Patents for C07B 53 - Asymmetric syntheses (6,231) |
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08/07/1996 | EP0576617B1 Composition and method containing optically pure (s) metoprolol |
08/06/1996 | US5543571 Preparation of optically active hydrazines and amines |
08/06/1996 | US5543559 Using a rhodium catalyst having an optically active piphosphine ligand |
07/31/1996 | CN1127741A Asymmetrical hydrogenation of ketoisophorone derivatives |
07/24/1996 | EP0666905A4 Molecules with antibody combining sites that induce asymmetry. |
07/18/1996 | WO1996021507A1 Catalyst for asymmetric diels-alder reactions |
07/16/1996 | US5536879 Process for preparing optically active amino alcohols |
07/16/1996 | US5536858 Catalysts for hydrogenation using phosphinearylsulfonates |
07/16/1996 | US5536719 Nervous system disorders |
07/04/1996 | WO1996020202A1 Optically active diphosphines and method for preparing same by resolution of the racemic mixture |
07/03/1996 | EP0719772A1 Optically active imidazolidinone derivative and process for producing the same |
07/03/1996 | EP0719755A1 Process for the preparation of the enantiomers of 2-(2-fluoro-4-biphenyl)-propionic acid |
07/02/1996 | US5532409 Lactonization of methanesulfonylcarnitine, aziding, catalytic hydrogenation |
07/02/1996 | US5532402 Process for producing optically active hydroxyalkylphosphonates |
07/02/1996 | US5532395 Hydrogenation catalysts ) |
06/27/1996 | DE19506021C1 Catalytic enantioselective redn. of ketone cpds. |
06/26/1996 | EP0718265A2 Method for producing an alcohol |
06/19/1996 | CN1124962A Enantioselective oxazaborolidine catalysts |
06/13/1996 | WO1996017821A1 Process for the preparation of enantiomerically pure (s,s) aminoepoxides, key intermediates for hiv protease inhibitors, via their chlorohydrines |
06/12/1996 | EP0716062A1 A method of preparing D-amino acid-N-(S)-alpha-alkylbenzylamide |
06/09/1996 | CA2163931A1 Method of preparing d-amino acid-n-(s)-.alpha.-alkylbenzylamide |
06/04/1996 | US5523437 Useful in asymmetric synthesis reactions |
05/29/1996 | CN1123544A Optically active 3-(1-(alkylamino)) alkyl pyrrolidines |
05/15/1996 | EP0711771A2 Substituted-1,3-oxathiolanes with antiviral properties |
05/15/1996 | EP0711752A2 Cis-4-(2,2,3,3-tetrafluoropropoxy)cinnamic acid nitrile and trans-4-(2,2,3,3-tetrafluoro)cinnamic acid nitrile and process for their preparation |
05/14/1996 | US5516953 Process for the preparation of optically active cycloolefins |
05/14/1996 | US5516776 Enantioselective synthesis of antifolates |
05/09/1996 | CA2162344A1 Cis-4-(2,2,3,3-tetrafluoropropoxy) cinnamonitrile and trans-4(2,2,3,3-tetrafluoropropoxy) cinnamonitrile and a process for their preparation |
05/08/1996 | CN1121921A New benzothiadiazine compound, process for its preparation and the pharmaceutical compositions which contain it |
05/07/1996 | US5514805 Assymetric hydrogenation of a pyridinecarbonyl compound, rhodium phosphine catalyst |
05/07/1996 | CA1338314C Ligand-accelerated catalytic asymmetric dihydroxylation |
05/02/1996 | WO1996012692A1 PROCESS FOR PRODUCING DERIVATIVES OF 4a,5,9,10,11,12,-HEXAHYDRO-6H-BENZOFURO[3a,3,2-ef][2]BENZAZEPINE |
05/01/1996 | EP0708764A1 Enanthioselective preparation of thiazole derivatives |
04/30/1996 | US5512689 Process for the preparation of intermediates in the synthesis of chiral thiazolidine-2,4-dione derivatives |
04/25/1996 | WO1996011928A1 Enantioselective synthesis of seven-membered carbocycles and tropanes |
04/25/1996 | CA2202615A1 Enantioselective synthesis of seven-membered carbocycles and tropanes |
04/23/1996 | US5510519 Optically active secondary amine compound, process for producing optically active secondary amine compound and process for producing optically active carboxylic acid by using said compound |
04/23/1996 | US5510503 Bisphosphines for asymmetric hydrogenation catalysts |
04/23/1996 | US5510470 Contains a dideoxysaccharide; used with zero valent nickel as a catalyst for enantioselective hydrocyanation |
04/17/1996 | EP0558656B1 New methods for the catalytic reduction of organic substrates |
04/17/1996 | CN1120532A Ring-substituted 2-amino-1,2,3,4-tetra-hydronaphthalenes and 3-aminochromones |
04/16/1996 | US5508438 Phosphorus compounds |
04/02/1996 | US5504255 Optically active compounds and a method for producing them |
04/02/1996 | US5504108 Optically pure 4-aryl-2-hydroxytetronic acids |
03/28/1996 | WO1996009290A1 Racemisation and asymmetric transformation processes used in the manufacture of levobupivacaine and analogues thereof |
03/27/1996 | EP0702667A1 Method for preparing difunctional compounds having high enantiomeric purity |
03/14/1996 | WO1996007642A1 PROCESS FOR PRODUCING A β-AMINO ALCOHOL |
03/14/1996 | DE4431530A1 Verfahren zur Herstellung eines beta-Aminoalkohols A method for producing a beta-aminoalcohol |
03/14/1996 | CA2198460A1 Process for producing a .beta.-amino alcohol |
03/13/1996 | CN1031262C Ring-substituted 2-animo-1,2,3,4-tetra hydronaphthalenes and 3-aminochromanes |
02/28/1996 | EP0698028A1 Enantioselective oxazaborolidine catalysts |
02/28/1996 | EP0659184B1 Optically active hydroquinine (amino-3 phenyl)-1 ethanesulfonate, preparation and use thereof |
02/27/1996 | US5495054 Tetrahydroindeno[1,2-D][1,3,2]oxazaboroles and their use as enantioselective catalysts |
02/27/1996 | CA1338089C Sulfonic acid esters |
02/22/1996 | WO1996005206A1 Novel process for the preparation of diisopinocampheylchloroborane |
02/21/1996 | EP0697404A1 New enantiomerically pure pyridyl cycloalkylethyl amines and their salts as well as process for their production |
02/21/1996 | EP0697015A1 Optically active 3-(1-(alkylamino))alkyl pyrrolidines |
02/21/1996 | EP0500572B1 Preparation of mixtures of cypermethrin or cyfluthrin isomers enriched in more active species |
02/14/1996 | EP0696575A1 Process for the preparation of optically active aminoalcohols |
02/14/1996 | CN1116850A Optically active beta-aminoalkoxyborane complex |
02/13/1996 | US5491266 Reacting chiral compound in presence of optically active metal-ligand complex |
02/13/1996 | US5491243 Intermediate useful for the asymmetric synthesis of duloxetine |
02/13/1996 | US5491233 Using enantiomerically enriched chiral metal catalyst, acidic rate enhancing additive |
02/07/1996 | CN1116207A Manufacture of 2-keto-l-gulonates |
02/07/1996 | CN1116204A Processes for the diastereoselective synthesis of nucleosides |
02/06/1996 | US5489682 Catalytic asymmetric reduction of enamines |
01/31/1996 | EP0600020B1 Asymmetric syntheses |
01/30/1996 | US5488172 Chiral phosphorus compounds |
01/30/1996 | US5488131 Synthesis of compounds with predetermined chirality |
01/25/1996 | WO1996001804A1 Method for producing calcium salts of [s,s]-ethylenediamine-n,n'-disuccinic acid |
01/25/1996 | WO1996001803A1 A process for producing [s,s]-ethylenediamine-n,n'-disuccinic acid |
01/25/1996 | WO1996001801A1 A method for producing [s,s]-ethylenediamine-n,n'-disuccinic acid from its calcium salt |
01/24/1996 | EP0693058A1 Improvements in or relating to chiral auxiliaries |
01/17/1996 | EP0692484A1 Benzothiadiazine derivative process for its preparation and pharmaceutical compositions containing it |
01/17/1996 | EP0692478A1 Process for the preparation of optically active 4 substituted (S)-2-oxazolidinone, optically active (S)-aminoalcohols and utilization of there compounds |
01/17/1996 | EP0692471A1 Process for the preparation of optically active 3-hydroxypyrrolidine derivatives with high optical purity |
01/17/1996 | EP0692470A1 Process for the preparation of optically active 1-substituted-2-(aminomethyl)pyrrolidine derivatives |
01/17/1996 | CN1115181A Process for the preparation of 9-amino camptothecin |
01/16/1996 | US5484902 Hydrocyanation of vinyl aromatics |
01/10/1996 | EP0691325A1 Asymmetric hydrogenation of ketoisophorone derivatives |
01/03/1996 | EP0690055A1 Stereoselective process for making endo-tropanamine and like compounds |
01/02/1996 | US5481026 Addition polymerizable to chromatographic supports for separation of racemic mixtures |
01/02/1996 | US5481008 Process for the preparation of optically active compounds |
12/28/1995 | CA2152312A1 Stereoselective process for making endo-tropanamine and like compounds |
12/26/1995 | US5478941 Enantiomers of 1-[(4-chlorophenyl)phenylmethyl]-4-[(4-methylphenyl) sulfonyl]piperazine |
12/19/1995 | USRE35128 Reacting hydroxyl protected cyanohydrin derivative with Grignard reagent, followed by imination with primary amine, and reduction, and removal of protecting group |
12/19/1995 | CA2077542C Chiral catalysts for enantioselective synthesis |
12/07/1995 | WO1995032937A1 TETRAHYDROINDENO[1,2-d][1,3,2]OXAZABOROLES AND THEIR USE AS ENANTIOSELECTIVE CATALYSTS |
12/07/1995 | WO1995029165A3 Benzocycloalkylaz0lethione derivatives as dopamin beta-hydroxylase inhibitors |
12/05/1995 | US5473076 Enantiomerically pure intermediates for (quinolin-2-yl-methoxy) phenylacetic acids |
12/05/1995 | US5473066 Process for preparing benzothiazepine derivatives |
11/29/1995 | EP0684233A1 Pipecolic acid derivatives, their preparation and use as intermediates |
11/29/1995 | CN1112563A Water-soluble phosphine-derivatives |
11/23/1995 | WO1995031450A1 Asymmetric synthesis of chiral secondary alcohols |
11/23/1995 | CA2190511A1 Asymmetric synthesis of chiral secondary alcohols |
11/21/1995 | US5468901 Process for the preparation of optically active methionine amide |
11/14/1995 | US5466867 Method for producing [S,S]-ethylenediamine-N,N'-disuccinic acid from its calcium salt |
11/08/1995 | EP0680484A1 OPTICALLY ACTIVE $g(b)-AMINOALKOXYBORANE COMPLEX |
11/02/1995 | WO1995029171A1 Preparation of arthropodicidal oxadiazines |
11/02/1995 | WO1995029165A2 Benzocycloalkylaz0lethione derivatives as dopamin beta-hydroxylase inhibitors |