| Patents for C07B 53 - Asymmetric syntheses (6,231) |
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| 12/30/2009 | CN101613310A Method of preparing amine stereoisomers |
| 12/30/2009 | CA2728552A1 Synthesis of chiral amines |
| 12/23/2009 | EP1666482B1 Process for producing penicillanic acid compound |
| 12/17/2009 | WO2009068284A3 Process for the stereoselective reduction of ketoimines catalysed by trichlorosilane |
| 12/16/2009 | EP2133343A1 Process for production of optically active epoxy compound |
| 12/16/2009 | EP2132155A1 Method of producing an optically active cyanohydrin derivative |
| 12/16/2009 | CN101602651A Method for synthesizing L-menthol |
| 12/15/2009 | CA2385421C Chiral phosphines, transition metal complexes thereof and uses thereof in asymmetric reactions |
| 12/15/2009 | CA2342217C Process for producing stereoselective nitro compounds |
| 12/10/2009 | WO2009148046A1 Method of producing optically active amino acid derivative |
| 12/10/2009 | WO2009146607A1 A preparation method of (4s,5r)-semiester |
| 12/09/2009 | CN101597286A Organic catalyst containing primary amine, tertiary amine and urea or thiourea and preparation method thereof |
| 12/09/2009 | CN100567255C Process for producing optically active beta-hydroxy-alpha-aminocarboxylic acid derivatives |
| 12/08/2009 | US7629472 Preparing a beta-hydroxy-beta-heteroaryl ester by reacting a beta-halozinc ester Reformatsky reagent with an alpha-carbonylheteroaryl compound in the presence of a cinchona alkaloid; the heteroaryl is preferably an optionally substituted 2-pyridyl group or 4-imidazolyl group; stereospecific; drugs |
| 12/03/2009 | WO2009144906A1 Aluminum complex and use thereof |
| 12/03/2009 | US20090299065 Process for the manufacture of organic compounds |
| 12/02/2009 | EP2128167A1 Phosphoroamide compound, method for producing the same, ligand, complex, catalyst, and method for producing optically active alcohol |
| 12/02/2009 | EP1490346B1 Stereoselective alkylation of chiral 2-methyl-4-protected piperazines |
| 12/02/2009 | CN101591354A Functionalized ionic liquids, and methods of use thereof |
| 12/02/2009 | CN101591282A Method for synthesizing aztreonam intermediate 3-amino-2-methyl-4-oxo-1-nitrogen-containing heterocyclic ring butyl sulfonic acid |
| 12/02/2009 | CN101591275A Method for synthesizing 1,6-eneyne compounds |
| 12/01/2009 | US7626034 Optically active beta-amino acids in short steps with good yield and high optical purity; methyl (3R)-3-aminobutanoate from methyl acetoacetonate, ammonium acetate andmethanol using a 2,2'-bis(di(3,5-dimethylphenyl)phosphino)-1,1'-binaphthyl (DM-BINAP),RuCl(p-cymene) catalyst; no protection needed |
| 12/01/2009 | US7625443 Bisarylphosphines as catalyst |
| 11/25/2009 | EP2123661A1 Chiral iridium aqua complex and method for producing optically active hydroxy compound by using the same |
| 11/25/2009 | CN101585834A Preparation and use of aromatic heterocyclic methylene BOZ |
| 11/25/2009 | CN101585812A Preparation method of (S) type thioic imidazolone compound |
| 11/25/2009 | CN101585808A Method for asymmetric catalytic hydrogenation of quinoline derivatives |
| 11/25/2009 | CN101585795A Reaction method of catalyzing asymmetric alkyl by an (S) type thioic imidazolone compound |
| 11/19/2009 | WO2009139438A1 Process for production of optically active carboxylic acid |
| 11/19/2009 | US20090286997 Process for preparing arylaminopropanols |
| 11/18/2009 | EP2119709A1 Method for producing optically active 2-arylpiperazine derivative |
| 11/18/2009 | CN101580518A Method for producing diphosphine compound and intermediate for producing the same |
| 11/17/2009 | US7619106 Hydrogenation catalyst which is organometallic complex |
| 11/17/2009 | US7619003 Via acid and basic catalysts; improved efficiency |
| 11/11/2009 | CN101578257A Process for production of hydroxyadamantaneamine |
| 11/11/2009 | CN101575298A Method for preparing chiral medicinal intermediate 2-amido-1-phenylethylalcohol |
| 11/10/2009 | US7615573 Via amino ceramide-like compounds; lowering glycosphingolipid concentrations; Fabry's disease, Gaucher's disease |
| 11/10/2009 | CA2381246C Process for preparing adrenaline |
| 11/10/2009 | CA2378792C Aminothiazole derivatives and their use as crf receptor ligands |
| 11/03/2009 | CA2427579C Ortho substituted chiral phosphines and phosphinites and their use in asymmetric catalytic reactions |
| 10/28/2009 | EP1689760B1 Method for asymmetric synthesis |
| 10/28/2009 | CN101565436A 3, 3'-position biaryl group binaphthyl shaft chiral phosphoramidite ligand and preparation method thereof |
| 10/28/2009 | CN101565435A P-chiral phospholanes and phosphocyclic compounds and their use in asymmetric catalytic reactions |
| 10/28/2009 | CN101565423A Thienopyridine derivatives, production method and use thereof |
| 10/28/2009 | CN101565397A N-Boc-3-aminopiperidine and synthesizing method of optical isomer thereof |
| 10/28/2009 | CN101565366A Application of iridium complex in asymmetry catalytic hydrogenation of unsaturated carboxylic acid |
| 10/22/2009 | WO2009128390A1 Method for producing optically active cyanohydrin compound |
| 10/21/2009 | CN101560191A Alpha-menaphthyl substituted spiro bis(oxazoline) ligands, synthetic method and application thereof in synthesizing pyrazolidine derivatives |
| 10/20/2009 | CA2427762C Process for the preparation of crystalline n-formimidoyl thienamycin monohydrate (imipenem monohydrate) |
| 10/15/2009 | WO2009125581A1 Catechol manufacturing method |
| 10/15/2009 | WO2009125565A1 Ruthenium compound and method for producing optically active aminoalcohol compound |
| 10/14/2009 | CN101555259A Phosphine oxazoline ligand of spiral ring skeleton, a synthetic method thereof and applications in asymmetric hydrogenation of various types of imine coumpounds and various types of non-functionalized |
| 10/13/2009 | US7601865 Introducing tertiary amine and CO2 to dilute salt solution to form acid/amine complex and insoluble carbonate salt, introducing water immiscible solvent to dilute salt solution to form reaction phase, continuously drying reaction phase and forming product |
| 10/13/2009 | CA2367897C Method for hydrolyzing optically active amides |
| 10/07/2009 | EP1686114B1 Process for producing optically active 2-alkylcysteine, derivative thereof, and processes for production |
| 09/30/2009 | EP2105507A1 Deracemisation of amines |
| 09/30/2009 | EP1806336B1 Titanium compound and method for producing optically active cyanohydrins |
| 09/30/2009 | EP1412323B1 Protected 3,5-dihydroxy-2,2-dimethyl-valeronitriles for the synthesis of epothilones and derivatives and method for the production and use thereof |
| 09/30/2009 | CN101544604A Tricyclic compounds |
| 09/30/2009 | CN101544566A Asymmetric conjugate addition method for bifunctional catalytic olefine aldehyde and nitroparaffin |
| 09/24/2009 | WO2008115919A3 Methods for the preparation, formulation and use of lithium valproate |
| 09/24/2009 | US20090240066 Intermediates for the production of optically active cyclopropylamine derivatives and process for the production of the intermediates |
| 09/23/2009 | CN101538264A Novel method for preparing chiral sulphoxide compound |
| 09/17/2009 | WO2009113409A1 Diamino acid derivative starting material, manufacturing method thereof, and diamino acid derivative manufacturing method |
| 09/17/2009 | DE102008013962A1 Verfahren zur Herstellung von chiralen a,ß-Epoxyketonen A process for preparing a chiral ß-epoxyketones |
| 09/16/2009 | EP2100875A1 Asymmetric reductive amination of keto acid derivatives for producing amino acid derivatives |
| 09/16/2009 | EP2099801A1 Imidazoý1,5-b¨pyridazinamido ligands and their complexes |
| 09/16/2009 | EP1419149B1 Benzo[g]quinoline derivatives for treating glaucoma and myopia |
| 09/16/2009 | CN101531630A Asymmetric chiral double-Schiff base simple synthesizing method |
| 09/15/2009 | US7589221 Process for producing (2R)-2-propyloctanoic acid and intermediate therefor |
| 09/15/2009 | US7589215 Polymer enlarged ligands or complexes advantageous in catalytic processes carried out in a membrane reactor; high enantiomeric purity |
| 09/15/2009 | US7589196 1,1'-Biphenyl-2,2'-diphosphines having at least one amine substituent in the para position relative to the phosphine group; as ligands for metal complexes which are catalysts for enantioselective syntheses such as hydrogenation, isomerization |
| 09/15/2009 | CA2380566C Novel chiral phosphorus ligands and the use thereof in the production of optically active products |
| 09/11/2009 | WO2009110609A1 Method for producing phosphoroamide compound, method for producing complex, and method for producing optically active alcohol |
| 09/09/2009 | EP2098501A1 Method for producing optically active fluorine-containing carbonyl-ene product |
| 09/09/2009 | EP1587620B1 Hydrogenation catalysts |
| 09/09/2009 | CN101525344A Method for preparing isopinocampheyl borone chloride |
| 09/09/2009 | CN101525308A Method for synthesizing chiral sulfenamide |
| 09/09/2009 | CN101525293A Production method of optically active N-benzyl-1-phenylethylamine |
| 09/09/2009 | CN101525291A Green asymmetric synthesis method of chiral bicyclics compound |
| 09/08/2009 | US7585973 chemical synthesis for forming a conjugate of anticancer drug with folic acid; chemotherapy drug |
| 09/08/2009 | CA2341010C Process for the manufacture of ethanesulfonyl-piperidine derivatives |
| 09/02/2009 | EP2095875A1 Homogeneous asymmetric hydrogenation catalyst |
| 09/02/2009 | EP2094624A1 Assymmetric hydrogeneration of prochiral compounds |
| 09/02/2009 | CN101519401A Intermediate (S)-2-(2-thiophene ethylamine)(2-chlorphenyl)methyl acetate of clopidogrel and method for preparing salts thereof |
| 09/02/2009 | CN101519384A Chiral oxazoline and synthesis method thereof |
| 09/02/2009 | CN101519335A Method for improving selectivity of heterogeneous asymmetric catalytic reaction enantiomer |
| 09/01/2009 | US7582776 Using 3-hydroxy-3(2-thiophenyl)-N-methylpropionamide; chemical intermediate for fluoxetine |
| 08/26/2009 | EP1477488B1 Novel optically active compounds, method for kinetic optical resolution of carboxylic acid derivatives and catalysts therefor |
| 08/26/2009 | CN101516898A Method for producing phosphorus-containing a-amino acid and production intermediate thereof |
| 08/20/2009 | WO2009102043A1 Method for producing optically active 4-amino-3-(3,4-dichlorophenyl)butan-1-ol and intermediate therefor |
| 08/20/2009 | WO2009101162A1 Imidazole group-containing phosphorus compounds |
| 08/20/2009 | CA2715225A1 Imidazole group-containing phosphorus compounds |
| 08/19/2009 | CN101511776A Process for production of optically active alpha-amino acid benzyl ester |
| 08/19/2009 | CN101508702A Tetrahydroquinoline and indoline derivative phosphor nitrogen ligand, synthesis and uses thereof |
| 08/19/2009 | CN100528329C Microencapsulated catalyst, methods of preparation and methods of use thereof |
| 08/18/2009 | US7576234 Synthesis of 2-alkyl amino acids |
| 08/18/2009 | US7576118 Asymmetric hydrogenation process |
| 08/12/2009 | EP2088144A1 Method of producing s-(-)-6-hydroxy-2,5,7,8-tetramethylchromane-2-carboxylic acid and product obtained by the method |
| 08/12/2009 | EP2088136A1 Process for production of hydroxyadamantaneamine |