| Patents for C07B 53 - Asymmetric syntheses (6,231) |
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| 02/13/2013 | CN102924206A Water-phase green preparation method of 1,3-disubstituted-3-aryl allyl compound and application of 1,3-disubstituted-3-aryl allyl compound |
| 02/06/2013 | CN102909070A Load type chiral catalyst and preparation method thereof |
| 02/06/2013 | CN101421285B Ferrocenediphosphines |
| 02/05/2013 | CA2586527C Process for transition metal-catalyzed asymmetric hydrogenation of acrylic acid derivatives, and a novel catalyst system for asymmetric transition metal catalysis |
| 01/31/2013 | WO2012150825A9 Method for preparing optically pure (s)-cyclohexylamino acid derivative |
| 01/30/2013 | CN102906273A Method for producing acyloxypyranone compound, method for producing alkyne compound, and method for producing dihydrofuran compound |
| 01/30/2013 | CN101844980B Method for preparing chiral alpha-hydroxy-beta-keto ester compound by utilizing chiral beta-alkoxy beta'-alkamine as catalyst |
| 01/30/2013 | CN101495491B Process for production of optically active aminophosphinylbutanoic acid |
| 01/24/2013 | WO2013011930A1 Method for producing optically active tetrahydroquinoline |
| 01/23/2013 | CN102887808A Preparation method of multi-substituted indanol derivatives |
| 01/23/2013 | CN101967166B Synthesis method of chiral cis-bromo.ammine.bis(ethylenediamine) cobalt bromide |
| 01/23/2013 | CN101565393B 3-(substituted bisulfonyl fluromethane)-1-propylene compound, synthetic method and applications thereof |
| 01/22/2013 | US8357820 Process for producing N-protected amino acid |
| 01/22/2013 | CA2382779C Chiral ligands, transition-metal complexes thereof and uses thereof in asymmetric reactions |
| 01/16/2013 | EP2546257A1 Bisphosphate compound and asymmetric reaction using same |
| 01/16/2013 | CN102875601A Preparation method and application for phosphine-oxazoline ligand, and ionic metal complex, enantiomer or racemate thereof |
| 01/16/2013 | CN102875278A Method for synthesizing optically-active 2-(2', 3'-allene group) malonate |
| 01/16/2013 | CN101270113B Preparation of multi-chiral catalyst, and application of the catalyst in preparation of cyclic carbonates with high optical activity |
| 01/09/2013 | EP2543437A2 Homogeneous asymmetric hydrogenation catalyst |
| 01/02/2013 | CN102858787A Bisphosphate compound and asymmetric reaction using same |
| 01/02/2013 | CN102101868B 1,1'-bicarboline N,N'-dioxocompound and synthesis and application thereof |
| 01/02/2013 | CN101972672B S-acylation L-cysteine and application of salt thereof as catalyst for asymmetrical organic synthesis reaction |
| 01/02/2013 | CN101384532B Process for preparing optically active alcohols |
| 12/27/2012 | WO2012176830A1 1,2-bis(dialkylphosphino)-4,5-(methylenedioxy)benzene derivative, method for manufacturing same, metal complex having this 1,2-bis(dialkylphosphino)-4,5-(methylenedioxy)benzene derivative as a ligand, and asymmetric hydrogenation method |
| 12/27/2012 | WO2012176715A1 1-amino-2-vinyl cyclopropane carboxylic acid amide, salt of same, and method for producing same |
| 12/27/2012 | WO2012175837A1 Processes for preparing phosphorus-containing α- and β-amino acids and derivatives thereof |
| 12/26/2012 | EP2537825A1 Method for producing 1-amino-1-alkoxycarbonyl-2-vinylcyclopropane |
| 12/19/2012 | EP2534161A1 Enantiomerically enriched aminodiphosphines as ligands for the preparation of catalysts for asymmetric synthesis |
| 12/19/2012 | CN102834370A Method for producing 1-amino-1-alkoxycarbonyl-2-vinylcyclopropane |
| 12/19/2012 | CN102826947A Method for catalytic synthesis of chiral propargylamine compound by chiral copper catalyst |
| 12/18/2012 | CA2694320C Method of producing optically active n-(halopropyl)amino acid derivative |
| 12/18/2012 | CA2556891C Process for the preparation of enantiomerically pure 1-substituted-3-aminoalcohols |
| 12/12/2012 | CN102822161A Method for producing optically active n-monoalkyl-3-hydroxy-3-arylpropylamine compound |
| 12/12/2012 | CN102816181A High electron-deficient axially chiral diphosphine ligand and synthetic method thereof |
| 12/12/2012 | CN102816109A Method for synthesizing Hantzsch ester |
| 12/12/2012 | CN101525291B Green asymmetric synthesis method of chiral bicyclics compound |
| 12/12/2012 | CN101080399B Process for producing optically active epoxy compound, complex for use in the process, and process for producing the same |
| 12/05/2012 | CN102807463A Method for synthesizing chiral sulfocompound by transition metal catalysis |
| 12/05/2012 | CN102093343B N-aryl axially chiral carbene-oxazoline compound and application thereof |
| 12/05/2012 | CN101519401B Intermediate (S)-2-(2-thiophene ethylamine)(2-chlorphenyl)methyl acetate of clopidogrel and method for preparing salts thereof |
| 12/04/2012 | CA2501373C Mixtures of chiral monophosphorus compounds used as ligand systems for asymmetric transition metal catalysis |
| 11/28/2012 | CN101233099B Process for production of mono-substituted alkylated compound using aldimine or derivative thereof |
| 11/27/2012 | CA2569849C Monophosphine compounds, transition metal complexes thereof and production of optically active compounds using the complexes as asymmetric catalysts |
| 11/22/2012 | WO2012158515A1 Process for the preparation of protease inhibitors |
| 11/22/2012 | WO2012158513A1 Processes and intermediates |
| 11/22/2012 | US20120296088 Synthesis of udp-glucose: n-acylsphingosine glucosyl transferase inhibitors |
| 11/15/2012 | WO2012153684A1 Ruthenium-diamine complex and method for producing optically active compound |
| 11/15/2012 | CA2832994A1 Ruthenium-diamine complex and method for producing optically active compound |
| 11/14/2012 | CN102781948A Enantiomerically enriched aminodiphosphines as ligands for the preparation of catalysts for asymmetric synthesis |
| 11/14/2012 | CN102775418A Synthesis and application of novel chiral quaternary ammonium salt phase-transfer catalyst |
| 11/14/2012 | CN101671357B (S)-Alpha, Alpha-fluorine-containing diaryl-2-pyrrolidine methanol derivative as well as preparation and applications thereof |
| 11/08/2012 | WO2012150825A2 Method for preparing optically pure (s)-cyclohexylamino acid derivative |
| 11/07/2012 | CN102766071A Chiral reduction method of statin intermediates |
| 11/07/2012 | CN102040594B C2 axisymmetric chiral bisoxazoline ligand compound containing imidazole salt ion pair group, and preparation and application thereof |
| 11/01/2012 | WO2012147925A1 Method for producing five-membered ring-containing compound |
| 11/01/2012 | WO2012147897A1 Method for producing amine compound |
| 11/01/2012 | US20120277455 Novel chiral phosphorus ligands |
| 10/31/2012 | EP2518050A1 Process for production of optically active 3-substituted glutaric acid monoamide |
| 10/31/2012 | CN102757364A Preparation and synthetic method of chiral nitrogenous compound |
| 10/31/2012 | CN101973951B Chiral D-oxazoline and application thereof |
| 10/31/2012 | CN101863805B (S)-N-(2(3-(trifluoromethyl) phenyl) methyl)-tertiary butyl-2-sulfinamide and synthesis method thereof |
| 10/24/2012 | EP2513016A1 Improved method for producing intermediates for the production of macrocycles that are inhibitors of the proteasomic degradation of p27, such as argyrin and derivatives thereof |
| 10/24/2012 | CN102746335A Preparation method of chiral phosphine oxide |
| 10/17/2012 | EP2509933A1 Kinetic resolution |
| 10/17/2012 | CN102731572A Perfluoroalkyl group-containing phosphine ligand, preparation method thereof, application thereof, and metal complex |
| 10/17/2012 | CN101972673B Catalyst capable of enhancing catalytic activity of heterogeneous asymmetric catalytic reaction and preparation method thereof |
| 10/11/2012 | WO2012137460A1 Novel ruthenium complex and process for producing optically active alcohol compound using same as catalyst |
| 10/11/2012 | CA2830481A1 Novel ruthenium complex and method for preparing optically active alcohol compounds using the same as a catalyst |
| 10/10/2012 | CN102718768A Chiral five-membered bicyclic guanidine compound, preparation method and application thereof |
| 10/10/2012 | CN102285984B Preparation method of (2R, 3R, 11bR)-dihydrotetrabenazine and relevant compounds |
| 10/10/2012 | CN101628927B Method for three-dimensionally selectively preparing Beta-gemcitabine hydrochloride by using 1, 3, 5-3-O-benzoyl-Alpha-D-ribofuranose as raw materials |
| 10/03/2012 | CN102702015A Preparation method of (2S, 3S)-3-amino-N-cyclopropyl-2-hydroxyhexanamide hydrochloride |
| 10/03/2012 | CN102008978B Chiral catalyst and preparation method and application thereof |
| 09/26/2012 | EP2502897A1 Method for producing optically active bicyclo [3.1.0]hexane derivative using oxygen |
| 09/26/2012 | CN102690291A Imidazole ionic liquid supported chiral phosphine ligands and preparation method thereof |
| 09/26/2012 | CN102688779A Preparation of phosphine ligand ruthenium catalyst and application thereof in asymmetric reduction |
| 09/19/2012 | CN102686558A Process for production of optically active 3-substituted glutaric acid monoamide |
| 09/19/2012 | CN102675017A Method for preparing chiral diaryl- substitute methylamine |
| 09/19/2012 | CN102675016A Alpha-keto ester compound with gamma chiral center and synthetic method thereof |
| 09/18/2012 | CA2443702C Echinocandin process |
| 09/13/2012 | WO2012121079A1 Compound and method for producing same, as well as method for producing oseltamivir phosphate |
| 09/12/2012 | EP2496589A1 Novel chiral phosphorus ligands |
| 09/12/2012 | CN102665908A Heterogeneous rhodium metal catalysts |
| 09/12/2012 | CN102659561A Method for preparing S-benzylsuccinic acid |
| 09/12/2012 | CN102659494A Method for asymmetric synthesis of 3,3-disubstituted-2-oxindole compound |
| 09/04/2012 | US8258345 Hydroxylation of β-dicarbonyls with zirconium catalysts |
| 09/04/2012 | US8258340 Method for producing β-mercapto carboxylic acids |
| 08/29/2012 | EP2492275A1 Novel ruthenium carbonyl complex having a tridentate ligand and manufacturing method and usage therefor |
| 08/29/2012 | CN101845056B C1 symmetrical chiral diene ligand, synthesis method and application thereof to asymmetric reactions |
| 08/22/2012 | CN102643246A Method for synthesizing chiral 2-carbonyl oxazoline |
| 08/16/2012 | WO2012108367A1 Quaternary ammonium salt |
| 08/15/2012 | CN1852887B Process for producing optically active cyclopropane compound and asymmetric copper complex for use in the same |
| 08/15/2012 | CN102633677A Nonsymmetrical alkylation method for glycine tert-butyl ester derivatives |
| 08/14/2012 | CA2449836C Stereoselective preparation of cyclic l-amino acids |
| 08/09/2012 | WO2012104866A1 Chiral 1-(4-methylphenylmethyl)-5-oxo-{n-[(3-t-butoxycarbonyl- aminomethyl)]-piperidin-1-yl}-pyrrolidine-2-carboxamides as inhibitors of collagen induced platelet activation and adhesion |
| 08/08/2012 | EP2484667A1 Optically active quaternary ammonium salt having axial asymmetry and process for producing alpha-amino acid and derivative thereof with the same |
| 08/08/2012 | EP2482978A1 Heterogeneous rhodium metal catalysts |
| 08/08/2012 | CN102627704A Beta-cyclodextrin derivative and preparation method and application thereof |
| 08/08/2012 | CN102627572A Process for the preparation of enantiomerically pure 1-substituted-3-aminoalcohols |
| 08/08/2012 | CN102626655A Aldol reaction catalyst and preparation method and application thereof |