| Patents for C07B 53 - Asymmetric syntheses (6,231) |
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| 11/05/2002 | US6476250 Optically active fluorinated binaphthol derivative |
| 11/05/2002 | US6476246 Unsymmetrical bicycloaliphatic chiral diphosphines and phosphine phosphinites, complexes of these compounds with metals of groups viib, viiib and ib as hydrogenation catalysts |
| 10/31/2002 | WO2002036261A3 Catalyst comprising a chiral cationic metal-ligand complex immobilised on a mesoporous alumino-silicate support, its preparation and use in asymmetric hydrogenation |
| 10/31/2002 | WO2002030415A9 Pravastatin sodium substantially free of pravastatin lactone and epi-pravastatin, and compositions containing same |
| 10/31/2002 | US20020161252 Zinc complex with a chiral ligand, such as diethylzinc((S,S)-N-N'-ethylene-bis-(1-phenylethylamine)) |
| 10/31/2002 | DE10208592A1 Polymergebundener Katalysator zur enantioselektiven Öffnung von prochiralen Anhydriden Polymer-bound catalyst for the enantioselective opening of prochiral anhydrides |
| 10/30/2002 | EP1253130A2 Method for producing 3-l-menthoxypropane-1,2-diol |
| 10/30/2002 | EP1252327A1 Method for the enzymatic resolution of the racemates of aminomethyl-aryl-cyclohexanol derivatives |
| 10/29/2002 | US6472571 Process for the production of organic compounds in a membrane reactor |
| 10/29/2002 | US6472570 Method for the asymmetric dihydroxylation of olefins, using osmium catalysts |
| 10/29/2002 | US6472345 Titanium halides, sulfonates or diolates |
| 10/24/2002 | WO2002083713A2 Echinocandin process |
| 10/24/2002 | WO2002083694A1 Synthesis of silyl camptothecins and silyl homocamptothecins |
| 10/24/2002 | WO2002083612A1 Process for producing (s)-1-(4-phenoxyphenoxy)-2-propanol |
| 10/24/2002 | WO2002083067A2 Prodrugs via acylation with cinnamate |
| 10/24/2002 | US20020156327 Method for producing 3-l-menthoxypropane-1,2-diol |
| 10/24/2002 | US20020156304 Catalytic reacting acetylene with epoxide |
| 10/24/2002 | CA2444264A1 Prodrugs via acylation with cinnamate |
| 10/23/2002 | EP1251120A1 Novel esters derived from (rr,ss)-2-hydroxybenzoate of 3-(2-dimethylaminomethyl-1-hydroxycyclohexyl)phenyl |
| 10/23/2002 | EP1250311A1 Asymmetric synthesis of pregabalin |
| 10/23/2002 | EP1250299A2 Chiral ionic liquids |
| 10/23/2002 | CA2382863A1 Method for producing 3-l-methoxypropane-1,2-diol |
| 10/22/2002 | US6469173 Alkyl esters of 3-(3,4-dihalogenophenyl)-2,6-dioxopiperidine-3-propionic acid of use as intermediates |
| 10/17/2002 | WO2002081475A1 Jun kinase inhibitors |
| 10/17/2002 | US20020151744 Kinetic resolutions of chiral 2-and-3-substituted carboxylic acids |
| 10/17/2002 | US20020151735 Such as (S)-ps-ortho-Bis(bis(dimethylamino)phosphino)-(2.2)-p-cyclophane; useful as chemical intermediates for transition metal-catalysed asymmetric hydrogenation reactions |
| 10/17/2002 | US20020151722 Production method of beta-amino-alpha-hydroxycarboxylic acid |
| 10/16/2002 | EP0759915B1 Asymmetric synthesis of chiral secondary alcohols |
| 10/15/2002 | US6465689 Stereoselective processes for the preparation of gabapentin analogues |
| 10/15/2002 | US6465664 Asymmetric 1,4-reductions of and 1,4-additions to enoates and related systems |
| 10/15/2002 | US6465594 Phosphine derivative and polymer thereof and transition metal complex comprising the same |
| 10/10/2002 | WO2002079136A1 Enantiomerically selective cyclopropanation |
| 10/10/2002 | WO2002043667A3 HYDROLYSIS OF [R(R*,R*)]-2-(4-FLUOROPHENYL)-β,δ -DIHYDROXY-5-(1-METHYLETHYL)-3-PHENYL-4-[(PHENYLAMINO)CARBONYL]-1H-PYRROLE-1-HEPTANOIC ACID ESTERS WITH CALCIUM HYDROXIDE |
| 10/10/2002 | US20020147367 Catalytic compositions and methods for asymmetric aldol reactions |
| 10/10/2002 | US20020146787 Coenzymes useful for the synthesis of L-carnitine |
| 10/10/2002 | CA2442934A1 Enantiomerically selective cyclopropanation |
| 10/09/2002 | EP1100954B1 Continuous process for preparing optically pure (s)-3,4-dihydroxybutyric acid derivatives |
| 10/09/2002 | EP1100953B1 CONTINUOUS PROCESS FOR PREPARING OPTICALLY PURE ($i(S))-3-HYDROXY-GAMA-BUTYROLACTONE |
| 10/09/2002 | EP1100952B1 Process for preparing optically pure (s)-3,4-dihydroxybutyric acid derivatives |
| 10/09/2002 | EP1100951B1 PROCESS FOR PREPARING OPTICALLY PURE ($i(S))-3-HYDROXY-GAMA-BUTYROLACTONE |
| 10/08/2002 | US6462226 Reduction of 4-amino-5-azido shikimic acid derivatives with a phosphine in the presence of a carboxylic acid without formation of ?2-azido-5-amino? intermediate which has shown to be ?ames positive? |
| 10/08/2002 | US6462200 Diphosphines |
| 10/08/2002 | CA2216245C Preparation of cis-4-o-protected-2-cyclopentenol derivatives |
| 10/03/2002 | WO2002076997A1 Method for producing non-chiral organic compounds containing optically active hydroxy groups |
| 10/03/2002 | US20020143214 Synthesis of non-C2-symmetric bisphosphine ligands as catalysts for asymmetric hydrogenation |
| 10/03/2002 | US20020143205 Reacting pivaloyl chloride with hydroxyketosulfide compound and trialkylamine in the presence of a catalyst in a substantially non-reactive solvent to form ketoester sulfide compound; oxidizing to form ketoester sulfone compound |
| 10/03/2002 | CA2442165A1 Method for producing non-chiral organic compounds containing optically active hydroxy groups |
| 10/02/2002 | EP1245551A1 1,2-bis(methyl(1,1,3,3-tetramethylbutyl)-phosphino)ethane, process for the preparation thereof, transition metal complexes containing the same as the ligand and uses thereof |
| 10/02/2002 | EP1100768B1 Process for the preparation of r-(-)-carnitine |
| 10/02/2002 | DE10112358A1 Transition metal complex catalyst for heterogeneous catalysis, comprises a mixed polymer salt consisting of a transition metal complex, a surface active compound and a soluble ionic polymer material |
| 09/26/2002 | WO2002074050A2 Asymmetric synthesis of (s, s, r)-(-)-actinonin and its analogs and uses therefor |
| 09/26/2002 | WO2002038544A3 3-substituted oxindole beta 3 agonists |
| 09/26/2002 | CA2441822A1 Asymmetric synthesis of (s, s, r)-(-)-actinonin and its analogs and uses therefor |
| 09/25/2002 | EP1243591A2 Synthesis of non-C2-symmetric bisphosphine ligands as catalysts for asymmetric hydrogenation |
| 09/25/2002 | EP1242361A1 Process of preparing tolterodine and analogues there of as well as intermediates prepared in the process |
| 09/24/2002 | US6455585 Have a higher analgesic activity, a lower toxicity and a longer effective time period than tramadol. |
| 09/19/2002 | WO2002072542A2 Ph-dependent nmda receptor antagonists |
| 09/19/2002 | WO2002072531A1 Chain oligolactic acid ester |
| 09/19/2002 | WO2002072514A1 Methods and compositions for enantioselective oxidation reactions |
| 09/19/2002 | WO2002072259A1 Osmium oxide deposited on hydrophilic polymer support |
| 09/19/2002 | US20020133039 Reduction in presence of organtin hydride and Lewis acids |
| 09/19/2002 | US20020133031 Catalytic asymmetric epoxidation |
| 09/19/2002 | CA2445636A1 Chain oligolactic acid ester |
| 09/19/2002 | CA2440284A1 Ph-dependent nmda receptor antagonists |
| 09/18/2002 | EP1241174A1 Chiral ligands for asymmetric synthesis |
| 09/18/2002 | EP1240176A1 Benzophenone glycopyranosides, preparation and therapeutic use |
| 09/18/2002 | EP1240137A1 Method for making 24(s)-hydroxyvitamin d 2 |
| 09/18/2002 | CN1370154A Aminothiazole derivatives and their use as CRF receptor ligands |
| 09/17/2002 | US6451859 C16 unsaturated FP-selective prostaglandins analogs |
| 09/17/2002 | US6451727 Prepared from chiral amino alcohols; suitable for assymetric catalysis; for transfer hydrogenation of ketones and imines; enantiomorphs; purity; efficiency |
| 09/12/2002 | WO2002070492A1 New asymmetric process for the preparation of diarylmethylpiperazines derivatives and novel asymmetric diarylmetylamines as intermediates |
| 09/12/2002 | WO2002070441A1 Process for preparation of optically active cyclohexenes and optically active cyclohexene derivatives to be used in the preparation |
| 09/12/2002 | WO2002069909A2 Synthesis of ketosulfone esters |
| 09/12/2002 | US20020128509 Process for synthesis of enantiomerically enriched beta-amino acids |
| 09/12/2002 | US20020128501 Particularly effective in Ru-catalyzed asymmetric hydrogenation of beta-ketoesters to beta-hydroxyesters and ruthenium-catalyzed asymmetric hydrogenation of enamides to beta amino acids; catalyst selectivity |
| 09/12/2002 | US20020128486 Phosphinite-oxazolines and metal complexes |
| 09/12/2002 | CA2440104A1 New asymmetric process for the preparation of diarylmethylpiperazines derivatives and novel asymmetric diarylmetylamines as intermediates |
| 09/12/2002 | CA2433927A1 Synthesis of ketosulfone esters |
| 09/11/2002 | EP1237847A1 Method for the stereoselective synthesis of cyclic amino acids |
| 09/11/2002 | EP0912583B1 Ligands for asymmetric catalysis |
| 09/11/2002 | EP0900787B1 Process for preparing pyrrolidine derivatives |
| 09/11/2002 | CN1368955A Process for preparing with via alpha-chloroepoxy esters |
| 09/11/2002 | CN1368949A Method for production of adrenaline |
| 09/11/2002 | CN1368945A Transfer hydrogenation process |
| 09/10/2002 | US6448449 Process for preparation of (R)-1- (aryloxy)propan-2-ol |
| 09/10/2002 | US6448414 Hydrolytic kinetic resolution of cyclic substrates |
| 09/10/2002 | US6448402 Process for the preparation of aminoalcohol derivatives and their further conversion to (1R, 4S)-4-((2-amino-6-chloro-5-formamido-4-pyrimidinyl)-amino)-2-cyclopentenyl-1-methanol |
| 09/04/2002 | EP1235792A1 Preparation of [4s-(4alpha,7alpha,10abeta)]-4-amino-octahydro-5-oxo-7h-pyrido 2,1-b] 1,3]thiazepine-7-carboxylic acid, methyl ester and salts thereof via novel disulfides |
| 09/04/2002 | EP1235786A2 Method for the preparation of enantiomerically enriched compounds |
| 09/04/2002 | EP0746551B1 Optically pure 4-aryl-2-hydroxytetronic acids |
| 09/04/2002 | CN1367773A Process for preparation of naproxene nitroxyalkylesters |
| 08/29/2002 | WO2002066432A1 Substituted propane-1,3-diamine derivatives and the pharmaceutical use thereof |
| 08/29/2002 | WO2002066410A1 Preparation of mandelic acid derivatives |
| 08/29/2002 | US20020119965 Nitriloxy derivatives of (R) and (S)-carnitine |
| 08/29/2002 | DE10108307A1 Substituierte Propan-1,3-diamin-Derivate Substituted propane-1,3-diamine derivatives |
| 08/29/2002 | CA2438017A1 Preparation of mandelic acid derivatives |
| 08/28/2002 | EP1233939A1 Process for preparing optically active alpha-hydroxy acids and derivatives thereof |
| 08/28/2002 | EP1233828A2 Chiral catalysts for asymmetric acylation and related transformations |
| 08/28/2002 | EP1140956B1 Ligands and complexes for enantioselective hydrogenation |
| 08/22/2002 | WO2002064643A1 Polymer-supported allylsilane compound, process for producing the same, and use thereof |