| Patents for C07B 53 - Asymmetric syntheses (6,231) |
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| 06/03/2008 | CA2350473C Method for producing optically active .alpha.-aminonitriles and .alpha.-amino acids |
| 05/29/2008 | WO2008061663A1 Imidazo[1,5-b]pyridazinamido ligands and their complexes |
| 05/29/2008 | US20080125601 Key steps in the synthesis are early introduction of the correct absolute stereochemistry at C-3 (R) and subsequent regioselective chain lengthening; Unlike the linear synthesis processes in the prior art, the use of the novel statin side chain building blocks allows a convergent synthesis |
| 05/29/2008 | DE102006055716A1 Imidazo(1,5-b)pyridazin-amido-Liganden und deren Komplexverbindungen Imidazo (1,5-b) pyridazine-amido ligands and their complexes |
| 05/28/2008 | EP1925611A1 Optically active diamine derivative and process for producing the same |
| 05/28/2008 | EP1924588A1 Chiral phosphoramidites |
| 05/28/2008 | EP1506148B1 Process for the preparation of enantiomerically enriched compounds |
| 05/27/2008 | US7378034 Acidity and dissociation; stability, for doping polymers, as electrolytes in batteries |
| 05/21/2008 | CN101182308A Imidazole chiral ionic liquids containing double function groups as well as preparation method and uses thereof |
| 05/20/2008 | US7375244 efficiently catalyzes an enantio selective asymmetric nucleophilic addition reaction of an alpha -iminophosphonic acid ester |
| 05/20/2008 | US7375136 Such as 1-(4-methanesulphonamidepheoxy)3-(N-methyl-3,4-dichlorophenylethylamino)-2-propanol; synthesis; effective against brain and/or spinal cord tissue acidification disorders |
| 05/20/2008 | CA2155802C Enantiomerically pure pyridylcycloalkylethylamines and the salts thereof and processes for preparing them |
| 05/15/2008 | WO2008055963A1 Novel method for producing organic phosphorus compounds, phosphorus compounds produced using said method, the metal complexes of said compounds, and use of same |
| 05/15/2008 | US20080112866 Functionalized ionic liquids, and methods of use thereof |
| 05/13/2008 | US7371865 Reacting an organophosphouus compound with metallized alkane; forming atorvastatin, lorastatin, pitavastatin, fluvastatin |
| 05/08/2008 | WO2008053652A1 Process for production of hydroxyadamantaneamine |
| 05/07/2008 | EP1918271A1 Process for producing optically active ester |
| 05/07/2008 | EP1509216B1 Active ingredient salts and esters of 1-dimethylamino-3-(3-methoxy-phenyl)-2-methyl-pentan-3-ol and 3-(3-dimethylamino-1-ethyl-1-hydroxy-2-methyl-propyl)-phenol |
| 05/02/2008 | WO2008050829A1 Method of producing s-(-)-6-hydroxy-2,5,7,8-tetramethylchromane-2-carboxylic acid and product obtained by the method |
| 05/02/2008 | WO2008050661A1 Method for producing asymmetric copper complex crystal |
| 05/01/2008 | US20080103316 Reduction of 4-aryl-4-ketobutanoic acid derivatives utilizing ruthenium containing catalysts |
| 04/30/2008 | CN100384791C Catalytic hydrogeneration of carbon-heteroatom double bonds |
| 04/29/2008 | US7365210 Method for the production of chiral imidazolidin-2-ones |
| 04/24/2008 | WO2008046950A1 P,s-type bidentate chiral ligands and use thereof in the pauson-khand reaction |
| 04/23/2008 | EP1912679A2 Amine-containing lipids and uses thereof |
| 04/23/2008 | CN101166708A Optically active 3-methylcyclopentadecanone and method for producing intermediate thereof |
| 04/22/2008 | US7361786 Polymer enlarged ligands or complexes advantageous in catalytic processes carried out in a membrane reactor; high enantiomeric purity |
| 04/16/2008 | EP1911516A1 Homogeneous asymmetric hydrogenation catalyst |
| 04/15/2008 | US7358382 Two alcohol groups of 2,2-dimethyl-pentane-nitrile compound are protected with benzyl, 4-methoxybenzyl, 3,4-dimethoxybenzyl, triethylsilyl, trimethylsilyl, triisopropyl, tetrahydropyran, methyloxymethyl, allyl, trityl |
| 04/15/2008 | US7358073 Process for the preparation of aminoalcohol derivatives and their further conversion to (1R, 4S)-4(2-amino-6-chloro-5-formamido-4- pyrimidinyl)-amino-2-cyclopentenyl-1-methanol |
| 04/15/2008 | CA2349325C Process for converting an alcohol to the corresponding fluoride |
| 04/15/2008 | CA2337452C Process for the preparation of 4,5-diamino shikimic acid derivatives |
| 04/15/2008 | CA2240107C Novel diphenylarsines |
| 04/10/2008 | WO2008041571A1 Process for producing optically active beta-hydroxy-alpha-aminocarboxylic acid ester |
| 04/10/2008 | WO2008041029A1 Chiral phosphorus compound |
| 04/09/2008 | EP1908747A1 Process for producing optically active 2-hydroxybutyric ester |
| 04/09/2008 | CN101157686A Method for selectively preparing (S)- rebeprazole by high enantiomer |
| 04/09/2008 | CN101157655A Method for synthesizing (4S,5R)- half-ester |
| 04/08/2008 | CA2203183C Process for producing derivatives of 4a,5,9,10,11,12,-hexahydro-6h-benzofuro[3a,3,2-ef][2]benzazepine |
| 04/03/2008 | WO2008038578A1 OPTICALLY ACTIVE QUATERNARY AMMONIUM SALT HAVING AXIAL ASYMMETRY, AND METHOD FOR PRODUCING α-AMINO ACID AND DERIVATIVE THEREOF BY USING THE SAME |
| 04/02/2008 | EP1905760A1 Process for production of optically active aminopentane derivative, intermediate in the process and process for production of the intermediate |
| 04/02/2008 | CN100378081C Process for the manufacture of organic compounds |
| 04/01/2008 | US7351849 Process for producing optically active β-amino acid derivatives |
| 04/01/2008 | US7351835 Organic molecular cataylst having binaphthol skeleton and processes for producing the same and application thereof |
| 03/27/2008 | WO2008035687A1 METHOD FOR PRODUCING PHOSPHORUS-CONTAINING α-AMINO ACID AND PRODUCTION INTERMEDIATE THEREOF |
| 03/27/2008 | WO2008034809A1 Diphosphines and metal complexes |
| 03/27/2008 | US20080076817 Neurotrophic N-glyoxyl-prolyl ester compounds e.g. 3-phenyl-1-propyl (2S)-1-(3,3-dimethyl-1,2-dioxopentyl)-2-pyrrolidinecarboxylate; non-immunosuppressive; side effect reduction; neurodegenerative diseases |
| 03/26/2008 | EP1658298B1 Phosphorus-containing imidazolines and metal complexes thereof |
| 03/26/2008 | CN101148456A Organic phosphoric acid catalyst and its preparation method and application |
| 03/20/2008 | WO2008032546A1 PROCESS FOR PRODUCTION OF OPTICALLY ACTIVE α-AMINO ACID BENZYL ESTER |
| 03/20/2008 | WO2008032531A1 Process for production of optically active phosphorous compound |
| 03/20/2008 | WO2008031889A2 Pnicogen-containing pseudochelating ligands |
| 03/19/2008 | EP1900720A1 Process for production of substituted cyclopentanone |
| 03/19/2008 | CN101146813A Method of producing 3-hydroxybutyraldehyde derivative |
| 03/19/2008 | CN101146812A Optically active ammonium salt compound, production intermediate thereof and method for producing same |
| 03/19/2008 | CN101143862A Ionic compound containing chiral amine-thiourea (urea) and its preparation method and application |
| 03/13/2008 | WO2008029754A1 Process for production of optically active aminophosphinylbutanoic acid |
| 03/13/2008 | CA2662391A1 Process for production of optically active aminophosphinylbutanoic acids |
| 03/12/2008 | CN101139270A Method for application of enamine in palladium catalytic asymmetry allyl group alkylated reaction |
| 03/06/2008 | US20080058543 Process for making chiral 1,4-disubstituted piperazines |
| 03/06/2008 | US20080058514 ceramide-like inhibitors; novel intermediates formed during the synthesis; Glycosphingolipids |
| 03/05/2008 | CN101137602A Process for preparing enantiopure E-(2S)-alkyl-5-halopent-4-enoic acids and esters |
| 03/04/2008 | US7338945 (1R,4S) or (1S,4R)-1-Amino-4-(hydroxymethyl)-2-cyclopentene D- or L-hydrogen tartrate intermediates |
| 02/27/2008 | CN101130529A Method for preparing optical activity 2,3-dihydroxy teinai hemiacetal derivant |
| 02/20/2008 | EP1889826A1 Method for producing hexahydrofurofuranol derivative |
| 02/20/2008 | EP1177166B1 Process for preparing (1r,2s,4r) -(-)-2- (2'- n,n-dimethylamino -ethoxy) -2- phenyl -1,7,7-tri- methyl -bicyclo 2.2.1 heptane and pharmaceutically acceptable acid addition salts thereof |
| 02/20/2008 | CN100369906C Method for producing 3-amidinophenylalanine derivatives |
| 02/19/2008 | US7332627 Compositions comprising a solvated metal |
| 02/19/2008 | US7332622 Process for preparing optically active nitro compounds and cyano compounds |
| 02/19/2008 | US7332610 Chemical intermediates for production of sibutramine |
| 02/14/2008 | WO2008018520A1 Method for producing optically active hydroxycarboxylic acid derivative or salt thereof |
| 02/14/2008 | WO2008018195A1 Polymer having bis(diphenylphosphino)binaphthyl group |
| 02/13/2008 | EP1885732A2 CHIRAL DIPHOSPHONITES AS LIGANDS IN THE RUTHENIUM-CATALYSED ENANTIOSELECTIVE REDUCTION OF KETONES ß-KETO-ESTERS AND KETIMINES |
| 02/13/2008 | EP1748975B1 Method for the production of optically active 3-alkyl carboxylic acids and the intermediate products thereof |
| 02/13/2008 | CN101124234A Catalyst for asymmetric synthesis, ligand used therefor and method for producing optically active compound by asymmetric synthetic reaction using the same |
| 02/12/2008 | US7329766 Process for stereoselectively reducing 4-aryl-4-oxobutanoic acid derivatives |
| 02/06/2008 | EP1884509A1 Optically active 3-methylcyclopentadecanone and method for producing intermediate thereof |
| 02/06/2008 | CN101120010A Metallocene-based phosphorus chiral phosphines |
| 02/06/2008 | CN101117304A Method for proceeding asymmetric catalytic hydrogenation reaction |
| 02/06/2008 | CN100366613C Method for preparation of (s)-(+)-and(r)-(-)10,11-dihydro-10-hydrodoxy-5h-dibenz/b,f/azephine-5-carboxamide |
| 02/06/2008 | CN100366596C Process for producing 2-(l-menthoxy)ethanol compound |
| 02/05/2008 | US7326559 Reacting an allene derivative containing two hydroxy or two ester groups in presence of esterase or lipase enzyme catalyst with an unsaturated ester when ( both are hydroxy groups) or with water when (both are ester groups); chemical intermediates for medicinal and agricultural active agents |
| 02/05/2008 | CA2289206C Efficient enantioselective addition reaction using an organozinc reagent |
| 02/05/2008 | CA2216153C Dihalogenated ferrocenes and processes for the preparation thereof |
| 01/31/2008 | WO2008013009A1 Polymer-supported metal complex catalyst |
| 01/30/2008 | EP1882685A1 Method for producing asymmetric tetrasubstituted carbon atom-containing compound |
| 01/24/2008 | WO2008010455A1 METHOD FOR PRODUCING β-DIARYL ELECTRON-WITHDRAWING GROUP SUBSTITUTED COMPOUND |
| 01/23/2008 | CN101108850A Single-side bridged chirality metalloporphyrin compound and chirality catalytic system used for unsymmetrical oxidation reaction thereof |
| 01/23/2008 | CN100363372C Preparation of partially hydrogenated rac-ansa-metallocene complexes |
| 01/16/2008 | EP1737820B1 Asymmetric hydrogenation process useful for the preparation of cycloalkanoindole derivatives |
| 01/16/2008 | CN100361971C Double functional group L-proline derivative with adjustable catalytic activity and its prepn |
| 01/09/2008 | EP1874711A2 Asymmetric hydroformylation process |
| 01/09/2008 | EP1601635B1 Process for producing optically active alcohol in the presence of rhodium, a chiral ferrocenyldiphosphine and an optically active diamine |
| 01/09/2008 | CN101100428A Method for catalytically synthesizing chiral L- or D-diethyl tartrate by using boric acid |
| 01/09/2008 | CN101099936A Use of chiral oxazoline |
| 01/09/2008 | CN100360480C Amino group-containing chiral ionic liquid and its prepn process and application |
| 01/08/2008 | US7317123 Process for preparation of 7-amino syn 3,5-dihydroxy heptanoic acid derivatives, intermediates thereof and methods for their preparation |
| 01/03/2008 | WO2008001719A1 Method for producing optically active 1-(fluoro-, trifluoromethyl- or trifluoromethoxy-substituted phenyl)alkylamine n-monoalkyl derivative |
| 01/03/2008 | WO2008000815A1 Diphosphine ligands |
| 01/03/2008 | CA2656557A1 Fatty acid blends and uses therefor |