| Patents for C07B 53 - Asymmetric syntheses (6,231) |
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| 06/15/1988 | EP0270596A1 A stereoconservative synthesis of 1-substituted (s)- and (r)-2-aminomethylpyrrolidines and intermediates thereto |
| 06/07/1988 | US4749809 Optically active borane complex and a method for producing an optically active alcohol derivative by the use thereof |
| 05/17/1988 | US4745218 Process for the enantioselective production of α-vinyl-α-aminocarboxylic acids |
| 03/30/1988 | EP0261336A2 Process for the preparation of pure enantiomers of R-(+)-alpha-lipoic acid and S-(-)-alpha-lipoic acid (thioctic acid), and nonene or mesyl derivatives as intermediates therefor |
| 03/29/1988 | US4734507 Optically active ketals, processes for their preparation and their use in the synthesis of alpha-arylalkanoic acids |
| 03/22/1988 | US4732999 Optically-active di-[3-chloro-2-oxy-propyltrimethylammonium]-tartrate |
| 03/22/1988 | US4732709 Racemic resolution |
| 03/15/1988 | US4731455 Process for the preparation of gamma-butyrolactams |
| 03/15/1988 | CA1234143A1 Process for preparing 2-(4-hydroxyphenoxy)alkanoic acid compounds |
| 03/09/1988 | CN87105898A Process for preparing of n-(s-3-alkylenanthyl)-d-r-glutamoylaminoacetyl-d-alanine and intermediate |
| 03/08/1988 | US4729985 Hypotensive agents |
| 03/02/1988 | EP0257787A1 Process for producing optically active benzene-sulfonamide derivates |
| 02/24/1988 | EP0256982A2 Method for the preparation of optically active secondary aryl amines |
| 02/09/1988 | CA1232613A1 ( )-4-substituted-2-indanols and insecticidal ester derivatives |
| 02/03/1988 | EP0254971A1 Carboxylic acid synthesis process |
| 01/20/1988 | EP0253785A1 Efficient stereoconservative syntheses of 1-substituted (S)- and (R)-2-aminomethylpyrrolidines and intermediates therein |
| 01/20/1988 | EP0253700A1 Process for the asymmetric hydrogenation of carbonyl compounds, and the compounds obtained thereby |
| 01/07/1988 | EP0251994A1 Optically active styrene derivatives, polymers therefrom, complexes with iridium (I) and their use |
| 12/30/1987 | WO1987007889A1 Asymetric hydrogenation process for carbonyl compounds, and compounds obtained |
| 12/15/1987 | US4713380 Production of optically pure organoboranes |
| 12/03/1987 | WO1987007271A1 A stereoconservative synthesis of 1-substituted (s)- and (r)-2-aminomethylpyrrolidines and intermediates thereto |
| 11/19/1987 | EP0246195A1 Optically active iridium complexes and their use |
| 11/19/1987 | EP0246194A2 Complexes of iridium and their use |
| 10/14/1987 | EP0241235A2 Process for the preparation of homoallyl alcohols |
| 09/29/1987 | US4697036 Process for the preparation of optically active alpha-arylalkanoic acids and novel intermediates thereof |
| 09/16/1987 | EP0237305A2 A method for producing optically active amines |
| 09/16/1987 | EP0236566A2 Stereoselective process for preparing optically active alpha, beta-disubstituted carbonyl compounds |
| 09/08/1987 | US4692543 Optically-active di-[3-chloro-2-oxy-propyltrimethylammonium]-tartrate |
| 09/01/1987 | US4691020 Ketenes, optically active alcohols, tertiary amines, deesterification |
| 07/28/1987 | CA1224805A1 PROCESS FOR THE ENANTIOSELECTIVE PRODUCTION OF .alpha.- ALKYLATED; ACYCLIC .alpha.-AMINOCARBON ACIDS |
| 06/03/1987 | CN86106592A Process for preparation of gamma-butyrolactams |
| 06/02/1987 | US4670192 Optically-active di-[3-chloro-2-oxy-propyltrimethylammonium]-tartrate |
| 05/20/1987 | EP0222163A1 Process for the manufacture of gamma-butyrolactames |
| 05/12/1987 | US4665212 Condensation of hydroquinone with carboxyalkyl sulfonate |
| 05/12/1987 | US4665171 Carbacephalosporins |
| 05/06/1987 | EP0220417A1 Process for the enantioselective preparation of alpha-vinyl-alpha-aminocarboxylic acids |
| 04/22/1987 | EP0218970A2 Chiral rhodium-diphosphine complexes for asymmetrical hydrogenation |
| 04/22/1987 | CN86106525A Phosphorus compounds |
| 04/08/1987 | EP0217376A2 Process for preparing optically active alpha-haloalkyl-arylketones |
| 04/08/1987 | EP0217375A2 Process for preparing optically active carbonyl compounds |
| 03/31/1987 | US4654176 Sulphonated chiral phosphines, their preparation and their use |
| 03/24/1987 | US4652657 Chiral rhodium-diphosphine complexes |
| 03/11/1987 | CN86105870A Blood vessel tension peptide protoenzyme inhibitor with 5-amino-2.5-disubstituted-4-hydroxy pentacarboxyl |
| 03/04/1987 | EP0212903A2 Polypeptide derivatives containing 5-amino-2,5-disubstituted-4-hydroxypentanoic acid residues |
| 02/04/1987 | EP0210896A1 Optically pure derivates of 4-amino-3-hydroxycarboxylic acids and process for stereospecific synthesis |
| 02/04/1987 | EP0210589A2 Process for preparing optically active alpha-halogen ketals |
| 02/04/1987 | CN86104783A Process and intermediates for b-lactam antibiotics |
| 01/28/1987 | EP0209636A1 Process for the preparation of a chiral aromatic cyanohydrin |
| 01/21/1987 | EP0209352A2 Process and intermediates for beta-lactam antibiotics |
| 12/30/1986 | EP0206993A1 Sulphonic-acid esters |
| 12/30/1986 | EP0205782A1 Chiral cyanohydrination process |
| 12/24/1986 | CN85103245A Production of chiral rhodium-diphosphine complexes and use in asymmetric hydrogenations |
| 12/09/1986 | US4628120 Rearrangements using organoaluminum compounds |
| 11/25/1986 | US4625053 From 2-halopropionate, hydroquinone or salt, alkali hydroxide |
| 10/29/1986 | EP0102520B1 Process for the inversion of the configuration of optically active compounds, and optically active intermediates for this process |
| 10/22/1986 | EP0198348A2 Process for preparing (+)S-2-hydroxy-2-methyl-hexanoic acid |
| 09/24/1986 | CN85101426A Process for optically active di-(3-chloro-2-oxypropyl trimethyl ammoniuml tartrate |
| 09/09/1986 | US4611077 Increasing enantiomeric selectivity in chiral cyanohydrination |
| 09/09/1986 | US4611076 Chiral cyanohydrination process |
| 09/03/1986 | EP0192849A1 Process for preparing optically active 2-(4-hydroxyphenoxy)propionic acid compounds |
| 08/14/1986 | WO1986004578A1 Method for producing l-phenylalanine |
| 08/12/1986 | US4605750 Catalysts |
| 08/05/1986 | US4604486 Pinacol-type rearrangement of solfonyloxy alcohols in presence fo organoaluminum compounds |
| 07/29/1986 | US4603218 Alkyl diazoacetate |
| 07/23/1986 | EP0188235A2 Production of optically pure organoboranes |
| 07/08/1986 | US4599444 Process for the separation of isomeric cyclopropane-carboxylic acids |
| 05/07/1986 | EP0180126A2 Process for preparing 2-(4-hydroxyphenoxy)alkanoic acid compounds |
| 05/06/1986 | US4587357 Preparation of enantiomers of a substituted fluorenyloxyacetic acid |
| 04/29/1986 | US4585892 Process for the enantioselective production of α-alkylated, acyclic α-aminocarboxylic acids |
| 04/15/1986 | US4582930 Process for the preparation of optically active alpha-arylalkanoic acids |
| 04/09/1986 | EP0176947A1 Preparation of enantiomers of a substituted fluorenyloxyacetic acid |
| 04/01/1986 | US4579968 Rearranging aryl retals and hydrolysis of esters obtained to acids; adrotic dipolar dilvents |
| 02/26/1986 | EP0172614A1 Process for producing optically active carboxylic acid amides |
| 02/19/1986 | EP0171832A2 Camphor derivatives, their preparation and their use |
| 02/12/1986 | EP0171175A1 An optically active borane complex and a method for producing an optically active alcohol derivative by the use thereof |
| 02/05/1986 | EP0170211A1 Process for preparing L-phenylalaninemethylester hydrochloride |
| 11/12/1985 | US4552972 Chiral copper complex |
| 10/23/1985 | EP0158913A2 Process for the preparation of optically active alpha-arylalkanoic acids and intermediates thereof |
| 10/23/1985 | EP0158875A2 Chiral-rhodium-diphosphine complexes for asymetric hydrogenations |
| 10/16/1985 | EP0158255A2 Optically active ketals, processes for their preparation and their use in the synthesis of apha-arylakanoic acids |
| 10/09/1985 | EP0157315A2 Optically active di(3-chlor-2-oxypropyl-trimethyl-ammonium) tartrate |
| 09/18/1985 | EP0154853A1 Process for the preparation of optically active alpha-arylalkanoic acids |
| 09/04/1985 | EP0153701A1 Process for the preparation of optically active alpha-arylalkanoic acids |
| 09/03/1985 | US4539420 Optically active 1-aromatic-group-substituted-1-alkanones and methods for their manufacture |
| 08/14/1985 | EP0069761B1 (+)-4-substituted-2-indanols and insecticidal ester derivatives |
| 07/23/1985 | CA1190936A1 Borane complexes |
| 04/17/1985 | EP0137351A2 Process for the enantioselective préparation of acyclic alpha-alkylated alpha-aminecarboxylic acids |
| 04/03/1985 | EP0136210A1 Chiral phosphorus ligands, process for their preparation and their use in the catalysis of enantioselective synthesis reactions |
| 03/27/1985 | EP0135392A2 Rhodium-phosphine complexes |
| 03/19/1985 | CA1184178A1 Optically-active diamide derivatives |
| 02/13/1985 | EP0133127A1 Sulphonated chiral phosphines, their preparation and their use in asymmetric catalysis |
| 01/30/1985 | EP0132392A2 Asymmetric synthesis of alpha-substituted-alpha-cyanomethyl alcohols |
| 01/29/1985 | CA1181766A1 Preparation of optically active carboxylic acids |
| 01/22/1985 | US4495355 Optically-active diamide derivatives |
| 12/12/1984 | EP0128012A2 Novel chiral copper complex and asymmetric synthesis of cyclopropanecarboxylate derivatives using said complex as catalyst |
| 09/26/1984 | EP0119463A1 Process for the separation of isomers of substituted cyclopropanecarboxylic acids |
| 07/31/1984 | US4463176 Regeneration of separated chiral isocyanate-treated adrenergic blocking agents using hydrazine hydrate and a keto acid |
| 03/14/1984 | EP0102520A1 Process for the inversion of the configuration of optically active compounds, and optically active intermediates for this process |
| 03/13/1984 | US4436919 For asymmetric hydroboration and reduction reactions |
| 02/21/1984 | CA1162542A1 Catalytic asymmetric hydrogenation |