| Patents for C07B 57 - Separation of optically-active organic compounds (3,737) |
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| 08/24/1983 | EP0086258A1 Process for separating the (R,S) racemate of cysteine |
| 08/16/1983 | US4399284 Process for the optical resolution of mixtures of D- and L-2-(6-methoxy-2-naphthyl)-propionic acids |
| 08/03/1983 | EP0085023A1 Process for the separation of enantiomers by partition between liquid phases |
| 08/02/1983 | CA1151211A1 Phenylalkylaminoethylsalicylamide, its preparation and pharmaceutical compositions containing it |
| 07/06/1983 | EP0083335A1 Optically active chiral compounds, process for their preparation and use of these compounds in the protection of functional -OH, -SH, -NH- groups, in the separation of racemates, in the preparation of optically active imidoester hydrochlorides and of optically active esters, in the preparation of optically enriched alcohols and in the preparation of optically active compounds by asymmetric induction |
| 06/28/1983 | US4390722 Crystallization from supersaturated solution using amino acid as as crystal inhibitor |
| 06/22/1983 | EP0082049A2 Ethers with chiral atoms in the organic rest groups, their preparation, their use in the resolution of alcohols or of certain hemiacetals, and compounds so resolved |
| 05/31/1983 | US4386205 Brucine salt of hemiphthalate |
| 05/24/1983 | US4385186 Optically active 4-hydroxy-3-methyl-2-(2-propynyl)-2-cyclopentenone |
| 05/04/1983 | EP0078145A1 Resolution of racemic 5-phenyl-2-pentanol |
| 04/26/1983 | CA1145353A1 MIXTURE OF STEREOISOMERS OF .alpha.-CYANO-3-(4- HALOGENOPHENOXY)-BENZYL 2-(4-CHLOROPHENYL) ISOVALERATE, A PROCESS FOR PRODUCING THE SAME, AND A COMPOSITION CONTAINING THE SAME |
| 03/30/1983 | EP0075318A2 p-Hydroxyphenylglycine alpha-phenylethanesulfonate, process for production thereof and utilization thereof in resolution of p-hydroxyphenylglycine |
| 03/23/1983 | EP0074856A2 Resolution of racemic bicycloheptenones |
| 03/08/1983 | US4376213 Method for optical resolution of 2-(4-chlorophenyl)-3-methylbutanoic acid |
| 03/08/1983 | CA1142548A1 Process for the separation of the two optical isomers of moprolol and pharmaceutical compositions of the levorotatory antipode thereof |
| 03/02/1983 | EP0073054A1 Process for the resolution of the racemate (1RS,2SR)-2-amino-1-phenyl-propan-1-ol |
| 03/02/1983 | EP0073053A1 Process for the resolution of the racemate S-(carboxymethyl)-(RS)-cysteine (B) |
| 03/02/1983 | EP0073052A1 Process for the resolution of the racemate S-(carboxymethyl)-(RS)-cysteine (A) |
| 03/01/1983 | US4375495 Triphenylmethyl methacrylate, helices |
| 02/15/1983 | US4374257 Novel ethers containing a lactone group and a chiral atom |
| 01/19/1983 | EP0070114A1 A process for preparing an optically active p-hydroxyphenyl-glycine or a salt thereof |
| 01/05/1983 | EP0068290A1 Optically active polymers of methacrylate esters |
| 12/15/1982 | EP0067106A1 Phenol ethers active on the cardiovascular system, process for their preparation and their use in medicines |
| 12/01/1982 | EP0065867A1 Optical resolution of DL-cysteine |
| 11/30/1982 | CA1136636A1 Process for producing optically active 2- (2',2'-dihalovinyl)-cyclopropane-1- carboxylic acids substituted in the 3-position, and derivatives thereof, as well as novel 4-(2',2', 2'-trihaloethyl)-cyclobutane-1-sulfonic acid salts |
| 11/16/1982 | CA1135717A1 Process for the resolution of d,1 2-(6- methoxy-2-napthyl) propionic acid |
| 09/22/1982 | EP0060580A1 Crystalline phenylacetate enantiomer pair, and preparation of a pesticidal enantiomer pair |
| 09/22/1982 | EP0060466A1 Method for optical resolution of 2-(4-chlorophenyl)-3-methyl-butanoic acid |
| 09/21/1982 | US4350642 Process for preparation of a pesticidal phenylacetate enantiomer pair |
| 09/14/1982 | CA1131660A1 METHOD FOR RESOLVING RACEMIC 6-METHOXY-.alpha.-METHYL-2-NAPHTHALENEACETIC ACID INTO ITS ENANTIOMERS |
| 08/24/1982 | US4346045 Process for resolving DL-S-benzoyl-β-mercaptoisobutyric acid, and products obtained |
| 08/24/1982 | CA1130311A1 PROCESS FOR THE TRANSFORMATION OF AN ESTER OF CHIRAL ACID AND OF AN OPTICALLY ACTIVE .alpha.-CYANATED SECONDARY ALCOHOL OF (R) STRUCTURE TO AN ESTER OF CHIRAL ACID AND OF AN .ALPHA.-CYANATED SECONDARY ALCOHOL OF (S) STRUCTURE |
| 08/17/1982 | US4345090 Esterification |
| 08/17/1982 | US4344895 Process for the preparation of (S) α-cyano-3-phenoxy-benzyl alcohol |
| 07/20/1982 | US4340751 Method of optical resolution of (±)-2-amino-1-butanol and/or (±)-mandelic acid |
| 07/20/1982 | CA1128058A1 Process for the preparation of ethers with organic residues carrying chiral atoms and application to dividing alcohols, phenols and lactonic structure compounds |
| 07/06/1982 | CA1127183A1 Resolution process for dl-cis and dl-trans-2,2- dimethyl-3-(2',2'-dihalovinyl) cyclopropane-1-carboxylic acids |
| 07/06/1982 | CA1127180A1 Splitting in two method for dl cis and dl trans chrysanthemic acid |
| 06/29/1982 | US4337352 Salt formation with optically active amine |
| 06/15/1982 | US4335057 4-(2',2,2'-Trihalogenoethyl)-cyclobutane-1-sulfonic acid salts with optically active bases |
| 06/09/1982 | EP0053500A2 Mixed stereoisomers of fenvalerate |
| 06/08/1982 | CA1125310A1 Process for the preparation of optically active substituted benzyl alcohol |
| 05/26/1982 | EP0052492A1 3-Aryloxy-3-phenylpropylamines |
| 05/18/1982 | US4330484 Diastereomeric salts of malic acid and 2-aminobutanol, and process for the resolution of rademis maic acid |
| 05/04/1982 | US4328173 Salt formation with an ephedrine-type base in an organic solvent followed by acid hydrolysis |
| 02/09/1982 | CA1117977A1 Process for manufacturing d camphorate of l carnitinamide and d camphorate of d carnitinamide |
| 02/03/1982 | EP0044984A1 Process for the optical resolution of mixtures of d- and l-2-(6-methoxy-2-naphthyl)-propionic acids, the cinchonidine salt of d-2-(6-methoxy-2-naphthyl)-propionic acid and the preparation thereof |
| 12/22/1981 | US4307251 Preparation of optically active allethrolone |
| 12/02/1981 | EP0040991A1 Preparation of insecticidal mixture of stereoisomers of alpha-cyano-3-phenoxybenzyl isovalerates |
| 12/01/1981 | US4303585 3-Oxa-bicyclo (3,1,0)-hexan-2-one intermediates |
| 11/10/1981 | US4299967 Insecticides |
| 10/13/1981 | US4294766 Preparation of pure potassium ribonate and ribonolactone |
| 10/13/1981 | CA1110653A1 Optical resolution of amino acids into optical antipodes |
| 10/13/1981 | CA1110639A1 Process for producing optically active bases |
| 09/23/1981 | EP0036265A1 Method of optical resolution of (+/-)-2-amino-1-butanol and/or (+/-) -mandelic acid |
| 09/16/1981 | EP0035811A1 Process for resolving DL-S-benzoyl-beta-mercaptoisobutyric acid, and products obtained by applying this process |
| 08/26/1981 | EP0034337A2 A process for the optical resolution of a racemic mixture |
| 08/11/1981 | US4283559 Process for the manufacture of cyclohexene derivatives |
| 07/28/1981 | CA1105942A1 Preparation of therapeutic agents |
| 07/21/1981 | US4279924 Mixture of stereoisomers of α-cyano-3-(4-halogenophenoxy)benzyl 2-(4-chlorophenyl)isovalerate, a process for producing the same, and a composition containing the same |
| 06/24/1981 | EP0030871A1 Method of optical resolution of (+/-)-phenyl glycin and/or (+/-)-camphor sulfonic acid |
| 06/16/1981 | US4273727 (S) α-Cyano-3-phenoxy-benzyl alcohol |
| 05/12/1981 | US4267320 Cephalosporin antibiotics |
| 05/05/1981 | US4265817 Novel chiral ethers and their use in resolution of alcohols and phenols |
| 04/01/1981 | EP0025841A1 Diastereomeric salts of malic acid and 2-amino-1-butanol and process for the scission of racemic malic acid |
| 03/31/1981 | CA1098541A1 Process for the resolution of racemic alpha- aminonitriles |
| 03/31/1981 | CA1098540A1 Process for the resolution of racemic alpha- aminonitriles |
| 03/24/1981 | US4257976 Resolution process using L or D N-methyl-ephedrine |
| 03/10/1981 | CA1097369A1 No translation available |
| 03/03/1981 | US4254053 Process for manufacturing D camphorate of L carnitinamide and D camphorate of D carnitinamide |
| 02/18/1981 | EP0023959A1 Method of preparing optically active 4-hydroxy-3-methyl-2-(2-propynyl)-2-cyclopentenolone and intermediates therefor and the compounds thus obtained |
| 01/28/1981 | EP0022972A1 Menthyl esters, process for their preparation and their use in enantiomer separation of chiral carboxylic acids |
| 01/27/1981 | CA1094545A1 Cephalosporin antibiotics |
| 01/21/1981 | EP0022529A1 Process for the resolution of d,l 2-(6-methoxy-2-naphthyl)propionic acid; a mixture of the salts of these d and l acids; a pharmaceutical composition containing a salt of the d acid; a salt of the d acid |
| 01/20/1981 | US4246164 Process for the resolution of (+)- and (-)-6-methoxy-α-methyl-2-naphthaleneacetic acid |
| 01/07/1981 | EP0021926A1 Process for the preparation of optically active allethrolone |
| 11/11/1980 | US4233456 Reaction of aminophenylacetonitrile with tartaric acid in the presence of an alkanol |
| 10/07/1980 | US4226803 Process for production of optically active bases |
| 09/23/1980 | US4224457 Process for manufacturing optically active sulfur-containing carboxylic acid |
| 09/23/1980 | US4224239 Process for preparing optically active amino acid or mandelic acid |
| 09/17/1980 | EP0015418A1 Process for the separation of the two optical isomers of 1-(o-methoxyphenoxy)-3-isopropylamino-propan-2-ol, optical isomers obtained thereby and pharmaceutical compositions of the levorotatory antipode thereof |
| 06/25/1980 | EP0012722A1 Process for the preparation of optically active 3-substituted 2-(2',2'-dihalovinyl)-cyclopropane-1-carboxylic acids and their derivatives; 4-(2',2',2'-trihaloethyl)-cyclobutane-1-sulphonic acid salts and their preparation |
| 06/25/1980 | EP0012298A1 Process for the preparation of pure potassium ribonate and pure ribonolactone |
| 04/16/1980 | EP0009702A1 A phenylalkylaminoethylsalicylamide, its preparation and pharmaceutical compositions containing it |
| 04/15/1980 | US4198524 Optically active amino acid-mandelic acid complexes |
| 02/26/1980 | US4190592 Ion exchanging |
| 02/19/1980 | CA1072120A1 Nopinylamines |
| 02/05/1980 | US4187244 Process for the resolution of racemic alpha-aminonitriles |
| 01/23/1980 | EP0007116A1 Method for resolving racemic 6-methoxy-alpha-methyl-2-naphthalene acetic acid into its enantiomers and resolving medium |
| 01/15/1980 | US4183865 Process for the resolution of racemic α-aminonitriles |
| 01/09/1980 | EP0006187A1 Separation of enantiomers of chiral carboxylic acids |
| 01/08/1980 | US4182899 Optical resolution of amino acids into optical antipodes |
| 12/12/1979 | EP0005748A2 Process for the preparation of cyclohexenyl derivatives, and intermediates produced in the synthesis |
| 10/23/1979 | CA1064943A1 Optical resolution of 1-t-butylamino-2,3-dihydroxypropane |
| 10/23/1979 | CA1064920A1 Process for the preparation of optically active anthracyclinones |
| 10/03/1979 | EP0004493A1 Ethers whose organic moieties have asymmetric atoms, methods for their preparation and their use for the resolution of alcohols, phenols or certain compounds with a lactone structure |
| 09/18/1979 | CA1062726A1 Resolution of alkyl esters of dl-phenylalanine |
| 09/18/1979 | CA1062717A1 1-aryloxy-2-hydroxy-3-alkinylaminopropanes and processes for production thereof |
| 09/11/1979 | US4167522 Guanidine pantoate |
| 06/13/1979 | EP0002289A1 Process for converting a stereoisomeric ester into its diastereoisomer; crystalline (-)-S-alpha-cyano-3-phenoxybenzyl (+)-S-alpha-isopropyl-4-chlorophenylacetate |