| Patents for C07B 53 - Asymmetric syntheses (6,231) |
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| 08/12/2009 | CN100526290C Method for the enantioselective hydrogenation of amino alcohols |
| 08/11/2009 | US7572917 Condensation of silicon compounds with aldehydes in the presence of titanium catalysts in solvents, then reducing and hydolyzing to form drugs used for prophylaxis of atherosclerosis or as enzyme inhibitors |
| 08/11/2009 | CA2546660C Selective inhibitors of viral or bacterial neuraminidase |
| 08/06/2009 | WO2009096409A1 Catalyst and reaction process |
| 08/05/2009 | EP1509506B1 Pyridazine derivatives |
| 08/05/2009 | EP1452537B1 Process for preparation of diphosphine compounds and intermediates for the process |
| 08/05/2009 | CN101501099A Polymer having bis(diphenylphosphino)binaphthyl group |
| 08/05/2009 | CN101497588A Preparation of toluenesulfonyl hydrazone in alcanfor |
| 08/05/2009 | CN101497573A Enantioselectivity method |
| 08/05/2009 | CN100522969C Process for producing flavone C glycoside derivatives |
| 08/04/2009 | US7569599 Reacting alkylsulfonyl chloride in presence of base, cyanating, deblocking |
| 07/29/2009 | CN101492383A Process for making chiral 1,4-disubstituted piperazines |
| 07/29/2009 | CN100519572C Isoxazoline derivatives as P, N ligands |
| 07/29/2009 | CN100519571C Ligands for asymmetric reactions |
| 07/28/2009 | US7566779 1,1'-bi-{4,6-bis(trimethylsilyl)naphthyl}}-2,2'-dimethyl]a- mmonium bromide; reaction of the 2,2'-bishalomethyl binaphthyl with ammonia; chiral phase transfer catalyst easily extracted with a perfluorocarbon solvent for recycle; for stereoselective alkylation of a iminoglycine ester with a alkyl halide |
| 07/22/2009 | EP1885732B1 CHIRAL DIPHOSPHONITES AS LIGANDS IN THE RUTHENIUM-CATALYSED ENANTIOSELECTIVE REDUCTION OF KETONES ß-KETO-ESTERS AND KETIMINES |
| 07/21/2009 | US7563790 Pyridazine derivatives |
| 07/15/2009 | EP2078710A1 Method for producing asymmetric copper complex crystal |
| 07/15/2009 | EP1529037B1 Synthesis of 2-alkylcysteines, 2-(hydroxylated phenyl)-4-alkylthiazoline-4-carboxylic acids and derivatives thereof |
| 07/09/2009 | DE10297841B3 Preparation of diltiazem useful to treat angina involves synthesizing (2R,3S)-(-)-ethyl-2,3-dihydroxy-3-(4-methoxyphenyl)propionate using multifunctional catalyst, ring opening of the cyclic sulfite by 2-aminothiophenol and cyclization |
| 07/08/2009 | EP2076524A1 Chiral phosphorus compound |
| 07/01/2009 | EP1380342B1 Complex catalyst, process for producing the complex catalyst, and process for producing alcohol derivative with the complex catalyst |
| 06/30/2009 | CA2356154C Ligands and complexes for enantioselective hydrogenation |
| 06/30/2009 | CA2254693C 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 |
| 06/24/2009 | CN100503597C Enantioselective alkylation of tricyclic compounds |
| 06/18/2009 | WO2009075291A1 Optically active dinickel complex and method for producing optically active amine using the optically active dinickel complex as catalyst |
| 06/17/2009 | EP2071036A2 Methods for identifying RNA-binding compounds |
| 06/10/2009 | EP2067775A1 Synthesis of UDP-glucose: N-Acylsphingosine glucosyltransferase inhibitors |
| 06/10/2009 | EP2067769A1 Process for producing optically active beta-hydroxy-alpha-aminocarboxylic acid ester |
| 06/10/2009 | EP1819654B1 Method for the production of menthol |
| 06/10/2009 | DE102007059298A1 New chiral phosphorus ligands with adjacent phosphino and phosphinoamino groups on a benzene ring, used e.g. with iridium, rhodium or ruthenium, e.g. for enantioselective hydrogenation reactions |
| 06/10/2009 | CN100497271C Process for the preparation of enantiomerically enriched compounds |
| 06/04/2009 | DE102007045624B3 Verfahren zur Herstellung optisch aktiver α-Alkylcarbonylverbindungen A process for producing optically active α-alkylcarbonyl |
| 06/03/2009 | EP2065391A1 Method for producing phosphorus-containing -amino acid and production intermediate thereof |
| 06/03/2009 | EP2065371A1 Chiral organic catalysts for the stereoselective reduction of carbon-nitrogen double bonds for the preparation of enantiomerically enriched amines |
| 06/03/2009 | EP1218544B1 TAR RNA binding peptides |
| 06/03/2009 | CN100494203C Functionalized ionic liquids, and methods of use thereof |
| 05/28/2009 | WO2009065856A1 Coordination complex system comprising tautomeric ligands |
| 05/28/2009 | WO2009065784A1 Bidentate chiral ligands for use in catalytic asymmetric addition reactions |
| 05/28/2009 | WO2009065783A1 Bidentate secondary phosphine oxide chiral ligands for use in asymmetric addition reactions |
| 05/28/2009 | US20090137824 Metallocene-based phosphorus chiral phosphines |
| 05/28/2009 | CA2706071A1 Bidentate chiral ligands for use in catalytic asymmetric addition reactions |
| 05/28/2009 | CA2706043A1 Bidentate secondary phosphine oxide chiral ligands for use in asymmetric addition reactions |
| 05/27/2009 | EP2062906A1 Coordination complex system comprising tautomeric ligands |
| 05/27/2009 | EP2062873A1 Process for production of optically active alpha-amino acid benzyl ester |
| 05/27/2009 | CN101443293A Unsymmetrical hydrogenation formyl reaction method |
| 05/27/2009 | CN101440079A Process for the preparation of racemic citalopram and/or S- or R-citalopram |
| 05/27/2009 | CN101440077A Process for synthesizing 2-(1'(Z) alkenyl iodo-alkyl) tetrahydrofuran |
| 05/27/2009 | CN101440076A Process for synthesizing optical activity 2-(1'(Z) alkenyl iodo-alkyl) tetrahydrofuran |
| 05/26/2009 | US7538228 Transition metal complexes of ligands, e.g., oxzolines, bis-oxazolines, phosphine oxazolines and analgous thiazolines, imidazolines, pyrazolines; conformational rigidity for high enantioselectivity using bidentate ligands; catalyzed reactions include hydrogenation, hydrosilation, hydroboration and others |
| 05/26/2009 | CA2464223C Quarternary ammonium compounds and their use as antimuscarinic agents |
| 05/26/2009 | CA2337041C Aminomethylcarboxylic acid derivatives |
| 05/20/2009 | EP2060578A1 Process for production of optically active aminophosphinylbutanoic acid |
| 05/19/2009 | US7534908 Method for the production of optically active 3-alkylcarboxylic acids and the intermediate products thereof |
| 05/19/2009 | CA2192268C Amino alcohol derivative and method for preparing the same |
| 05/14/2009 | US20090124820 C1-Symmetric Bisphospine Ligands and Their Use in the Asymmetric Synthesis of Pregabalin |
| 05/13/2009 | CN101432288A Process for production of camptothecin derivative |
| 05/12/2009 | US7531683 Enantioselective catalytic hydrogenation and subsequent cyanation suitable for industrial scale; chemical intermediates for antilipemic agents |
| 05/06/2009 | EP2055689A1 Method for producing an optically active nitro compound |
| 05/06/2009 | CN101423504A Method for synthesizing chiral sultam containing hetero atom unsymmetrical hydrogenation using Pd as catalyst |
| 05/05/2009 | CA2204747C New azo derivatives of 5-aminosalicylic acid |
| 04/30/2009 | WO2009054240A1 PROCESS FOR PRODUCTION OF DISULFONIC ACID COMPOUND, ASYMMETRIC MANNICH CATALYST, PROCESS FOR PRODUCTION OF β-AMINOCARBONYL DERIVATIVE, AND NOVEL DISULFONATE SALT |
| 04/29/2009 | EP2053032A1 Method for producing optically active hydroxycarboxylic acid derivative or salt thereof |
| 04/29/2009 | EP1307427B3 Process for the cyanation of aldehydes |
| 04/29/2009 | CN101421285A Ferrocenediphosphines |
| 04/29/2009 | CN101421230A Novel phenyl-propargylether derivatives |
| 04/29/2009 | CN101417954A Method for preparing optically pure 3-amino butyl alcohol |
| 04/29/2009 | CN100482800C Steroselective preparation of cyclic L-amino acids |
| 04/29/2009 | CN100482671C Chiral monophosphorous ligand, synthetic method and its use |
| 04/29/2009 | CN100482641C Protected 3,5-dihydroxy-2, 2-dimethyl-valeronitriles for synthesis of epothilones and derivatives and method for preparaton and use thereof |
| 04/29/2009 | CN100482632C Preparation of (R)-2-alkyl-3-phenylpropionic acids |
| 04/28/2009 | US7524873 Substituted N-phenylmethyl ethanamines; N-((6-(methyloxy)-4'-(trifluoromethyl)-1,1'-biphenyl-3-yl)methyl)-1-(1-naphthalenyl)ethanamine; parathyroid hormone inhibitors; antisecretory agents; osteoporosis |
| 04/23/2009 | WO2009051216A1 Process for stereoselective production of optically active pyrrolyl-succinic acid imide derivative |
| 04/22/2009 | EP2050776A1 Polymer having bis(diphenylphosphino)binaphthyl group |
| 04/22/2009 | CN101415668A Methods for producing carboxylic acid chloride compounds |
| 04/22/2009 | CN101412738A Novel chiral iron complex, and preparation and use thereof |
| 04/22/2009 | CN101412702A Method for preparing chiral dihydrobenzofuran compounds and catalyst used thereby |
| 04/22/2009 | CN101412679A Method for synthesizing high antipode pure vicinal amino alcohols |
| 04/22/2009 | CN101412672A Chemical synthesis method for R-2-hydroxy-4-phenylbutanoate |
| 04/22/2009 | CN101411996A Macromolecule supported Cinchona bases compound, production method and application |
| 04/16/2009 | WO2008031889A3 Pnicogen-containing pseudochelating ligands |
| 04/16/2009 | US20090098048 Radioactive tyrosine derivative, method for producing same, labeling agent for positron imaging and medical agent for assessing grade of malignancy of tumor respectively composed of radioactive tyrosine derivative, and method for detecting tumor |
| 04/15/2009 | EP1409493B1 Method for producing non-chiral organic compounds containing optically active hydroxy groups |
| 04/14/2009 | US7517828 Chiral broensted acid catalyst for asymmetric synthesis and method of asymmetric synthesis with the catalyst |
| 04/09/2009 | WO2009044803A1 Process for producing product of asymmetric-catalyst michael reaction |
| 04/09/2009 | WO2009044130A1 Biaryl diphosphines |
| 04/08/2009 | EP2045014A1 Polymer-supported metal complex catalyst |
| 04/08/2009 | EP1392722B1 Echinocandin process |
| 04/08/2009 | CN101402582A Synthesis of alpha-hydroxyl-beta-aminophenol with optical activity |
| 04/07/2009 | US7514553 Dehalogenating a 6-halo- or 6,6-dihalo-carboxylic acid-protected penicillanic acid by reacting with a metal having a lower standard oxidation-reduction potential than bismuth (e.g., Al, Fe or Mg)) in the presence of bismuth metal or a bismuth compound and a reaction promoter |
| 04/07/2009 | CA2362833C Phenylalaninol derivatives |
| 04/02/2009 | WO2009040054A1 Method for the production of optically active alpha alkyl carbonyl compounds |
| 04/01/2009 | EP2042478A1 Method for producing -diaryl electron-withdrawing group substituted compound |
| 04/01/2009 | EP2041150A1 Diphosphine ligands |
| 04/01/2009 | EP2041047A2 Fatty acid blends and uses therefor |
| 04/01/2009 | CN101400632A Asymmetric catalytic hydrogenation of prochiral ketones and aldehydes |
| 04/01/2009 | CN100473638C Process for producing optically active fluorochemical |
| 03/25/2009 | EP2039689A1 Process for production of optically active 3-amino-2 -hydroxypropionic cyclopropylamide derivatives and salts thereof |
| 03/25/2009 | EP1472228B1 Process for the manufacture of hmg-coa reductase inhibitors |
| 03/25/2009 | CN101392006A Axial chirality diphosphine ligand containing bis-schiff base |