| Patents for C07B 53 - Asymmetric syntheses (6,231) |
|---|
| 09/11/2013 | CN103288876A Chiral phosphamide compound and preparation method thereof |
| 09/11/2013 | CN103288831A Method for synthesizing chiral dihydro-6H-benzpyrole-[2,1-c][1,4]-benzodiazepine-6-ketone |
| 09/11/2013 | CN103288830A Method for synthesizing chiral dihydro-5H-pyrrolo[2,1-c][1,4]-benzodiazepine |
| 09/11/2013 | CN103288829A Method for synthesizing chiral dihydro-5H-pyrrolo[2,1-c][1,4]-benzodiazepino-5-one |
| 09/10/2013 | CA2581534C Stereoselective method for preparing a chiral fluorinated molecule |
| 09/04/2013 | EP2634172A1 Method for producing 3,4-disubstituted pyrrolidine derivative |
| 09/04/2013 | CN103282355A Method for producing alpha -mino-gamma-butyrolactone |
| 09/04/2013 | CN101486664B Polysubstituted five membered ring small molecular compound used as influenza virus neuraminidase inhibitor |
| 08/28/2013 | EP2631228A1 Process for producing optically active b-amino aldehyde compound |
| 08/28/2013 | EP2631227A1 Process for producing optically active 4-chloro-3-hydroxybutanal compound |
| 08/28/2013 | CN103270017A Process for the synthesis of chiral propargylic alcohols |
| 08/28/2013 | CN102321006B Di-proline amide compound containing chiral indane framework and application thereof |
| 08/28/2013 | CN102180911B Nitrogen-oxygen ligand with planar chirality and central chirality and metal complex thereof |
| 08/28/2013 | CN101835745B Process for production of disulfonic acid compound, asymmetric mannich catalyst, process for production of beta-aminocarbonyl derivative, and novel disulfonate salt |
| 08/28/2013 | CN101712645B Preparation method for (2R, 4R)-4-substituted-2-piperidine carboxylic acid compound and intermediate thereof |
| 08/22/2013 | WO2013072830A4 A single step enantioselective process for the preparation of 3-substituted chiral phthalides |
| 08/21/2013 | EP2627627A1 Process for the synthesis of chiral propargylic alcohols |
| 08/21/2013 | CN103254251A Pi-allyl iridium complex containing dinaphthyl [1,2-b;5,6-b'] cyclooctatetraene and chiral phosphine nitrogen framework as well as synthesizing method and application of complex |
| 08/21/2013 | CN101781326B Intermediate for preparing chiral aminoboronic acid and preparation method thereof |
| 08/14/2013 | CN103249484A Catalyst for asymmetric hydrogenation and method for manufacturing optically active carbonyl compound using the same |
| 08/14/2013 | CN103242375A High-activity bifunctional catalyst for preparing chiral epoxy alkane and diol and application thereof |
| 08/14/2013 | CN103242373A Ferroferric oxide (Fe3O4) nano particle supported chiral ligand and preparation method and application thereof |
| 08/07/2013 | CN102503881B Optically active tryptamine derivative and synthetic method and application thereof |
| 08/07/2013 | CN101412679B Method for synthesizing high antipode pure vicinal amino alcohols |
| 07/31/2013 | CN103228628A Method for producing 3,4-disubstituted pyrrolidine derivative |
| 07/31/2013 | CN102626655B Aldol reaction catalyst and preparation method and application thereof |
| 07/31/2013 | CN101990528B Catechol manufacturing method |
| 07/24/2013 | CN103214330A Synthetic method of different enantiomers of alpha-ketone having gamma site chiral center |
| 07/24/2013 | CN102093406B Chiral cyclopropane alkamine ligand compound, and preparation and application thereof |
| 07/17/2013 | CN103209949A Halogenated indenones and method for producing optically active indanones or optically active indanols by using same |
| 07/17/2013 | CN103204867A chiral alpha-amino boric acid esters, a preparation method and an application in the synthesis of bortezomib thereof |
| 07/17/2013 | CN103204820A 3-triazolyl-substituted-1-propylene compound and synthetic method thereof |
| 07/10/2013 | CN103193679A Preparation method of rivastigmine intermediate (R)-N-ethyl-N-methyl carbamic acid-3-(1-hydroxyethyl) phenyl ester |
| 07/10/2013 | CN101516898B Method for producing phosphorus-containing a-amino acid and production intermediate thereof |
| 07/03/2013 | EP2610241A1 Process for production of hydroxyadamantaneamine |
| 07/03/2013 | CN103189352A Process for producing optically active [beta]-amino aldehyde compound |
| 07/03/2013 | CN103189343A Process for producing optically active 4-chloro-3-hydroxybutanal compound |
| 07/03/2013 | CN101120010B Metallocene-based phosphorus chiral phosphines |
| 06/20/2013 | WO2013088972A1 Compound and asymmetric synthesis reaction |
| 06/19/2013 | CN101857559B Chiral alpha-(trichloromethyl) amine compound and preparation method thereof |
| 06/19/2013 | CN101415668B Methods for producing carboxylic acid chloride compounds |
| 06/19/2013 | CN101405259B Process for production of ethylenediamine derivative having halogenated carbamate group and acyl group, and intermediated for production of the derivative |
| 06/12/2013 | CN101709023B 2,2',6,6'-tetrahydroxy-3,3',5,5'-tetra-substituted biphenyl ligand and synthesis method thereof |
| 06/05/2013 | CN102039121B Platinum/carbon nanotube catalyst and preparation method and application thereof |
| 06/05/2013 | CN101328191B Nitrogen-containing ligand transient metal complex compound , synthetic method and use thereof |
| 06/05/2013 | CN101323630B Transient metal complex compound, synthetic method and use thereof |
| 05/29/2013 | EP2597079A1 Method for producing optically active 1-bromo-1-[3,5-bis(trifluoromethyl)phenyl]ethane |
| 05/29/2013 | CN101405249B Process for production of indene derivative, and intermediate for production of the derivative |
| 05/23/2013 | WO2013074326A1 Methods for asymmetric epoxidation using flow reactors |
| 05/23/2013 | WO2013073596A1 Optically active bisoxazoline compound, asymmetric catalyst, and method for producing optically active cyclopropane compound using said catalyst |
| 05/23/2013 | WO2013073525A1 Industrial method for producing optically active 3-cyclopropylaminomethyl-4-fluoropyrrolidines |
| 05/23/2013 | WO2013072830A1 A single step enantioselective process for the preparation of 3-substituted chiral phthalides |
| 05/22/2013 | EP2594550A1 Method for oxidizing alcohols |
| 05/15/2013 | CN103102231A Chiral multi-substituted 4-hydroxy piperidine compound, and preparation method and application thereof |
| 05/15/2013 | CN103102230A O-aminophenyl chiral diallyl sulfide compound and its preparation method |
| 05/14/2013 | US8440859 Method for producing bioresourced propionic acid from glycerol |
| 05/10/2013 | WO2013065867A1 METHOD FOR PRODUCING OPTICALLY ACTIVE β-HYDROXY-α-AMINOCARBOXYLIC ACID ESTER |
| 05/10/2013 | WO2013065189A1 Method for preventing decrease in optical purity |
| 05/08/2013 | CN103086910A Preparation method of optically active amide |
| 05/08/2013 | CN102026979B Process for the preparation of an enantiomeric trisubstituted 3,4-dihydro-isoquinoline derivative |
| 05/02/2013 | WO2013061999A1 Method for producing optically active alcohol |
| 05/02/2013 | WO2013061515A1 Method for producing 3-menthoxy propanol and composition for imparting cooling sensation |
| 05/01/2013 | CN103073590A Chiral aromatic spiroketal skeleton double phosphine ligand, preparation method and uses thereof |
| 05/01/2013 | CN103073559A Chiral aromatic spiroketal compound, preparation method and uses thereof |
| 05/01/2013 | CN101778815B Method of producing optically active n-(halopropyl)amino acid derivative |
| 05/01/2013 | CN101323609B Method for synthesizing high antipode content benzimidazole derivative by unsymmetrical oxidizing thioether into sulphoxide |
| 04/25/2013 | WO2013058241A1 Method for producing (r)-2-amino-2-ethylhexanol |
| 04/24/2013 | CN103059064A Chiral diphosphine ligand and chiral catalyst, and preparation and application method thereof |
| 04/24/2013 | CN101648977B 2,2',6,6'site connected 1,1'-diphenyl axially chiral bi-phosphoramide and phosphorous acid ester ligand and preparation method thereof |
| 04/24/2013 | CN101460446B Method for producing optically active 1-(fluoro-,trifluoromethyl-or trifluoromethoxy-substituted phenyl)alkylamine n-monoalkyl derivative |
| 04/24/2013 | CN101412738B Novel chiral iron complex, and preparation and use thereof |
| 04/24/2013 | CN101040053B Process for production of optically active (S)- or (R)- beta-amino acids and optically active (R)- or (S)-beta -amino acid esters, and beta-amino acid 2-alkoxyethyl ester and optically active (s or r)-beta amino acid 2-alkoxyethyl ester |
| 04/18/2013 | WO2013054131A1 Asymmetric synthesis of organic compounds |
| 04/17/2013 | CN103044277A Preparation method of optical pure alpha-hydroxyl-beta-aminopropionic acid ester derivative |
| 04/17/2013 | CN102432608B Method for synthesizing optically active tetrahydro-beta-carboline derivative through catalysis of chiral spirocyclic phosphoric acid |
| 04/17/2013 | CN102127084B Alkoxy bicyclic guanidine as well as preparation method and application thereof |
| 04/17/2013 | CN102127083B Alkane group bicyclo-guanidine, preparation method and application of alkane group bicyclo-guanidine |
| 04/17/2013 | CN101565366B Application of iridium complex in asymmetry catalytic hydrogenation of unsaturated carboxylic acid |
| 04/16/2013 | US8420679 Aminothiazole derivatives and their use as CRF receptor ligands |
| 04/10/2013 | CN102274754B Method for raising multiphase asymmetric catalytic activity and asymmetric selectivity |
| 04/10/2013 | CN101775035B Synthesis of class of amino acid type amphoteric water-soluble chiral phosphine ligand and application thereof in asymmetric catalytic hydrogenation |
| 04/03/2013 | CN103012364A Method for preparing photoactive tetrahydrofuran derivative |
| 04/03/2013 | CN103012029A Method for synthesizing photoactive pyrrole or photoactive piperidine |
| 04/03/2013 | CN101597286B Organic catalyst containing primary amine, tertiary amine and urea or thiourea and preparation method thereof |
| 04/03/2013 | CN101263110B Optically active diamine derivative and process for producing the same |
| 03/27/2013 | CN102993065A Chiral t-butylsulfinyl group contained alpha-arylamino acid ester compound having high optical purity, and preparation method and use thereof |
| 03/21/2013 | WO2012150825A3 Method for preparing optically pure (s)-cyclohexylamino acid derivative |
| 03/20/2013 | CN102985431A Method for producing optically active 1,2-bis(dialkylphosphino)benzene derivative |
| 03/20/2013 | CN102985395A Method for producing optically active 1-bromo-1-[3,5-bis(trifluoromethyl)phenyl] ethane |
| 03/20/2013 | CN102153557B Chiral center nitrogen heterocyclic carbine precursor salt with quadrol skeleton, synthetic method and application |
| 03/13/2013 | CN101972670B Hydrophobic adjustable multi-phase asymmetric catalyst and preparation method thereof |
| 03/06/2013 | CN102958910A Beta-aminocarbonyl compound production method |
| 03/06/2013 | CN102952033A Novel compound, composing method thereof and therapeutic use therefor |
| 03/06/2013 | CN102951981A Asymmetric hydrogenation method for ketone compound |
| 03/06/2013 | CN102951980A Asymmetric catalytic hydrogenation method of imine |
| 03/06/2013 | CN102950024A Catalyst for asymmetric catalytic hydrogenation of imine |
| 03/06/2013 | CN101575298B Method for preparing chiral medicinal intermediate 2-amido-1-phenylethylalcohol |
| 02/27/2013 | CN102942430A Preparation method of addition product of aldehyde and nitroolefin |
| 02/13/2013 | EP2557177A1 Method for producing acyloxypyranone compound, method for producing alkyne compound, and method for producing dihydrofuran compound |
| 02/13/2013 | CN102924360A Method for asymmetrically hydrogenating 3-idene substituted indolone through using chiral iridium catalyst |