| Patents for C07B 53 - Asymmetric syntheses (6,231) |
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| 01/21/2004 | EP1381615A2 ANTIDEPRESSANT INDOLETETRAHYDROPYRIDINE DERIVATIVES OF 2,3-DIHYDRO-7H- 1,4]DIOXINO 2,3-e]INDOLE |
| 01/21/2004 | EP1381583A1 Polymer-bound catalyst for the enantioselective cleavage of pro-chiral anhydrides |
| 01/21/2004 | EP1140794B1 Novel method for preparing chiral amino acids |
| 01/21/2004 | CN1468850A Preparation of mono-N-sulfonicacid diamine |
| 01/20/2004 | US6680275 Complex of optically active binaphthol, lanthanum triisopropoxide oxide, triphenylphosphine oxide and cumene or tert-butyl hydroperoxide; optical purity; reactivity; stability |
| 01/15/2004 | US20040010157 Method for the selective production of racemic metallocene complexes |
| 01/15/2004 | US20040010154 Diastereoselective hydrogenation of 1,3-hydroxyketones |
| 01/15/2004 | US20040010139 Using iridium complex as hydrogenation catalyst |
| 01/14/2004 | CN1468248A Use of chiral diphosphines as optically active ligands |
| 01/14/2004 | CN1468212A Process for the cyanation of aldehydes |
| 01/14/2004 | CN1468098A Pravastatin sodium substantially free of pravastatin lactone and epi-pravastatin, and compositions containing same |
| 01/14/2004 | CN1467211A Method for producing optically active salicylaldimine copper complex |
| 01/13/2004 | US6677476 Process for preparing R-(-) -carnitine from S-(-)-chlorosuccinic acid or from a derivative thereof |
| 01/13/2004 | US6677462 S-(+)-4-methoxy-6-phenethyl-5,6-dihydro-pyran-2-one; plant extracts for nutraceutical foods, topical ointments |
| 01/13/2004 | US6677461 Ligands and asymmetric catalysts made by using the same |
| 01/08/2004 | WO2004002925A2 Process for preparing (r)-aryloxypropionic acid ester derivatives |
| 01/08/2004 | WO2003082812A3 Process for the preparation of 2-ethoxy-3-[4-(2-{methanesulphonyloxyphenyl}ethoxy) phenil] propanoic acid |
| 01/08/2004 | US20040006243 Reacting a phenylketone with a silylcyanide in the presence of an asymmetric catalyst to form a siloxynitrile, and reacting the siloxynitrile with a reducing agent to obtain an aldehyde and oxidizing the aldehyde, or hydrolysis of siloxynitrile |
| 01/08/2004 | US20040006225 Diastereomeric compound being subjected to a non-reductive removal of the residual fragment of the chiral auxiliary, the carbon atom that is removed having an oxidation state of +3 which is not lowered |
| 01/08/2004 | US20040006224 Synthesis of 2-alkyl amino acids |
| 01/07/2004 | EP1378502A1 Chain oligolactic acid ester |
| 01/07/2004 | EP1378500A1 Diastereoselective hydrogenation of beta-hydroxy ketones |
| 01/02/2004 | EP1375493A1 Process for the preparation of an dioxane acetic acid ester |
| 01/02/2004 | EP1375477A2 Process for preparing mono-N-sulfonylated diamines |
| 01/02/2004 | EP1373269A1 Jun kinase inhibitors |
| 01/02/2004 | EP1372692A2 Asymmetric synthesis of (s, s, r)-(-)-actinonin and its analogs and uses therefor |
| 01/02/2004 | EP1175379B1 Method for the asymmetric dihydroxylation of olefins, using osmium catalysts |
| 01/01/2004 | US20040002613 Synthesis of benzonitriles from substituted benzoic acid |
| 01/01/2004 | US20040002610 Salt forming uisng 6.8-dihalooctanoic acid with methylbenzylamine; using phase transfer catalyst |
| 12/31/2003 | WO2003072576A3 Oxazolidinone derivatives, processes for their preparation, and pharmaceutical compositions containing them |
| 12/25/2003 | WO2003106447A1 Process for the preparation of dioxane acetic acid esters |
| 12/25/2003 | US20030236435 Synthesis of 2-alkylcysteine via substituted thiazoline ester |
| 12/25/2003 | US20030236434 Condensing cysteine with cabocyclic nitriles to form 2-arylthiazoline-4-carboxylic acid, then amidation, alkylation, hydrolyzing and optionally purifying to form 2-methylcysteine |
| 12/25/2003 | US20030236433 Synthesis of P-chiral bisphospholane ligands and their transition metal complexes for use as asymmetric hydrogenation catalysts |
| 12/25/2003 | US20030236429 Process for the production of chiral compounds |
| 12/25/2003 | US20030236426 Synthesis of benzimidate from benzoic acid |
| 12/25/2003 | US20030236406 Amination forming a benzylammonium methyl phenoxy 5-tetrahydrobenzothiepine; apical sodium co- dependent bile acid transporter inhibitors, anticholesterol agents |
| 12/25/2003 | US20030236404 Synthesis of 2-alkylcysteine via phase transfer catalysis |
| 12/25/2003 | US20030236304 Fluorobenzamides and uses thereof |
| 12/24/2003 | WO2003106413A2 Process for the preparation of oxazolidinones and method of use thereof |
| 12/24/2003 | WO2003106380A2 Fluorobenzamides |
| 12/24/2003 | WO2003042135A3 P-chiral phospholanes and phosphocyclic compounds and their use in asymmetric catalytic reactions |
| 12/24/2003 | CN1463272A Chiral salen catalyst and methods for prepn. of chirol compounds from racemic epoxides by using new catalyst |
| 12/24/2003 | CA2489247A1 Fluorobenzamides suitable for the treatment of alzheimer's disease or senile dementia |
| 12/24/2003 | CA2464109A1 Process for the preparation of oxazolidinones and method of use thereof |
| 12/18/2003 | WO2003104204A1 Pyridazine derivatives |
| 12/18/2003 | WO2003103650A1 Active ingredient salts and esters of 1-dimethylamino-3-(3-methoxy-phenyl)-2-methyl-pentan-3-ol and 3-(3-dimethylamino-1-ethyl-1-hydroxy-2-methyl-propyl)-phenol |
| 12/18/2003 | WO2003070701B1 Syntheses of quinazolinones |
| 12/18/2003 | US20030233015 Sulfonamide derivatives |
| 12/18/2003 | US20030233003 Method for producing optically active salicylaldimine copper complex |
| 12/18/2003 | US20030232991 For use in asymmetric hydrogenation, hydride transfer, hydrosilylation, hydroboration, hydrovinylation, hydroformylation, hydrocarboxylation, isomerization, allylic alkylation, cyclopropanation, Diels-Alder reaction, etc. |
| 12/18/2003 | US20030232989 Process for the preparation of specific aromatic aldehydes |
| 12/17/2003 | EP1371655A1 Novel diphosphine compound, production intermediate thereof, transition metal complex containing the compound as ligand and asymmetric hydrogenation catalyst containing the complex |
| 12/17/2003 | EP1371631A1 Method for producing optically active salicylaldimine copper complex |
| 12/16/2003 | US6664413 Without unwanted dehydration side reactions such as formation of various dimers, oligomers or lactic acid |
| 12/11/2003 | WO2003064382A3 Process for the manufacture of organic compounds |
| 12/11/2003 | WO2003048117A3 Propanolaminomethyltetralines, their preparation and pharmaceutical composition comprising same |
| 12/11/2003 | WO2002083067A3 Prodrugs via acylation with cinnamate |
| 12/11/2003 | US20030229231 Forming chelate compounds |
| 12/11/2003 | US20030228977 Novel diphosphine compound, production intermediate thereof, transition metal complex containing the compound as ligand and asymmetric hydrogenation catalyst containing the complex |
| 12/10/2003 | EP1369410A1 Process for the stereoselective reduction of derivatives of 4-aryl-4-oxobutyric acid |
| 12/10/2003 | EP1368351A2 7-(r)-amino-triazolopyrimidines, the production thereof and use of the same for combating phytopathogenic fungi |
| 12/10/2003 | EP1368325A1 New asymmetric process for the preparation of diarylmethylpiperazines derivatives and novel asymmetric diarylmetylamines as intermediates |
| 12/10/2003 | EP1091953B1 Novel benzothiepines having activity as inhibitors of ileal bile acid transport and taurocholate uptake |
| 12/10/2003 | CN1461292A 1,4-diaryl-2,3-difluoro-2-butene insecticidal and acaricidal agents |
| 12/09/2003 | US6660890 Production of optically active α-hydroxyacetals |
| 12/09/2003 | US6660741 Coupling an O-protected methoxypyrrolidine or derivatives with N-protected amino acid 2,5-dioxo-pyrrolidinyl ester to form intermediate, deportecting with trifluoroacetic acid to form pyrrolidine-1-carbonyl-2-methylamine or derivatives |
| 12/04/2003 | WO2003099832A1 Hydroxy diphosphines and their use in catalysis |
| 12/04/2003 | WO2003099776A1 Calcium receptor modulating arylalkylamines |
| 12/04/2003 | WO2003099745A1 Process for the preparation of enantiomerically enriched compounds |
| 12/04/2003 | WO2003099743A1 Asymmetric hydrogenation under supercritical conditions |
| 12/04/2003 | WO2003099435A2 Catalyst and process for the cyanation of aldehydes |
| 12/04/2003 | US20030225297 Process for preparing chiral diphosphines |
| 12/04/2003 | US20030225287 Synthesis of chiral 2-alkyl amino acids |
| 12/04/2003 | US20030225153 Process for preparing arylaminopropanols |
| 12/04/2003 | CA2487295A1 Catalyst and process for the cyanation of aldehydes |
| 12/04/2003 | CA2486546A1 Process for the preparation of enantiomerically enriched compounds |
| 12/03/2003 | EP1366815A1 Catalyst for asymmetric epoxidation of enones and process for producing optically active epoxide employing it |
| 12/03/2003 | EP1366814A1 Osmium oxide deposited on hydrophilic polymer support |
| 12/02/2003 | US6657070 Production of chirally pure α-amino acids and N-sulfonyl α-amino acids |
| 11/30/2003 | CA2429058A1 Method of producing oxybutynin and its derivatives |
| 11/27/2003 | WO2003097622A2 Synthesis of 2-alkylcysteines, 2-(hydroxylated phenyl)-4-alkylthiazoline-4-carboxylic acids and derivatives thereof |
| 11/27/2003 | WO2003097582A2 Synthesis of benzonitriles and benzimidates |
| 11/27/2003 | WO2003097581A1 Continuous process for the cyanation of hydrogenated beta-ketoesters |
| 11/27/2003 | WO2003097571A1 Process for hydrogenating unactivated imines using ruthenium complexes as catalysts |
| 11/27/2003 | WO2003097570A1 Process for the production of 4-methylcyclopentenone derivatives |
| 11/27/2003 | WO2003097569A1 Continuous process for the enantioselective catalytic hydrogenation of beta-ketoesters |
| 11/27/2003 | WO2003040119A8 Angiogenesis inhibitors |
| 11/27/2003 | US20030220504 Forming a phenyl-thiazoles chemical intermediates for making antioxidants, ferrielectric liquid crystal dopant, picornaviral viricides, antiinflammatory agents, anti-asthma agents, and fibringoen antagonists |
| 11/27/2003 | CA2486139A1 Continuous process for the enantioselective catalytic hydrogenation of beta-ketoesters |
| 11/26/2003 | EP1364932A1 Process for the preparation of enantiomerically enriched compounds |
| 11/26/2003 | EP1363885A1 Substituted propane-1,3-diamine derivatives and the pharmaceutical use thereof |
| 11/26/2003 | EP1363516A1 An improved process for preparing simvastatin |
| 11/26/2003 | CN1128785C Method for producing optically active 1-phenyl ethylamines |
| 11/25/2003 | US6653485 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 |
| 11/20/2003 | WO2003095415A2 Aminated compounds bearing at least an allyl and a difluoromethyl and method used for synthesis thereof |
| 11/20/2003 | WO2003050062A3 PRODUCTION OF CHIRALLY PURE α-AMINO ACIDS ADN N-SULFONYL α-AMINO ACIDS |
| 11/20/2003 | WO2003004157A3 Optically active catalysts containing a salen ligand and vanadium (iv), production thereof and use of the same for producing cyanohydrins |
| 11/20/2003 | US20030216250 Stereoselective hydrolyses of chiral epoxides |
| 11/19/2003 | EP1362024A1 Preparation of mandelic acid derivatives |