Patents for C07B 53 - Asymmetric syntheses (6,231) |
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08/22/2002 | US20020115896 Asymmetric hydride reductions of carbonyl groups using a chiral non-racemic phase transfer catalyst, a helper nucleophile, and a sterically bulky reagent nucleophile |
08/22/2002 | US20020115715 Amine and amide derivatives as ligands for the neuropeptide Y Y5 receptor useful in the treatment of obesity and other disorders |
08/21/2002 | CN1365350A Process for the cis-selective catalytic hydrogenation of cyclohexylidenamines |
08/20/2002 | US6437094 Peptido-mimetic compounds containing RGD sequence useful as integrin inhibitors |
08/20/2002 | US6436942 Enantiomers of 1[(4-chloro-phenyl) phenylmethyl]-4-[(4-methylphenyl) sulfony]piperazine |
08/15/2002 | WO2002062809A1 Ruthenium complex and process for producing alcohol compound |
08/15/2002 | US20020111515 Process for the preparation of non-chiral and optically active organic compounds containing hydroxyl groups |
08/13/2002 | US6433209 Alpha-substitution of unprotected β-amino ester compounds |
08/13/2002 | US6433172 Cardiovascular disorders; hypotensive agents; anticholesterol agents |
08/08/2002 | WO2002060850A1 METHOD OF SYNTHESIZING α-KETOL UNSATURATED FATTY ACID |
08/08/2002 | DE10105104A1 Verfahren zur Herstellung von nicht-chiralen und optisch aktiven Hydroxygruppen enthaltenden organischen Verbindungen Process for the preparation containing non-chiral and optically active hydroxy organic compounds |
08/08/2002 | CA2397868A1 A synthetic method of a-ketol unsaturated fatty acids |
08/07/2002 | EP1228034A2 Chiral phosphines, transition metal complexes thereof and uses thereof in asymmetric reactions |
08/07/2002 | EP1227883A1 Catalyst for asymmetric transfer hydrogenation |
07/31/2002 | EP1226115A1 Novel carbamates and ureas |
07/31/2002 | EP0984972B1 Chiral phosphorus-based ligands |
07/25/2002 | WO2002057278A1 Ligands and their use |
07/25/2002 | WO2002044161A3 A process for the preparation of taxan derivatives |
07/25/2002 | US20020099224 Hydrolysis of [R (R*, R*)]-2-(4-fluorophenyl)-beta,delta-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrole-1-heptanoic acid esters with calcium hydroxide |
07/25/2002 | US20020099034 Process for stereoselective synthesis of prostacyclin derivatives |
07/24/2002 | EP1225166A1 Process for the preparation of enantiomer-enriched beta-amino acids |
07/24/2002 | EP1224161A1 Nitroxy derivatives of (r) and (s)-carnitine |
07/24/2002 | EP1131278A4 Process for production of esters |
07/23/2002 | US6423874 Decyclization using catalyst |
07/18/2002 | WO2002055477A1 RUTHENIUM COMPOUND, DIAMINE COMPOUND, AND PROCESS FOR PRODUCING β-AMINO -ALCOHOL |
07/18/2002 | WO2002055195A2 Asymmetric ruthenium hydrogenation catalysts and processes |
07/18/2002 | US20020095061 Enantioselectivity; epoxidizing and hydrolyzing the geranyloxy compound |
07/18/2002 | US20020095056 Hydrogenation of an imine in the presence of a base and, a ruthenium complex of a chiral diphosphine and diamine catalyst |
07/18/2002 | US20020095049 Unsymmetrical bicycloaliphatic chiral diphosphines and phosphine phosphinites, complexes of these compounds with metals of groups VIIb, VIIIb and Ib as hydrogenation catalysts |
07/18/2002 | DE10100971A1 Preparation of N-acyl-beta-amino-acid, for conversion to beta-amino-acid used e.g. in bioactive substance synthesis, uses bis(diorganylphosphino) compound in catalytic hydrogenation of N-acyl-beta-amino-acrylic acid in polar solvent |
07/17/2002 | EP1222165A2 Methods of asymmetrically synthesizing enantiomers of casodex, its derivatives and intermediates thereof |
07/17/2002 | CN1359373A 6[(aryl and heteroaryl)oxy] methyl] naphthalene-2-carboximidamide derivatives, preparation and therapeutic application thereof |
07/16/2002 | US6420600 Hydroxyalkylphenyldiamides |
07/16/2002 | US6420591 Carbamates and compositions thereof, and methods for their use for treating cancer, inflammation, or a viral infection |
07/11/2002 | WO2002053517A2 Process for stereoselective synthesis of prostacyclin derivatives |
07/11/2002 | WO2002026695A3 Preparation of enantiomerically-enriched cyclopropylalanine derivatives |
07/11/2002 | US20020091280 Chiral ferrocene phosphines and their use in asymmetric catalytic reactions |
07/11/2002 | US20020091269 Synthesis of epothilones and related analogs |
07/11/2002 | CA2433883A1 Process for stereoselective synthesis of prostacyclin derivatives |
07/10/2002 | CN1358185A Optically active quinoline carboxylic acid derivatives having T-pyrrolidine substues causing optical activity and process for preparing thereof |
07/10/2002 | CN1358170A Process for preparing (-)-(1S, 4R) N-protected 4-amino-2-cyclopentene-1-carboxylate esters |
07/10/2002 | CN1358163A Process for the synthesis (R)-1-(3.5-bis (trifluoromethyl)-phenyl) ethan-1-ol by asymmetric transfer hydrogenation |
07/09/2002 | US6417339 Core, spacers |
07/04/2002 | WO2002051781A1 Process for producing optically active halohydrin compound |
07/04/2002 | WO2002038543A3 3-substituted oxindole beta 3 agonists |
07/04/2002 | US20020087017 Locates chirality closer to the metal center than known metal phospholane complexes; provide high enantiomeric excesses of formed compounds |
07/04/2002 | US20020087011 Improved process and novel intermediates to endothelin receptor antagonists |
07/03/2002 | EP1219623A1 New esters derived from substituted phenyl-cyclohexyl compounds |
07/03/2002 | EP1219594A1 New esters derived from substituted phenyl-cyclohexyl compounds |
07/03/2002 | EP1218544A1 Methods for identifying rna binding compounds |
07/03/2002 | EP1218388A1 Electronically tuned ligands |
07/03/2002 | EP1218349A2 Method for selectively dissociating cyclic carboxylic acid anhydrides |
06/26/2002 | EP1216250A1 Thienoisoxazolyl and thienylpyrrazolyl phenoxy substituted propyl derivatives useful as d4 antagonists |
06/25/2002 | US6410746 Metal cataltsts and methods for making and using same |
06/25/2002 | US6410592 Aminomethylcarboxylic acid derivatives |
06/25/2002 | US6409769 Kinetic resolution of olefins |
06/20/2002 | WO2002048162A1 Chiral polymeric salen catalyst, and a process for preparing chiral compounds from racemic epoxides by using them |
06/20/2002 | WO2002048161A1 P-chirale bisphospholane ligands, their transition metal complexes |
06/20/2002 | WO2002004384A3 Process for preparing (-)menthol and similar compounds |
06/20/2002 | CA2428778A1 P-chirale bisphospholane ligands, their transition metal complexes |
06/19/2002 | EP1214328A1 Chiral phosphines, transition metal complexes thereof and uses thereof in asymmetric reactions |
06/13/2002 | WO2002022569A8 Method for producing chiral compounds |
06/13/2002 | WO2001039884A3 Chiral catalysts for asymmetric acylation and related transformations |
06/13/2002 | US20020072636 Optically active diphosphines, preparation thereof according to a process for the resolution of the racemic mixture and use thereof |
06/12/2002 | EP0946570B1 Process for the preparation of an organozinc reagent |
06/12/2002 | EP0775146B1 Novel process for the preparation of diisopinocampheylchloroborane |
06/12/2002 | CN1353693A Substituted phenylcyclohexane carboxylic acid amides and their use as adenosine uptake inhibitors |
06/12/2002 | CN1353687A High purity (1R,2S,4R)-(-)-2-[(2'-{N,N-dimethylamino}-ethoxy)]-2-[phenyl]-1,7,7-tri-[methyl]-bicyclo [2.2.1] heptane and pharmaceutically acceptable acid addition salts thereof |
06/12/2002 | CN1353686A Process for preparing (1R,2S,4R)-(-)-2-[(2'-{N,N-dimethylamino}-ethoxy)]-2-[phenyl]-1,7,7-tri-[methyl]-bicyclo[2.2.1] heptane and pharmaceutically acceptable acid addition salts thereof |
06/11/2002 | US6403824 Process for the preparation for 4,5-diamino shikimic acid derivatives |
06/11/2002 | US6403522 Polymeric homogeneous catalysts |
06/06/2002 | WO2002044161A2 A process for the preparation of taxan derivatives |
06/06/2002 | WO2002044111A1 Transfer hydrogenation process and catalyst |
06/06/2002 | WO2002043667A2 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 |
06/06/2002 | CA2430295A1 Transfer hydrogenation process and catalyst |
06/06/2002 | CA2427255A1 Hydrolysis of [r(r*,r*)]-2-(4-fluorophenyl)-.beta.,.delta. -dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1h-pyrrole-1-heptanoic acid esters with calcium hydroxide |
06/05/2002 | EP1210324A1 Substituted cyclopentenes, their preparation and their use for chiral scaffolds |
06/05/2002 | EP1210318A1 Method for the production of adrenaline |
06/05/2002 | EP1210305A1 Transfer hydrogenation process |
06/05/2002 | CN1352695A Method for producing optically active 1-amino-4-hydroxymethyl-cyclopent-2-ene derivatives |
06/05/2002 | CN1352630A Process for preparing R-(-)-carnitine S-(-)-chlorosuccinic acid or from a derivative thereof |
06/04/2002 | US6399834 Methods for producing chiral aldehydes |
06/04/2002 | US6399787 Catalytic asymmetric hydrogenation, hydroformylation, and hydrovinylation via transition metal catalysts with phosphines and phosphites |
06/04/2002 | US6399339 Simple and efficient process using alcohol dehydrogenase in presence of a cofactor |
05/30/2002 | WO2002042346A1 Optically active polymer with epoxide functions, method for preparing same, and use thereof |
05/30/2002 | WO2002041984A2 Catalytic compositions and methods for asymmetric aldol reactions |
05/30/2002 | WO2002005953A3 Asymmetric synthetic methods based on phase transfer catalysis |
05/29/2002 | EP1209142A1 Preparation of new layered double hydroxides exchanged with osmate for asymmetric dihydroxylation of olefins to vicinal diols |
05/29/2002 | EP0863872B1 Preparation of chiral 3-hydroxy-2-pyrrolidinone derivatives |
05/29/2002 | DE10052868A1 Chiral asymmetrical bidentate organo-phosphorus ligands complexable with transition metals to give catalysts for polymerization or asymmetric (e.g. hydrogenation) reactions are obtained with widely variable properties |
05/29/2002 | DE10045832A1 Verfahren zur Herstellung chiraler Verbindungen A process for preparing chiral compounds |
05/29/2002 | DE10028443C1 Production of optically active 3,3-diaryl-propylamine derivatives comprises six step process from 4-hydroxybenzoic acid or alkyl 4-hydroxybenzoate and cinnamic acid |
05/28/2002 | US6395923 Antiischemic agents; cardiovascular disorders |
05/23/2002 | WO2002040573A1 Solid-supported optically active binaphthyls and process for preparing asymmetric amino nitrile derivatives with the same |
05/23/2002 | WO2002040493A1 Asymmetric metal complexes based on a transition metal useful for enantioselective reduction of ketone derivatives by hydride transfer |
05/23/2002 | WO2002040492A1 Chiral diphosphines and their metal complexes |
05/23/2002 | WO2002040491A1 Ortho substituted chiral phosphines and phosphinites and their use in asymmetric catayltic reactions |
05/23/2002 | WO2002040438A1 Preparation of enantiomerically pure hydroxy esters and acids |
05/23/2002 | US20020062027 Catalysts for asymmetric addition reactions, for example of hydrogen, to prochiral unsaturated organic compounds. |
05/23/2002 | US20020062004 Enantioselective hydrogenation |