| Patents for C07B 53 - Asymmetric syntheses (6,231) |
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| 10/05/2011 | CN101525344B Method for preparing isopinocampheyl borone chloride |
| 10/05/2011 | CN101501099B Polymer having bis(diphenylphosphino)binaphthyl group |
| 10/05/2011 | CN101432288B Process for production of camptothecin derivative |
| 09/29/2011 | WO2011118625A1 Method for producing optically active n-monoalkyl-3-hydroxy-3-arylpropylamine compound |
| 09/28/2011 | CN102203097A Novel tricyclic chiral compounds and their use in asymmetric catalysis |
| 09/28/2011 | CN102203051A Process for producing a-substituted ester |
| 09/28/2011 | CN101239992B Transition metal complex having diphosphine compound as ligand |
| 09/27/2011 | US8026383 Process for the preparation of intermediates useful in the synthesis of statin derivatives |
| 09/21/2011 | CN102197021A Method for producing fluorosulfuric acid ester |
| 09/21/2011 | CN102190536A Method for organically catalyzing asymmetric conjugated addition of ketene and organic phosphorus compound |
| 09/21/2011 | CN101423504B Method for synthesizing chiral sultam containing hetero atom unsymmetrical hydrogenation using Pd as catalyst |
| 09/15/2011 | WO2011111677A1 Bisphosphate compound and asymmetric reaction using same |
| 09/14/2011 | EP2364987A1 Axially asymmetric phosphorus compound and production method thereof |
| 09/14/2011 | CN1942440B Asymmetric hydrogenation process useful for the preparation of cycloalkanoindole derivatives |
| 09/14/2011 | CN102180915A D-fructopyranose derived saccharide beta-alkamine and synthesis method thereof |
| 09/14/2011 | CN102180911A Nitrogen-oxygen ligand with planar chirality and central chirality and metal complex thereof |
| 09/14/2011 | CN101215236B Beta-disubstituted chiral aldehydes, synthesis method and use thereof |
| 09/13/2011 | US8017793 producing a ketooleanolic acid that can be an intermediate for synthesis of pharmaceuticals; minimize the environmental pollution |
| 09/13/2011 | CA2451979C Novel modifications of the trometamol salt of r-thioctic acid and method for producing the same |
| 09/13/2011 | CA2430070C A process for the preparation of taxan derivatives |
| 09/09/2011 | WO2011108672A2 Homogeneous asymmetric hydrogenation catalyst |
| 09/08/2011 | US20110218343 Small molecule inhibitors of rotamase enzyme activity |
| 09/07/2011 | EP2363388A1 Process for the production of chiral amines |
| 09/07/2011 | CN1608074B P-chiral phospholanes and phosphocyclic compounds and their use in asymmetric catalytic reactions |
| 09/07/2011 | CN102177170A Novel ruthenium carbonyl complex having a tridentate ligand and manufacturing method and usage therefor |
| 09/07/2011 | CN101712697B Ferrocene phosphinimine ligand containing imidazole salt group, preparation thereof and application in catalyzing asymmetric allyl substitution reaction |
| 08/31/2011 | EP2361919A1 Imidazo[1,5-b] pyridazin-amino-phosphorous ligands and their complex compounds |
| 08/31/2011 | CN101239991B Transition metal complex having diphosphine compound as ligand |
| 08/25/2011 | WO2011102388A1 Method for producing 1-amino-1-alkoxycarbonyl-2-vinylcyclopropane |
| 08/25/2011 | US20110207946 Process for the preparation of enantiomerically pure 1-substituted-3-aminoalcohols |
| 08/25/2011 | US20110207945 Process for the preparation of enantiomerically pure 1-substituted-3-aminoalcohols |
| 08/24/2011 | EP2358728A1 Chiral ligands |
| 08/24/2011 | CN102164893A Process for producing 1-substituted trans-4-(substituted amino)piperidin-3-ol |
| 08/24/2011 | CN102161608A Method for improving stereoselectivity of intramolecular photocyclization reaction |
| 08/18/2011 | WO2011098160A1 Enantiomerically enriched aminodiphosphines as ligands for the preparation of catalysts for asymmetric synthesis |
| 08/17/2011 | EP2357168A1 Method for producing fluorosulfuric acid ester |
| 08/17/2011 | EP2357164A1 Process for producing -substituted ester |
| 08/17/2011 | CN102153557A Chiral center nitrogen heterocyclic carbine precursor salt with quadrol skeleton, synthetic method and application |
| 08/17/2011 | CN102153483A Axial chirality vicinal diamine compound and preparation method thereof |
| 08/17/2011 | CN101531630B Asymmetric chiral double-Schiff base simple synthesizing method |
| 08/17/2011 | CN101328190B Chiral N, P ligand, preparation and application thereof |
| 08/16/2011 | CA2462045C Novel diphosphines, their complexes with transition metals and their usein asymmetric synthesis |
| 08/11/2011 | US20110196175 Hydroxylation of Beta-Dicarbonyls with Zirconium Catalysts |
| 08/10/2011 | EP2353714A1 Asymmetric hydrogenation catalyst |
| 08/10/2011 | CN101565397B N-Boc-3-aminopiperidine and synthesizing method of optical isomer thereof |
| 08/09/2011 | US7994344 Intermediates for the production of optically active cyclopropylamine derivatives and process for the production of the intermediates |
| 08/04/2011 | WO2011023756A4 Organophosphorus compounds based on tetraphenol (tp)-substituted structures |
| 08/03/2011 | EP2351738A1 Process for producing 1-substituted trans-4-(substituted amino)piperidin-3-ol |
| 08/03/2011 | EP1741693B1 Process for production of optically active alcohols |
| 07/27/2011 | CN102134310A Optical-rotation polyester imide based on symmetrical imide diacid and preparation method and application thereof |
| 07/27/2011 | CN101208288B Process for production of substituted cyclopentanone |
| 07/27/2011 | CN101148456B Organic phosphoric acid catalyst and its preparation method and application |
| 07/20/2011 | CN102127084A Alkoxy bicyclic guanidine as well as preparation method and application thereof |
| 07/20/2011 | CN102127083A Alkane group bicyclo-guanidine, preparation method and application of alkane group bicyclo-guanidine |
| 07/20/2011 | CN102126981A Chiral monomer containing L-amino acid group |
| 07/19/2011 | US7981827 Chiral phosphanes for use in asymmetric syntheses |
| 07/13/2011 | EP1873160B1 Process for production of optically active -hydroxyphosphonic acids and derivatives thereof, optically active aluminum(salalen) complexes and process for production of the complexes, and process for production of salalen ligands |
| 07/13/2011 | CN102120749A Sugar-containing chiral phosphine thiourea compound and preparation method and application thereof |
| 07/06/2011 | EP2341042A1 Method for producing optically active cyclopropane carboxylic acid ester compound, asymmetric copper complex, and optically active salicylideneaminoalcohol compound |
| 07/06/2011 | CN102119165A Chiral iridium aqua complex and method for producing optically active hydroxy compound using the same |
| 07/06/2011 | CN102115446A Method for catalytically synthesizing chiral curcumin analogs |
| 07/05/2011 | US7973182 enantiomerically pure 1-substituted-3-amino-alcohols, particularly of (S)-(-)- and (R)-(+)-3-N-methylamino-1-(2-thienyl)-1-propanol, by asymmetrically hydrogenating salts of a carboxylic acids with an aminoketone of the formula: |
| 07/05/2011 | CA2447980C Method for preparation of (s)-(+)- and (r)-(-)-10,11-dihydro-10-hydroxy-5h-dibenz/b,f/azepine-5-carboxamide |
| 07/05/2011 | CA2380116C Process for the preparation of naproxene nitroxyalkylesters |
| 06/30/2011 | WO2011078172A1 Process for production of optically active 3-substituted glutaric acid monoamide |
| 06/29/2011 | CN101306388B Palladium catalyst of axis chiral dinaphthalene frame phosphine-containing ligand, synthetic method and use thereof |
| 06/29/2011 | CN101213173B Process for production of optically active aminopentane derivative, intermediate and process for producing the intermediate |
| 06/23/2011 | WO2011073487A1 Procedure for the enantioselective addition of organozinc compounds to compounds derived from acetophenones |
| 06/23/2011 | WO2011073362A1 Process for the preparation of optically active compounds using pressure hydrogenation |
| 06/23/2011 | WO2011073173A1 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 |
| 06/23/2011 | WO2011023756A3 Organophosphorus compounds based on tetraphenol (tp)-substituted structures |
| 06/23/2011 | CA2783938A1 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 |
| 06/22/2011 | CN102101868A 1,1'-bicarboline N,N'-dioxocompound and synthesis and application thereof |
| 06/16/2011 | WO2011071058A1 Preparation method for optically active 2-hydroxycycloalkane carboxylic acid ester |
| 06/16/2011 | WO2011070028A1 Kinetic resolution |
| 06/15/2011 | EP2332895A1 Kinetic Resolution |
| 06/15/2011 | CN102093406A Chiral cyclopropane alkamine ligand compound, and preparation and application thereof |
| 06/15/2011 | CN102093343A N-aryl axially chiral carbene-oxazoline compound and application thereof |
| 06/15/2011 | CN102093218A Application of ordered mesoporous carbon material-loaded platinum catalyst in alpha-keto ester asymmetrical catalytic hydrogenation reaction |
| 06/15/2011 | CN101353309B Chiral compound based on 1,1'-binaphthol-alkamine structure, synthetic method and use thereof |
| 06/15/2011 | CN101225089B Process for the preparation of diisopinocampheylchloroborane |
| 06/14/2011 | US7960570 Small molecule inhibitors of rotamase enzyme activity |
| 06/08/2011 | EP2190809B1 Method for the production of optically active alpha alkyl carbonyl compounds |
| 06/08/2011 | EP1813621B1 Ruthenium complex and process for producing tert-alkyl alcohol therewith |
| 06/07/2011 | US7956182 Process for preparing optically active alcohols |
| 06/01/2011 | CN101486737B Ferrocene phosphinimine ligand containing quaternary ammonium salt group, preparation thereof and use for catalyzing asymmetric allyl group substitution reaction |
| 05/26/2011 | WO2011062280A1 Method for producing optically active alcohol |
| 05/26/2011 | WO2011062139A1 Method for manufacturing optically active 3-tert-butoxycarbonylamino-2-fluoro-1-propanol |
| 05/26/2011 | WO2011061934A1 Method for producing optically active bicyclo [3.1.0] hexane derivative using oxygen |
| 05/25/2011 | CN102076653A Method for producing optically active amine compound |
| 05/25/2011 | CN102076634A Synthesis of chiral amines |
| 05/25/2011 | CN101585812B Preparation method of (S) type thioic imidazolone compound |
| 05/25/2011 | CN101440079B Process for the preparation of racemic citalopram and/or s- or r-citalopram |
| 05/24/2011 | CA2471485C Process for preparing 2-(substituted phenyl) - 2 - hydroxy-ethyl carbamates |
| 05/24/2011 | CA2464807C Phenyl-propargylether derivatives |
| 05/18/2011 | CN102060877A Transition metal complex containing bidentate nitrogenous ligand, synthetic method and application thereof |
| 05/12/2011 | WO2011056737A1 Novel chiral phosphorus ligands |
| 05/11/2011 | EP2319850A1 Optically active -amino acid into which bsh is introduced and method for synthesizing the same |
| 05/11/2011 | EP2319825A1 Enzymatic synthesis of enantiomerically enriched derivatives of cis- and trans-cyclopentane-1,2-diamines |
| 05/11/2011 | EP1661903B1 Novel transition metal complex and process for producing optically active alcohol with the complex |