| Patents for C07B 53 - Asymmetric syntheses (6,231) |
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| 08/08/2012 | CN101921229B Synthesis method of stepholidine or derivative optical isomer thereof and intermediate thereof |
| 08/01/2012 | EP1927596B1 Diphosphine ligand and transition metal complex using the same |
| 08/01/2012 | CN102617565A Asymmetrical alkylation reaction catalyzed by chiral quaternary ammonium salt |
| 08/01/2012 | CN101528673B Method for producing asymmetric copper complex crystal |
| 07/31/2012 | CA2584128C Process for producing penam compound |
| 07/25/2012 | CN102603449A Synthesis method of levo-p-hydroxy phenylglycine compound |
| 07/25/2012 | CN102600897A Design of novel chiral catalyst system and application of novel chiral catalyst system in synthesis of anticancer drug spisulosine (ES-285) |
| 07/25/2012 | CN101830930B Mesoporous material functionalized by chrial binaphthyl diphenyl phosphate and preparation and application thereof |
| 07/25/2012 | CN101353316B Method for isomerization of oxime ether |
| 07/18/2012 | EP2476756A1 Amine-containing lipids and uses thereof |
| 07/18/2012 | EP1864989B1 Method for producing l-2-amino-4-(hydroxymethylphosphinyl)- butanoic acid |
| 07/18/2012 | CN102585040A Beta-cyclodextrin derivative based on annular alkamine as well as preparation method and application of beta-cyclodextrin derivative |
| 07/18/2012 | CN102584876A Preparation method of high-activity chiral catalyst (spiroborate) |
| 07/18/2012 | CN102584795A Preparing method of crizotinib |
| 07/18/2012 | CN102584511A Preparation method for secondary alcohol |
| 07/18/2012 | CN102580773A Preparation method of load type chiral ketone catalyst and application thereof |
| 07/18/2012 | CN101812045B Process for the preparation of an dioxane acetic acid ester |
| 07/18/2012 | CN101374791B Method for producing optically active alcohol compound |
| 07/12/2012 | WO2012093565A1 METHOD FOR PRODUCING α-AMINO-γ-BUTYROLACTONE |
| 07/11/2012 | EP1720852B1 Process for the preparation of enantiomerically pure 1-substituted-3-aminoalcohols |
| 07/11/2012 | CN1495189B Preparation method of phosphite ester and transition metal complex |
| 07/11/2012 | CN1445224B Method for preparing arylaminopropanol |
| 07/11/2012 | CN102574798A Organophosphorus compounds based on tetraphenol (tp)-substituted structures |
| 07/11/2012 | CN102553646A Chiral diamine diphosphine metal compound catalysts as well as preparation method and application thereof |
| 07/10/2012 | CA2524902C Substituted ferrocenyldiphosphines as ligands for homogeneous hydrogenation catalysts |
| 07/04/2012 | CN102549003A Phosphine borane compounds comprising imidazol groups and method for producing phosphine borane compounds comprising imidazol groups |
| 07/04/2012 | CN102531815A Method for asymmetric catalyzing epoxidation reaction of alpha, beta-unsaturated carbonyl compounds |
| 07/04/2012 | CN101525293B Production method of optically active N-benzyl-1-phenylethylamine |
| 07/04/2012 | CN101508702B Tetrahydroquinoline and indoline derivative phosphor nitrogen ligand, synthesis and uses thereof |
| 07/04/2012 | CN101486693B Chiral 2,2,5,5-tetra-substituted tetrahydrofuran-3,4-diol and preparation thereof |
| 06/27/2012 | EP2220099B1 Coordination complex system comprising tautomeric ligands |
| 06/27/2012 | CN102516202A N-fluoro-1, 1'-binaphthyl-2, 2'-sulfimide and preparation method thereof |
| 06/27/2012 | CN102516152A Alpha-difluoro carbonyl substituted chiral tert-alcohol compound, its synthetic method and application thereof |
| 06/27/2012 | CN102516147A Method for preparing poly-substituted pyrrolidine derivative |
| 06/27/2012 | CN102513154A Pyrrolidine derived imide catalyst as well as preparation method and application thereof |
| 06/27/2012 | CN101979378B Method for synthesizing chiral gamma-lactam compounds |
| 06/27/2012 | CN101914174B Linear polystyrene-supported (4S)-oxazolidine-2-benzimine as well as preparation method and application thereof |
| 06/27/2012 | CN101773856B Oxazoline Schiff base ligand metal complex catalyst and application thereof |
| 06/27/2012 | CN101555259B 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 |
| 06/21/2012 | WO2012081585A1 Production method for optically active alcohol compound |
| 06/21/2012 | WO2012081582A1 Diastereo-selective alcohol compound production method and ruthenium compound |
| 06/20/2012 | EP2465845A1 Method for producing optically active 1-amino-2-vinylcyclopropanecarboxylic acid ester |
| 06/20/2012 | CN102503881A Optically active tryptamine derivative and synthetic method and application thereof |
| 06/20/2012 | CN101940951B Load-type chiral catalyst and application thereof in catalysis preparation of Fluoxetine intermediate |
| 06/13/2012 | EP1944291B1 Optically active cyclic alcohol compound and method for producing same |
| 06/13/2012 | EP1900720B1 Process for production of substituted cyclopentanone |
| 06/13/2012 | EP1707559B1 Method of enantioselective nucleophilic addition reaction of an enamide to an imine and method of synthesizing alpha-amino-gamma-keto acid ester |
| 06/13/2012 | CN102491992A Method for preparing carbapenem type antibiotic key intermediate 4-BMA |
| 06/12/2012 | US8198468 Process for the preparation of enantiomerically pure 1-substituted-3-aminoalcohols |
| 06/07/2012 | WO2012074128A1 Catalyst for asymmetric hydrogenation and method for manufacturing optically active carbonyl compound using the same |
| 06/07/2012 | WO2012074075A1 Method for manufacturing optically active menthol |
| 06/07/2012 | WO2012073991A1 Pyrrole derivative and process for production thereof |
| 06/06/2012 | EP2459579A2 Phosphine borane compounds comprising imidazol groups and method for producing phosphine borane compounds comprising imidazol groups |
| 06/06/2012 | CN101787024B Quinoline |
| 06/06/2012 | CN101613279B Method for preparing chiral compound of (R)-2-hydroxy-4-phenylbutyrate |
| 06/06/2012 | CN101391953B Preparation of arthropodicidal oxadiazines |
| 06/06/2012 | CN101124234B Catalyst for asymmetric synthesis, ligand used therefor and method for producing optically active compound by asymmetric synthetic reaction using the same |
| 06/05/2012 | US8193380 Process for the preparation of enantiomerically pure 1-substituted-3-aminoalcohols |
| 05/30/2012 | EP2457655A2 Catalyst for asymmetric hydrogenation comprising peptides and method for manufacturing optically active carbonyl compound using the same |
| 05/30/2012 | CN1659154B Method of preparing amine stereoisomers |
| 05/24/2012 | WO2012065571A1 Chiral spiro-pyridylamidophosphine ligand compound, synthesis method therefor and application thereof |
| 05/23/2012 | EP1607136B1 Optically active copper catalyst composition |
| 05/23/2012 | CN102471239A Method for producing optically active 1-amino-2-vinylcyclopropanecarboxylic acid ester |
| 05/23/2012 | CN102470356A 包括被固定的分子催化剂的杂化无机/有机高分子催化膜材料及其制备 Includes molecules immobilized catalyst hybrid inorganic / organic polymer membrane material and a preparation catalytic |
| 05/23/2012 | CN102464672A 甘露醇衍生的手性双齿亚磷酸酯配体及其制备方法与用途 Mannitol-derived chiral bidentate phosphite ligand and its preparation method and uses |
| 05/23/2012 | CN101580518B Method for producing diphosphine compound and intermediate for producing the same |
| 05/23/2012 | CN101412672B Chemical synthesis method for R-2-hydroxy-4-phenylbutanoate |
| 05/23/2012 | CN101012141B Method of manufacturing chiral sulfoxide compounds |
| 05/18/2012 | WO2012063843A1 Halogenated indenones and method for producing optically active indanones or optically active indanols by using same |
| 05/16/2012 | CN102459194A Compound having hetero ring skeleton, and process for producing optically active compound using the aforementioned compound as asymmetric catalyst |
| 05/16/2012 | CN102458659A 不对称氢化催化剂 Asymmetric hydrogenation catalyst |
| 05/16/2012 | CN102453051A Synthesizing method of axis-unfixed biphenyl phosphine-oxazoline chiral ligand |
| 05/15/2012 | US8178324 Deracemisation of amines |
| 05/09/2012 | CN102442974A Camphor derivative compound, its production method and its application |
| 05/09/2012 | CN101671313B Beta-naphthyl methyl substituted spiral bisoxazoline ligand, synthetic method and application thereof |
| 05/09/2012 | CN101560191B Alpha-menaphthyl substituted spiro bis(oxazoline) ligands, synthetic method and application thereof in synthesizing pyrazolidine derivatives |
| 05/09/2012 | CN101417954B Method for preparing optically pure 3-amino butyl alcohol |
| 05/09/2012 | CN101337955B Method for preparing high optical purity 3-substituted chiral phthalide compounds |
| 05/03/2012 | WO2012057093A1 Method for producing 3,4-disubstituted pyrrolidine derivative |
| 05/03/2012 | CA2815952A1 Method for producing 3,4-disubstituted pyrrolidine derivative |
| 05/02/2012 | CN102432636A Triphenylphosphine oxide connecting bisoxazoline ligand, preparation method and application thereof |
| 05/02/2012 | CN102432608A Method for synthesizing optically active tetrahydro-beta-carboline derivative through catalysis of chiral spirocyclic phosphoric acid |
| 05/02/2012 | CN102432526A Chiral 2',5-dicarbonyl-3-aryl spiro[cyclohexane-1,3'-indole]-2,2-dinitrile derivative and preparation method thereof |
| 05/02/2012 | CN102432485A Alpha,beta-diamino acid derivative and synthetic method and application thereof |
| 05/02/2012 | CN102432468A Asymmetric synthetic method of tanshinol borneol ester |
| 05/02/2012 | CN102432412A Preparation method of chiral sulphoxide proton pump inhibitor or pharmaceutically-acceptable salt thereof |
| 04/26/2012 | WO2012053565A1 PROCESS FOR PRODUCING OPTICALLY ACTIVE β-AMINO ALDEHYDE COMPOUND |
| 04/26/2012 | WO2012053564A1 Process for producing optically active 4-chloro-3-hydroxybutanal compound |
| 04/26/2012 | DE102008033164B4 Verfahren zum Herstellen einer optisch aktiven Allylverbindung A method for producing an optically active allyl compound |
| 04/25/2012 | EP2443085A1 Process for the asymmetric hydrogenation of imides |
| 04/25/2012 | CN102424682A 手性芳香螺缩酮类化合物及其制备方法 Spiro ketals chiral aromatic compounds and methods |
| 04/19/2012 | WO2012051473A1 Process for preparaing gamma-hydroxybutyrate |
| 04/19/2012 | WO2012048887A1 Process for the synthesis of chiral propargylic alcohols |
| 04/18/2012 | EP1409467B1 A n-acylsphingosine glucosyltransferase inhibitor |
| 04/18/2012 | CN101948552B 线型聚苯乙烯支载手性噁唑烷-2-硒酮及其制备方法 Linear polystyrene-supported chiral oxazolidin-2-one and its preparation method selenium |
| 04/17/2012 | CA2658349C A method for manufacturing a .beta.-diaryl electron withdrawing group substituted compound |
| 04/17/2012 | CA2507944C Process for producing (4e)-5-chloro-2-isopropyl-4-pentenoate and optically active form thereof |
| 04/11/2012 | EP2438989A1 Asymmetric hydrogenation catalyst |
| 04/11/2012 | CN102414291A Process for producing 1-menthyl (3s)-3-hydroxybutanoate and composition for stimulating sense |
| 04/11/2012 | CN102414290A (3r)-3-羟基丁酸l-薄荷酯、其制备方法、以及包含它的感觉刺激组合物 (3r) -3- hydroxybutyrate l- menthyl, its preparation, and its sensory stimulation comprising compositions |