| Patents for C07B 53 - Asymmetric syntheses (6,231) |
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| 05/11/2011 | CN101225065B Chiral compound having multi-hydrogen bonds dual-function as well as synthetic method and use thereof |
| 05/10/2011 | US7939685 Hydroxylation of β-dicarbonyls with zirconium catalysts |
| 05/04/2011 | EP1647551B1 Optically active halohydrin derivative and process for producing optically active epoxy alcohol derivative from the same |
| 05/04/2011 | EP1481967B1 Process for the preparation of biaryl compounds |
| 05/04/2011 | CN102046572A Aluminum complex and use thereof |
| 05/04/2011 | CN102040625A Chiral spiro pyridylamidophosphine ligand compounds and synthesis method and application thereof |
| 05/04/2011 | CN102040594A C2 axisymmetric chiral bisoxazoline ligand compound containing imidazole salt ion pair group, and preparation and application thereof |
| 05/04/2011 | CN102039121A Platinum/carbon nanotube catalyst and preparation method and application thereof |
| 05/04/2011 | CN101693208B SBA-15 immobilized cinchona alkaloid diamine ligand and preparation method thereof |
| 05/04/2011 | CN101585808B Method for asymmetric catalytic hydrogenation of quinoline derivatives |
| 05/04/2011 | CN101279947B Synthetic method of (4S,5R)-half-ester |
| 04/28/2011 | WO2011048727A1 Novel ruthenium carbonyl complex having a tridentate ligand and manufacturing method and usage therefor |
| 04/27/2011 | CN102030780A Chiral spiro-phosphate and preparation method and application thereof |
| 04/27/2011 | CN102030721A Method for synthesizing chiral benzosultam via palladium-catalytic asymmetric hydrogenation |
| 04/27/2011 | CN102030690A Di-sulfoxide ligands with axial chirality and synthesis method thereof |
| 04/26/2011 | CA2416955C Process and intermediates for preparing retroviral protease inhibitors |
| 04/26/2011 | CA2398497C Process for the preparation of acetyl-amidiniophenylalanyl-cyclohexylglycyl-pyridinioalaninamides |
| 04/20/2011 | EP2311846A1 Chiral iridium aqua complex and method for producing optically active hydroxy compound using the same |
| 04/20/2011 | EP2311820A1 Process for the purification of latanoprost by HPLC |
| 04/20/2011 | CN102026979A Process for the preparation of an enantiomeric trisubstituted 3,4-dihydro-isoquinoline derivative |
| 04/20/2011 | CN101367780B Joint production method for (S)-3-hydroxyl-gamma-butyrolactone, (S)-3-hydroxyl tetrahydrofuran |
| 04/19/2011 | CA2490205C Process for the preparation of dioxane acetic acid esters |
| 04/14/2011 | WO2011043272A1 LIGAND FOR ASYMMETRIC SYNTHESIS CATALYST, AND PROCESS FOR PRODUCTION OF α-ALKENYL CYCLIC COMPOUND USING SAME |
| 04/14/2011 | US20110087025 Method for producing 3-amidinophenylalanine derivatives |
| 04/13/2011 | EP2307334A1 Synthesis of chiral amines |
| 04/13/2011 | CN102010360A Benzo cyclic chiral diamine |
| 04/13/2011 | CN102008978A Chiral catalyst and preparation method and application thereof |
| 04/13/2011 | CN101421230B Novel phenyl-propargylether derivatives |
| 04/13/2011 | CN101346352B 不对称还原方法 Asymmetric reduction method |
| 04/12/2011 | CA2399819C Process for the enzymatic cleavage of racemates of aminomethyl-aryl-cyclohexanol derivatives |
| 04/06/2011 | CN102007136A Imidazole group-containing phosphorus compounds |
| 04/06/2011 | CN102007095A Method for producing optically active cyanohydrin compound |
| 04/06/2011 | CN101245046B 3-indole-1-propylene compounds, process for synthesizing 3-indole-1-propylene compounds and uses thereof |
| 04/06/2011 | CN101039891B Method for producing optically active alcohol |
| 03/31/2011 | WO2011035445A1 Heterogeneous rhodium metal catalysts |
| 03/31/2011 | WO2011012687A3 Phosphine borane compounds comprising imidazol groups and method for producing phosphine borane compounds comprising imidazol groups |
| 03/31/2011 | CA2775308A1 Heterogeneous rhodium metal catalysts |
| 03/30/2011 | CN101274910B Preparation of tert-butyl (3R, 5R)-3,5-dihydroxy-7-N-phthaloylimino heptanonate |
| 03/23/2011 | EP2298729A1 Method of producing optically active amino acid derivative |
| 03/23/2011 | CN101990528A Catechol manufacturing method |
| 03/23/2011 | CN101195096B Chiral latex catalyst, production method and application thereof |
| 03/22/2011 | US7910762 mixing a pentavalent niobium compound and a tetraol having an optically active binapthol; catalysts for the following asymmetric reactions: Mannich, epoxide ring opening, allylation, cyanation, and alkylation; reacting silicon enolate with imine to form beta-aminocarbonyl compound |
| 03/17/2011 | US20110065154 Deracemisation of Amines |
| 03/16/2011 | EP2294054A1 A preparation method of (4s,5r)-semiester |
| 03/16/2011 | EP1852412B1 Process for production of optically active hydroxymethylated compounds and catalyst therefor |
| 03/15/2011 | US7906669 Metallocene-based phosphorus chiral phosphines |
| 03/15/2011 | US7906651 Catalytic system of asymmetric reactions in aqueous media; react a silicon enolate and formaldehyde; catalyst obtained by mixing chiral ligands with scandium triflate |
| 03/10/2011 | WO2011026682A1 Immobilized rhodium (iii), ruthenium (ii), or iridium (iii) catalysts for asymmetric hydrogenation reactions |
| 03/09/2011 | EP1830958B1 Process for transition metal-catalyzed asymmetric hydrogenation of acrylic acid derivatives, and a novel catalyst system for asymmetric transition metal catalysis |
| 03/08/2011 | CA2496883C Process for the enantioselective hydrogenation of amino alcohols |
| 03/02/2011 | CN101983186A Ruthenium compound and method for producing optically active aminoalcohol compound |
| 03/02/2011 | CN101982451A Asymmetric synthesis of chiral muskone and other 3-methyl cyclic ketone |
| 03/02/2011 | CN101982447A Application of O-acylation amino acid and salts thereof as catalysts for asymmetric organic synthesis reaction |
| 02/24/2011 | US20110046411 Process for the preparation of intermediates useful in the synthesis of statin derivatives |
| 02/24/2011 | US20110044891 High Metal Content Molecular Sieves and Their Manufacture |
| 02/23/2011 | CN101979378A Method for synthesizing chiral gamma-lactam compounds |
| 02/22/2011 | US7893281 Process for preparing arylaminopropanols |
| 02/17/2011 | WO2011019066A1 Method for producing optically active 1-amino-2-vinylcyclopropanecarboxylic acid ester |
| 02/17/2011 | US20110040122 Method for preparing metal salt of valproic acid |
| 02/16/2011 | CN101973952A Chiral oxazoline and synthetic method thereof |
| 02/16/2011 | CN101973951A Chiral D-oxazoline and application thereof |
| 02/16/2011 | CN101972673A Catalyst capable of enhancing catalytic activity of heterogeneous asymmetric catalytic reaction and preparation method thereof |
| 02/16/2011 | CN101972672A S-acylation L-cysteine and application of salt thereof as catalyst for asymmetrical organic synthesis reaction |
| 02/16/2011 | CN101972670A Hydrophobic adjustable multi-phase asymmetric catalyst and preparation method thereof |
| 02/16/2011 | CN101972668A Novel use of chiral diphosphonic diamide oxazoline |
| 02/09/2011 | CN101967166A Synthesis method of chiral cis-bromo.ammine.bis(ethylenediamine) cobalt bromide |
| 02/08/2011 | US7884206 Method for producing 3-amidinophenylalanine derivatives |
| 02/03/2011 | WO2011012687A2 Phosphine borane compounds comprising imidazol groups and method for producing phosphine borane compounds comprising imidazol groups |
| 02/03/2011 | CA2768744A1 Phosphine borane compounds comprising imidazol groups and method for producing phosphine borane compounds comprising imidazol groups |
| 02/02/2011 | EP2279992A1 Aluminum complex and use thereof |
| 02/02/2011 | CN101962353A Preparation method of (R) or (S)-2-aminomethyl tetrahydropyrrole |
| 01/26/2011 | EP1503979B1 Process for hydrogenating unactivated imines using ruthenium complexes as catalysts |
| 01/25/2011 | CA2472776C Process for the manufacture of hmg-coa reductase inhibitors |
| 01/20/2011 | WO2011007877A1 Method for producing optically active epoxy compound, ligand used in the method, complex, method for producing the ligand, and method for producing the complex |
| 01/19/2011 | EP2275398A1 Application of the iridium complex in asymmetric catalytic hydrogenation for unsaturated carboxylic acid |
| 01/19/2011 | EP2274313A1 Ruthenium complexes having (p-p)-coordinated disphosphorus donor ligands and processes for preparing them |
| 01/19/2011 | CN101948552A Linear polystyrene-supported chiral oxazolidine-2-selenium ketone and preparation method thereof |
| 01/12/2011 | CN101941900A Preparation method of optically pure 4-aryl-2-hydroxy-butyric acid |
| 01/12/2011 | CN101940951A Load-type chiral catalyst and application thereof in catalysis preparation of Fluoxetine intermediate |
| 01/12/2011 | CN101314554B Method for synthesizing cis-lycopene isomer from full trans lycopene with photochemistry isomerization reaction |
| 01/11/2011 | CA2449555C Hydroxylation of beta-dicarbonyls with zirconium catalysts |
| 01/11/2011 | CA2411283C Chiral monophosphites as ligands for asymetrical synthesis |
| 01/06/2011 | US20110004017 Method for producing b-mercaptocarboxylic acids |
| 01/06/2011 | US20110003987 Synthesis of udp-glucose: n-acylsphingosine glucosyltransferase inhibitors |
| 01/05/2011 | EP2269979A1 Diamino acid derivative starting material, manufacturing method thereof, and diamino acid derivative manufacturing method |
| 01/05/2011 | CN101935302A Asymmetric synthetic method of (-)-huperzine key intermediate |
| 12/29/2010 | EP2266968A2 Synthesis of UDP-glucose: N-acylsphingosine glucosyltransferase inhibitors |
| 12/29/2010 | EP2266940A1 Catechol manufacturing method |
| 12/23/2010 | WO2010145024A1 Process for the asymmetric hydrogenation of imides |
| 12/23/2010 | CA2765607A1 Process for the asymmetric hydrogenation of imides |
| 12/22/2010 | EP2264000A1 Ruthenium compound and method for producing optically active aminoalcohol compound |
| 12/22/2010 | CN101921241A Synthesis of metaxalone with optical activity |
| 12/22/2010 | CN101921229A Synthesis method of stepholidine or derivative optical isomer thereof and intermediate thereof |
| 12/22/2010 | CN101445475B Method for preparing (trans)-4-cyclohexyl-L-proline |
| 12/22/2010 | CN101333230B Phosphoramidite type diphosphine ligand, preparation method and application thereof |
| 12/21/2010 | US7855302 New sterospecifc chemical intermediates for statin drugs as astatin side chain building block to allow for a convergent ssynthesis; monoethyl ester of (3R)-acetoxyglutaaric acid chloride; efficiency; |
| 12/15/2010 | EP1642884B1 Process for producing optically active 1-alkyl-substituted 2,2,2-trifluoroethylamine |
| 12/15/2010 | CN101918419A Coordination complex system comprising tautomeric ligands |
| 12/15/2010 | CN101914174A Linear polystyrene-supported (4S)-oxazolidine-2-benzimine as well as preparation method and application thereof |
| 12/14/2010 | CA2591566C Process for the preparation of an aminoalcohol |