Patents for C07B 53 - Asymmetric syntheses (6,231) |
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07/31/2003 | CA2471389A1 Process for the preparation of nonracemic syn-1-(4-hydroxy-phenyl)-2-(4-hydroxy-4-phenyl-piperidin-1yl)-1-propanol compounds |
07/30/2003 | EP1330245A1 Pravastatin sodium substantially free of pravastatin lactone and epi-pravastatin, and compositions containing same |
07/30/2003 | EP1180035A4 NON-CALCEMIC, ANTIPROLIFERATIVE, TRANSCRIPTIONALLY ACTIVE SULFUR-CONTAINING ANALOGS OF 1$g(a), 25-DIHYDROXY VITAMIN D 3? |
07/30/2003 | CN1433397A Method for the prepararation of enantiomerically enriched compounds |
07/29/2003 | US6600062 Enantioselectivity; epoxidizing and hydrolyzing the geranyloxy compound |
07/24/2003 | WO2003059902A1 Method for producing thioctic acid |
07/24/2003 | WO2003059512A1 Immobilized catalyst for heterogeneous catalysis |
07/24/2003 | WO2003059335A1 Phenyl sulfoxides and phenyl sulfones |
07/24/2003 | WO2003031456A3 Ligands for asymmetric reactions |
07/24/2003 | WO2002022529A3 1,4-diaryl-2,3-difluoro-2-butene insecticidal and acaricidal agents |
07/24/2003 | US20030139628 Process for the preparation of optically active amines or salts thereof |
07/24/2003 | US20030139625 Hydrolysis, enantioselective hydrogenation in presence of a hydrogenation catalyst metal complexes |
07/24/2003 | US20030139614 Catalyzing the decyclization of racemic and diastereomeric epoxides mixtures in the presence of a non-racemic, chiral catalyst; pharmaceutical synthesis |
07/24/2003 | US20030139285 Novel asymmetric phosphine ligand |
07/24/2003 | CA2473374A1 Phenyl sulfoxides and phenyl sulfones |
07/23/2003 | EP1025083B1 Process for stereoselective synthesis of prostacyclin derivatives |
07/22/2003 | US6596898 Making a 2-fluoro-2-chlorocyclopropanecarboxylic acid derivative stereoselectively in high yield by reacting a diazoacetic acid derivative with 1-fluoro-1-chloroethylene using metal catalyst having chiral ligands |
07/22/2003 | US6596887 Reacting a ruthenium-phosphine complex with a specific optically active chiral diamine to deactivate one of the enantiomers and with another diamine to activate the other enantiomers |
07/22/2003 | US6596870 Asymmetric hydride reductions of carbonyl groups using a chiral non-racemic phase transfer catalyst, a helper nucleophile, and a sterically bulky reagent nucleophile |
07/17/2003 | WO2003057649A2 Ammonium ionophore |
07/17/2003 | CA2471446A1 Ammonium ionophore |
07/16/2003 | EP1326846A1 Process for preparation of integrin receptor antagonist intermediates |
07/16/2003 | CN1430677A Process for preparation of enantiomerically enriched esters and alcohols |
07/15/2003 | US6593489 Catalytic stereoselective hydrogenation |
07/15/2003 | US6593350 For therapy of depression, obsessive compulsive disorder, panic attacks, generalized anxiety disorder, social anxiety disorder, sexual dysfunction, eating disorders, obesity, addictive disorders caused by ethanol or cocaine abuse |
07/10/2003 | US20030130488 An asymmetric catalyst that can epoxidize unsaturated amides or ketones |
07/10/2003 | US20030129713 Reacting the ketals or acetals with a cyanide donor in the presence of an (R)- or (S)- hydroxynitrile lyase |
07/09/2003 | EP1325908A1 Process for the preparation of an enantiomerically enriched thio compound |
07/09/2003 | EP1325013A2 Catalyst for asymmetric (transfer) hydrogenation |
07/09/2003 | EP1292602A4 New chiral salen catalyst and methods for the preparation of chiral compounds from racemic epoxides by using new catalyst |
07/09/2003 | EP1233939A4 Process for preparing optically active alpha-hydroxy acids and derivatives thereof |
07/09/2003 | EP1173430B1 Enantiomers of mercapto lactones and processes for their synthesis |
07/09/2003 | EP1155024B1 Chiral diazaphospholidine ligands |
07/09/2003 | EP1064244B1 Method for separating a diphosphine diastereoisomers |
07/09/2003 | CN1429206A 磺酰胺衍生物 Sulfonamide derivatives |
07/09/2003 | CN1429204A Process for preparing biphenyl compounds |
07/09/2003 | CN1429197A Shortened synthesis of 3,3-diarylpropylamine derivatives |
07/09/2003 | CN1113874C Benzocycloalkylazolethione derivatives |
07/08/2003 | CA2153549C New benzothiadiazine derivative, process for preparing the same and pharmaceutical compositions containing said derivative |
07/03/2003 | WO2003053916A1 Process for preparing 2-(substituted phenyl) - 2 - hydroxy-ethyl carbamates |
07/03/2003 | WO2003053886A1 Volume gassing |
07/03/2003 | WO2003053176A2 Method and compositions for imparting cooling effect to tobacco products |
07/03/2003 | WO2002094849A3 Process for the production of 6, 7 - dihydroxy steroid compounds by allylic oxidation of steroid - 5 - ene compounds to steroid - 5 - ene - 7 - one compounds followed by hydroboration and oxidation and intermediates of this process |
07/03/2003 | US20030125575 Process for the preparation of(R)-2-bromo-3-phenyl -propionic acid |
07/03/2003 | US20030125563 Asymmetric 1,4-reductions of and 1,4-additions to enoates and related systems |
07/03/2003 | CA2681964A1 Process for preparing 2-(substituted phenyl) - 2 - hydroxy-ethyl carbamates |
07/02/2003 | EP1323828A2 Method for the preparation of enantiomerically enriched cyanohydrines using acetals or ketals as substratess |
07/02/2003 | EP1323724A2 Novel ruthenium complexes and process for preparing alcoholic compounds using these |
07/02/2003 | EP1322652A1 Stereoselective process for preparing cyclohexyl amine derivatives |
07/02/2003 | CN1427840A Azabicyclic carbamates and their use as alpha-7 nicotinic acetyl choline receptor agonists |
07/02/2003 | CN1427829A Substituted phenylacetamides and their use as glucokinase activators |
07/01/2003 | US6586616 Process for preparing(R)-4-cyano-3-hydroxybutyric acid ester |
07/01/2003 | US6586456 Corticotropin releasing factor (CRF) antagonists such as (4-(2-chloro-4-methoxy-5-methylphenyl)-5-methylthiazol-2-yl)(( (1-(3-fluoro-4-methylphenyl)-2-methoxyethyl))prop-2-ynylamine, prepared by alkylation with propagyl bromide |
07/01/2003 | US6586434 Method for the preparation of tetrahydrobenzothiepines |
07/01/2003 | CA2120919C New ligands for asymmetric dihydroxylation: multiple cinchona alkaloid units attached to a central heterocyclic core |
06/28/2003 | CA2414265A1 Novel ruthenium complexes and process for preparing alcoholic compounds using these |
06/27/2003 | CA2415168A1 Process for preparing enantiomer-enriched cyanohydrins using acetals orketals as substrates |
06/26/2003 | WO2003051827A1 Process for the preparation of an enantiomerically enriched thio compound |
06/26/2003 | US20030120122 Hydrogenation catalysts |
06/26/2003 | US20030120091 Method for producing optically active lactone compounds by using salen cobalt complexes having a cis-beta structure |
06/26/2003 | US20030120088 Hydrogenation catalyst for asymmetrically reducing prochiral ketone or imine |
06/26/2003 | US20030119664 Hydrogenation catalyst containing phosphite group |
06/26/2003 | US20030119659 Ligands and asymmetric catalysts made by using the same |
06/26/2003 | US20030118483 Pressurized chemical reactor; sealing |
06/25/2003 | EP1321452A2 Process for the preparation of optically active amines or salts thereof |
06/25/2003 | EP1320518A2 Preparation of enantiomerically-enriched cyclopropylalanine derivatives |
06/25/2003 | EP1235792A4 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 |
06/25/2003 | CN1425655A Method for preparing pyrimidine derivative |
06/25/2003 | CN1112354C Stereo specific prepn. of chiral 1-aryl-and 1-heteroaryl-2-substituted ethyl-2-amines |
06/24/2003 | US6583309 Ureas and compositions thereof for treating cancer, inflammation, or a viral infection |
06/24/2003 | US6583306 Forming dioxolane derivative of citramalic acid; replacing free carboxylic acid with leaving group; coupling with hydroxyl, amino, thiol, sulphinyl or sulphonyl reactive compound; deprotecting; amidation with aniline derivitive |
06/24/2003 | US6583305 Ferrocene-based diphosphonites for asymmetrical catalysis |
06/19/2003 | WO2003050063A2 PROCESS FOR THE SYNTHESIS OF CHIRALLY PURE β-AMINO-ALCOHOLS |
06/19/2003 | WO2003050062A2 PRODUCTION OF CHIRALLY PURE α-AMINO ACIDS ADN N-SULFONYL α-AMINO ACIDS |
06/19/2003 | WO2003049681A2 Synthesis of 4,5-dihydro-pyrazolo [3,4-c] pyrid-2-ones |
06/19/2003 | WO2003029267A3 METHOD OF PRODUCING 17β-(SUBSTITUTED)-3-OXO-Δ1,2-4-AZASTEROIDS AND INTERMEDIATES |
06/19/2003 | CA2470111A1 Production of chirally pure .alpha.-amino acids and n-sulfonyl .alpha.-amino acids |
06/19/2003 | CA2469021A1 Process for the synthesis of chirally pure .beta.-amino-alcohols |
06/18/2003 | EP1319660A1 Optically active azetidincarboxamide-coordinated transition metal complexes as catalysts in asymmetric reduction |
06/18/2003 | EP1318990A1 Process for preparing optically active epoxides |
06/18/2003 | EP0757677B1 Benzocyclohexylimidazolethione derivatives |
06/17/2003 | US6580003 Catalytic asymmetric desymmetrization of meso compounds |
06/12/2003 | WO2003048173A1 Chiral ligands for asymmetric catalysis |
06/12/2003 | WO2003048117A2 Propanolaminomethyltetralines, their preparation and pharmaceutical composition comprising same |
06/12/2003 | WO2003048102A1 Method for the production of dihydroxycarboxylate esters |
06/12/2003 | US20030109712 Preparation of optically active alpha-hydroxyethers |
06/12/2003 | CA2468437A1 Method for the production of dihydroxycarboxylate esters |
06/11/2003 | EP1318156A1 Novel asymmetric phosphine ligand |
06/11/2003 | EP1318155A1 Novel asymmetric phosphine ligand |
06/11/2003 | EP1317461A1 4-cyclohexyl-1,3,2-oxazaborolidine chiral accessories |
06/11/2003 | EP1317460A1 Compounds containing oxazolidinone moiety and uses thereof |
06/11/2003 | EP1317427A1 Method for producing chiral compounds |
06/10/2003 | US6576772 Chiral phosphines, transition metal complexes thereof and uses thereof in asymmetric reactions |
06/05/2003 | WO2003045878A2 2,w-diaminocarboxylic acid compounds |
06/05/2003 | US20030105341 Process for producing optically active gamma-butyrolactone |
06/05/2003 | US20030105306 Transition metal oxo, sulfido and amido complexes as catalysts of nucleophilic addition reactions |
06/05/2003 | US20030105113 Enantiomers of 1-[ (4-chlorophenyl) phenylmethyl ] -4-[ (4-methylphenyl) sulfonyl ] piperazine |
06/05/2003 | US20030105112 Enantiomers of 1-[(4-chlorophenyl) phenylmethyl]-4-[(4-methylphenyl) sulfonyl] piperazine |
06/05/2003 | CA2467665A1 2,w-diaminocarboxylic acid compounds |
06/03/2003 | US6573395 Zinc complex with a chiral ligand, such as diethylzinc((S,S)-N-N'-ethylene-bis-(1-phenylethylamine)) |