| Patents for C07B 53 - Asymmetric syntheses (6,231) |
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| 01/10/1995 | US5380927 Process for preparing optically active 2-aryl-alkanoic acids, in particular 2-aryl-propionic acids |
| 01/10/1995 | US5380755 Alkyl and alkylbenzyl ethers of substituted hydroquinones |
| 01/04/1995 | EP0423300B1 Chiral reaction medium for organic reactions |
| 12/28/1994 | CN1096782A Process for preparation benzothiazepine derivatives |
| 12/22/1994 | WO1994029253A1 Method for preparing difunctional compounds having high enantiomeric purity |
| 12/22/1994 | CA2164724A1 Process for preparing difunctional compounds having high enantiomeric purity |
| 12/20/1994 | US5374727 Asymmetric hydrogenation of dihydro-pyrido [1,2-a]indoles |
| 12/14/1994 | EP0628534A1 Process for the stereospecific synthesis of leucotriene B4 having configuration 6Z, 8E, 10E and intermediate products |
| 12/07/1994 | EP0626967A1 Process for preparing enantiomerically pure fluorinated epoxychromans |
| 12/06/1994 | US5371256 With rhodium and iridium |
| 11/30/1994 | CN1026785C Process for the preparation of clausenamide and neoclausenamide, and of their derivatives |
| 11/24/1994 | WO1994026751A1 Enantioselective oxazaborolidine catalysts |
| 11/24/1994 | WO1994026708A1 Optically active 3-(1-(alkylamino))alkyl pyrrolidines |
| 11/24/1994 | CA2160124A1 Optically active 3-(1-(alkylamino)) alkyl pyrrolidines |
| 11/23/1994 | EP0625523A1 Cis-oxalato(trans-L-1,2-cyclohexanediamine) Pt(II) complex having high optical purity and process of preparing same |
| 11/17/1994 | EP0624587A2 Assymetric hydrogenation of furolimidazol derivatives |
| 11/17/1994 | EP0624152A1 Process for preparing ketone enantiomer. |
| 11/15/1994 | CA2122511A1 Asymmetric hydrogenation of furoimidazole derivatives |
| 11/08/1994 | US5362886 Asymmetric synthesis |
| 11/08/1994 | US5362757 Administering for treatment of cardiovascular disorders while reducing side effects |
| 11/01/1994 | US5360938 Asymmetric syntheses |
| 10/27/1994 | WO1994024104A1 Improvements in or relating to chiral auxiliaries |
| 10/18/1994 | US5357001 Optically active amino acid sulphoxide and amino acid sulphone derivatives, their preparation, their polymerisation and use as adsorbents for chromatographic resolution of racemates |
| 10/05/1994 | EP0618197A1 Synthesis of CIS-decahydroisoquinoline-3-carboxylic acids |
| 10/05/1994 | EP0618196A1 Stereocontrolled synthesis of cis-bicyclic compounds |
| 10/04/1994 | US5352832 Asymmetric process for preparing florfenicol, thiamphenicol chloramphenicol and oxazoline intermediates |
| 10/01/1994 | CA2119732A1 Stereocontrolled synthesis of cis-bicyclic compounds |
| 10/01/1994 | CA2119730A1 Synthesis of cis-decahydroisoquinoline-3-carboxylic acids |
| 09/28/1994 | EP0617028A1 Enantiomers of 1-(4-chlorophenyl)phenylmethyl)-4-(4-methylphenyl)sulfonyl piperazine |
| 09/20/1994 | US5348870 Using hydrolase to effect ester interchange and resolution, then alcoholysis or hydrolysis and dehydration with cyclization and crystallization |
| 09/15/1994 | WO1994020483A1 Process to derivatives of piperizinylcamphorsulfonyl oxytocin antagonists |
| 09/14/1994 | EP0614902A1 Phosphine compounds and transition metal-phosphine complexes containing them as ligands |
| 09/14/1994 | EP0614901A1 Phosphine compound and transition metal-phosphine complex containing the same as ligand |
| 09/14/1994 | EP0614895A1 Bis-dihydropyran derivatives and their use in chiral transformations |
| 09/14/1994 | EP0614894A1 Process for the synthesis of substituted amide derivatives of piperazinylcamphorsulfonyl oxytocin antagonists |
| 09/14/1994 | EP0614871A1 Process for producing optically active beta-hydroxyketone |
| 09/14/1994 | EP0614870A2 Process for producing optically active aldehydes |
| 09/13/1994 | CA2118756A1 Process for the synthesis of substituted amide derivatives of piperizinylcamphorsulfonyl oxytocin antagonists |
| 08/31/1994 | EP0612716A1 Process for the preparation of an optically pure aminoalcohol |
| 08/16/1994 | US5338851 Synthesis of cis-decahydroisoquinoline-3-carboxylic acids |
| 08/04/1994 | WO1994017079A1 OPTICALLY ACTIVE β-AMINOALKOXYBORANE COMPLEX |
| 08/04/1994 | CA2153695A1 Optically active .beta.-aminoalkoxyborane complex |
| 08/03/1994 | EP0609031A1 Process for preparing benzothiazepine derivatives |
| 08/03/1994 | EP0609025A1 Process for producing optically active epoxy alcohol derivatives |
| 08/03/1994 | EP0608307A1 New ligands for asymmetric dihydroxylation: multiple cinchona alkaloid units attached to a central heterocyclic core |
| 08/02/1994 | CA1331197C Enantiomeric glutaramide diuretic agents |
| 07/28/1994 | CA2114036A1 Process for preparing benzothiazepine derivatives |
| 07/20/1994 | CN1089614A Alpha-phosphonosulfonate squalene synthetase inhibitors and method |
| 07/12/1994 | US5329015 Chiral phospholanes via chiral 1,4-diol cyclic sulfates |
| 07/07/1994 | WO1994014835A1 Use of molecularly imprinted polymers for stereo- and/or regioselective synthesis |
| 07/07/1994 | WO1994014802A1 Process for preparing substituted 1,3-oxathiolanes with antiviral properties |
| 07/07/1994 | WO1994014764A1 Asymmetric process for preparing florfenicol, thiamphenicol, chloramphenicol and oxazoline intermediates |
| 07/07/1994 | CA2152627A1 Use of molecularly imprinted polymers for stereo- and/or regioselective synthesis |
| 07/06/1994 | EP0604857A1 Process for preparing optically active 4-mercapto-2-pyrrolidone derivative and intermediate therefor |
| 06/29/1994 | EP0603414A1 (-)-ritodrine |
| 06/08/1994 | EP0600020A1 Asymmetric syntheses. |
| 05/25/1994 | CN1087079A (-)-Ritodrine |
| 05/17/1994 | US5312957 Enantioselective hydrocyanation of aromatic vinyl compounds |
| 05/17/1994 | US5312939 2,2'-bis (dicyclopentylphosphino)-1,1'-binaphthyl and transition metal complex using the same as ligand |
| 05/11/1994 | EP0595868A1 Process for the preparation of intermediates in the synthesis of chiral thiazolidine-2,4-dione derivatives |
| 05/10/1994 | US5310956 Optically active epoxides and a process for the production thereof |
| 05/04/1994 | EP0595635A1 Alpha-phosphorous substituted sulfonate derivatives as squalene synthetase inhibitors |
| 05/04/1994 | EP0594608A1 Chiral catalysts for enantioselective synthesis. |
| 05/03/1994 | US5308820 Of an amino acid amide derivative and a titanium alkoxide |
| 05/03/1994 | US5308819 Diphosphines containing silane groups, immobilised diphosphines and the use thereof as hydrogenation catalysts |
| 05/03/1994 | CA1329214C 2-hydroxy-3-(4-methoxyphenyl)-3-(2- aminophenylthio)propionic acid, 8'-phenylmenthyl ester, especially for diltiazem |
| 04/29/1994 | CA2107644A1 .alpha.-phosphonosulfonae squalene synthetase inhibitors and methd |
| 04/28/1994 | WO1994008983A1 Amide derivatives |
| 04/27/1994 | EP0593917A1 Process for the preparation of optically active esters and thioesters |
| 04/26/1994 | US5306834 Process for preparing optically active 4-methyl-2-oxetanone |
| 04/26/1994 | US5306820 Process for the preparation of enantiomerically pure substituted (quinolin-2-yl-methoxy)phenylacetic acids |
| 04/20/1994 | EP0592552A1 Chiral phospholanes via chiral 1,4-diol cyclic sulfates. |
| 04/14/1994 | WO1994007850A1 Process for the stereoselective synthesis of 3-substituted 2-sulphonyl methyl propionic acids and intermediate products |
| 04/14/1994 | WO1994007849A1 Process for the stereoselective synthesis of 3-substituted 2-thiomethyl propionic acids |
| 04/14/1994 | CA2146144A1 Process for the stereoselective synthesis of 3-substituted 2-thiomethylpropionic acids |
| 04/14/1994 | CA2146142A1 Process for the stereoselective synthesis of 3-substituted 2-sulfonylmethylpropionic acids, and intermediate products |
| 04/07/1994 | DE4233100A1 Verfahren zur stereoselektiven Synthese von 3-substituierten 2-Sulfonylmethylpropionsäuren sowie Zwischenprodukte Method for the stereoselective synthesis of 3-substituted 2-Sulfonylmethylpropionsäuren and intermediates |
| 04/07/1994 | DE4233099A1 Verfahren zur stereoselektiven Synthese von 3-substituierten 2-Thiomethylpropionsäuren Method for the stereoselective synthesis of 3-substituted 2-Thiomethylpropionsäuren |
| 04/05/1994 | US5300638 Reacting imine derivative of threonine with an acetyl halide in the presence of a base; preferential |
| 03/31/1994 | WO1994006792A1 Optically active hydroquinine (amino-3 phenyl)-1 ethanesulfonate, preparation and use thereof |
| 03/31/1994 | CA2144158A1 Optically active hydroquinine 1-(3-aminophenyl)ethanesulfonate; preparation thereof and its use |
| 03/29/1994 | US5298660 Compound containing an assymetrical carbon atom |
| 03/22/1994 | US5296595 Metal complexes with bridging ligands |
| 03/16/1994 | EP0587471A1 Use of carbohydrates in the solid state as chiral supports for chemical reactions |
| 03/15/1994 | CA1327804C Process for the minimization of racemization in the preparation of optically active ((aryloxy)phenoxy)proprionates herbicides |
| 03/08/1994 | US5292946 In-situ preparation of diisopinocamphenyl chloroborane |
| 03/08/1994 | US5292893 Catalytic asymmetric and non-asymmetric reduction of times and oximes using metal catalysts |
| 03/08/1994 | CA1327593C Enantioselective process and intermediates for preparing trans or cis hemicaronic aldehyde derivatives |
| 03/03/1994 | WO1994004486A1 Chemical process for preparing an optically active aminodiol |
| 02/23/1994 | EP0583433A1 Diphosphine ligands |
| 02/17/1994 | WO1994003271A1 Chiral catalysts and epoxidation reactions catalyzed thereby |
| 02/17/1994 | CA2141790A1 Chiral catalysts and epoxidation reactions catalyzed thereby |
| 02/16/1994 | EP0583171A2 (3R,5S)-3,5,6-trihydroxyhexanoic acid derivatives and methods for their production |
| 02/16/1994 | EP0582692A1 Diphosphine ligands |
| 02/15/1994 | US5286883 (3R,5S)-3,5,6-trihydroxyhexanoic acid derivative and production method thereof |
| 02/09/1994 | EP0581777A1 Stereoselective preparation of substituted piperidines |
| 01/26/1994 | EP0580336A1 Process for preparing optically active 4-methyl-2-oxetanone |
| 01/26/1994 | EP0580210A1 Process for the preparation of optically active methionine amide |
| 01/26/1994 | EP0579797A1 Diphosphine ligands |
| 01/25/1994 | US5281750 Chiral polymers for the production of excess enantiomers |