
| 12/27/1983 | US4423244 Process for the preparation of the d-2-(6-methoxy-2-naphthyl)-propionic acid |
| 11/24/1983 | WO1983004103A1 Grafted chromatographic filler and method for analyzing enantiomer mixture using same |
| 11/22/1983 | US4416828 Process for the resolution of the racemate S-(carboxymethyl)-(RS)-cysteine (A) |
| 11/22/1983 | US4416827 Carboxymethyl cysteine, solvent extraction |
| 11/15/1983 | US4415504 p-Hydroxyphenylglycine.α-phenylethanesulfonate, process for production thereof and utilization thereof in resolution of p-hydroxyphenylglycine |
| 10/25/1983 | US4411840 Process for the resolution of the racemate S-(carboxymethyl)-(RS)-cysteine (B) |
| 10/12/1983 | EP0090866A1 Optical resolution process for DL-cysteine |
| 10/05/1983 | EP0090087A1 Process for the production of S-(carboxymethyl)-R-cysteine and S-(carboxymethyl)-S-cysteine |