| Patents for C07B 53 - Asymmetric syntheses (6,231) |
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| 10/28/2008 | US7442811 Process for the preparation of dioxane acetic acid esters |
| 10/23/2008 | US20080262247 Using 3-hydroxy-3(2-thiophenyl)-N-methylpropionamide; chemical intermediate for fluoxetine |
| 10/22/2008 | EP1982985A2 Method for manufacturing a purine derivative |
| 10/22/2008 | EP1982973A1 Method for producing optically active alcohol compound |
| 10/22/2008 | EP1982972A1 Method for producing optically active alcohol compound |
| 10/21/2008 | US7439397 reacting methyl bromide and 2-[(1R)-3-(diisopropylamino)-1-phenylpropyl]-4-(trifluoromethyl) phenol; formation of (3R)-3-[2-hydroxy-5-(trifluoromethyl)phenyl]-N,N-diisopropyl-N-methyl-3-phenylpropan-1-aminium bromide; asthma, chronic obstructive pulmonary disorder, allergic and infectious rhinitis |
| 10/16/2008 | WO2008123067A1 Method for asymmetric hydrogenation of allyl amine |
| 10/15/2008 | EP1497267B1 Method for the production of chiral imidazolidin-2-ones |
| 10/15/2008 | CN101284832A Preparation method of (4S, 5R)- half-ester |
| 10/15/2008 | CN101284230A Multiphase unsymmetrical hydrogenated catalyst, preparation method and application thereof |
| 10/14/2008 | CA2333888C Production of optically active phospholanes |
| 10/09/2008 | WO2008121074A1 Method of producing an optically active cyanohydrin derivative |
| 10/09/2008 | WO2008120475A1 Method for producing alcohol by hydrogenating lactone and carboxylic acid ester in liquid phase |
| 10/08/2008 | EP1978016A1 Asymmetric reduction method |
| 10/08/2008 | EP1341785B1 Hydrolysis of r(r*,r*)-2-(4-fluorophenyl)-beta,delta-dihydroxy-5-(1-methylethyl)-3-phenyl-4- [(phenylamino)carbonyl]-1h-pyrrole-1-heptanoic acid esters with calcium hydroxide |
| 10/08/2008 | CN101279947A Synthetic method of (4S,5R)-half-ester |
| 10/02/2008 | WO2008117773A1 Process for production of asymmetric tetrasubstituted quinolonecarboxylic acids and intermediates for the production |
| 10/02/2008 | US20080242855 Process for Producing Flavone C Glycoside Derivatives |
| 10/01/2008 | CN101274910A Preparation of tert-butyl (3R, 5R)-3,5-dihydroxy-7-N-phthaloylimino heptanonate |
| 10/01/2008 | CN100422138C Process for producing optically active 1-alkyl-substituted 2,2,2-trifluoroethylamine |
| 09/25/2008 | WO2008115153A1 N-heterocyclic carbene (nhc) catalyzed synthesis of hydroxamic acids |
| 09/25/2008 | WO2008114506A1 Method for producing 4-aminomethylbenzoic acid |
| 09/24/2008 | CN101270113A Preparation of multi-chiral catalyst, preparation and application of cyclic carbonates with optical activity |
| 09/24/2008 | CN101270070A Method for preparing (S)-alpha-ethyl-2-oxo--1-pyrrolidine ethanamide with high optical purity |
| 09/23/2008 | CA2483875C 6,11 bicyclic erythromycin derivatives |
| 09/23/2008 | CA2177227C Process for the preparation of optically active piperazine-2-carboxylic acid derivatives |
| 09/18/2008 | WO2008111563A1 Process for production of optically active sulfoxide compound using iron-salan complex catalyst |
| 09/18/2008 | WO2008111557A1 Process for production of optically active epoxy compound |
| 09/18/2008 | WO2008111371A1 Phosphoroamide compound, method for producing the same, ligand, complex, catalyst, and method for producing optically active alcohol |
| 09/18/2008 | CA2680425A1 Process for production of optically active epoxy compound |
| 09/16/2008 | US7425530 Stereoselective preparation of cyclic L-amino acids |
| 09/10/2008 | CN101263110A Optically active diamine derivative and process for producing the same |
| 09/09/2008 | US7423154 Asymmetric process for the preparation of diarylethylpiperazines derivatives and novel asymmetric diarylmethylamines as intermediates |
| 09/09/2008 | CA2412047C Shortened synthesis of 3,3-diarylpropylamine derivatives |
| 09/04/2008 | US20080214870 Method of Preparing Amine Stereoisomers |
| 09/03/2008 | EP1964925A1 Process for production of optically active 4-hydroxy-1,2,3,4 -tetrahydroquinolines |
| 09/02/2008 | US7420078 Process for the preparation of intermediates useful in the synthesis of statin derivatives especially 7-amino 3,5-dihydroxy heptanoic acid derivatives, and intermediates thereof |
| 09/02/2008 | US7419933 chiral zirconium catalyst that can maintain its high catalytic activity even after long-term storage, which is stable in air and storable for a long period of time, and recoverable and reusable after reaction, is provided. |
| 08/28/2008 | WO2008102584A1 Novel flavanol compound and method for production thereof |
| 08/27/2008 | EP1368325B1 New asymmetric process for the preparation of diarylmethylpiperazines derivatives and novel asymmetric diarylmetylamines as intermediates |
| 08/27/2008 | EP1200390B1 Production of n-substituted 2,7-dialkyl-4-hydroxy-5-amino-8-aryl-octanoylamides |
| 08/27/2008 | CN101250171A Chiral gamma-butyrolactone and preparation by asymmetric allylic alkylation reaction catalysed by chiral phosphonic compound |
| 08/21/2008 | WO2008099715A1 Method for producing optically active 2-arylpiperazine derivative |
| 08/21/2008 | US20080200708 Hydrogenation catalyst which is organometallic complex |
| 08/20/2008 | CN101245046A Process for synthesizing 3-indole-1-propylene compounds and uses thereof |
| 08/19/2008 | US7414157 Hydroxylation of β-dicarbonyls with zirconium catalysts |
| 08/19/2008 | US7414156 Non-C2-symmetric bisphosphine ligands as catalysts for asymmetric hydrogenation |
| 08/13/2008 | CN101239992A Transition metal complex having diphosphine compound as ligand |
| 08/13/2008 | CN101239991A Transition metal complex having diphosphine compound as ligand |
| 08/13/2008 | CN101239983A Chiral synthesis method for (-)-galantamin hydrobromide |
| 08/13/2008 | CN101239941A Process for producing optically active compound |
| 08/13/2008 | CN100410263C Substituted ferrocenyldiphosphines as ligands for homogeneous hydrogenation catalysts |
| 08/13/2008 | CN100410260C Process for producing penicillanic acid compound |
| 08/13/2008 | CN100410248C Modifications of the trometamol salt of R-thioctic acid as well as a process for their production |
| 08/13/2008 | CN100410234C Asymmetric-synthesis catalyst based on chiral broensted acid and method of asymmetric synthesis with the catalyst |
| 08/13/2008 | CN100409844C Noval compound, its synthetizing process and therapeutic use |
| 08/12/2008 | US7411107 Alkene separation process |
| 08/07/2008 | WO2008093668A1 Chiral iridium aqua complex and method for producing optically active hydroxy compound by using the same |
| 08/06/2008 | CN101235104A Six kinds of alpha-schiff base derived beta-cyclodextrin and use |
| 08/05/2008 | US7407910 Ligands for asymmetric reactions |
| 07/31/2008 | US20080182873 Process for the manufacture of hmg-coa reductase inhibitors |
| 07/30/2008 | CN101233099A Process for production of mono-substituted alkylated compound using aldimine or derivative thereof |
| 07/30/2008 | CN101230047A Method for preparing 4-substituted chirality oxazolidinone compounds |
| 07/30/2008 | CN100406433C Process for the cyanation of aldehydes |
| 07/24/2008 | WO2006138380A3 Amine-containing lipids and uses thereof |
| 07/23/2008 | EP1945650A1 Bidentate c, p chiral phosphine ligands |
| 07/23/2008 | CN101228107A Method for producing aminoalcohol derivative having biphenyl group |
| 07/23/2008 | CN101225089A Process for the preparation of diisopinocampheylchloroborane |
| 07/23/2008 | CN101225065A Chiral compound having multi-hydrogen bonds dual-function as well as synthetic method and use thereof |
| 07/22/2008 | CA2343346C Process for the preparation of 4,5-diamino shikimic acid derivatives |
| 07/17/2008 | DE112006002419T5 Verfahren zur Herstellung von optisch aktivem α-Ionen A process for producing optically active α-ion |
| 07/16/2008 | EP1944291A1 Optically active cyclic alcohol compound and method for producing same |
| 07/16/2008 | CN101220039A Chiral center aza ring carbene precursor salt with camphor framework, synthesizing method and uses thereof |
| 07/15/2008 | CA2339250C Synthesis of acyclic nucleoside derivatives |
| 07/09/2008 | EP1942103A1 Method for producing optically active benzylamine derivative |
| 07/09/2008 | CN101215256A 2-methylamino(4,7-dihydroindole) compound, synthetic method and use thereof |
| 07/09/2008 | CN101215236A Beta-disubstituted chiral aldehydes, synthesis method and use thereof |
| 07/08/2008 | US7396947 Chiral ligands for application in asymmetric syntheses |
| 07/08/2008 | CA2582172C Preparation of arthropodicidal oxadiazines |
| 07/03/2008 | WO2008077610A1 Assymmetric hydrogeneration of prochiral compounds |
| 07/02/2008 | EP1554295B1 Preparation of partially hydrogenated rac-ansa-metallocene complexes |
| 07/02/2008 | CN101213173A Process for production of optically active aminopentane derivative, intermediate and process for producing the intermediate |
| 07/02/2008 | CN100398210C Optically active copper catalyst complex |
| 07/01/2008 | US7393979 subjecting an optically active imine represented by the formula to an asymmetric reduction under hydrogen atmosphere using a metal catalyst of Group VIII to convert it into an optically active secondary amine and then by subjecting the secondary amine or its salt to hydrogenolysis |
| 06/26/2008 | US20080154047 Process For the Preparation of Enantiomerically Pure1-Substitued-3-Aminoalcohols |
| 06/26/2008 | US20080154036 Guanidine Compound and Asymmetric Reaction Using the Same |
| 06/26/2008 | DE102006062278A1 Preparing an amino acid derivative, comprises reacting carbonyl compound and amine compound, reacting obtained nitrogen containing carbonyl compound with aziridine compound and converting obtained compound to a carbonyl derivative |
| 06/25/2008 | EP1935896A1 Novel optically active biaryl phosphorus compound and production process thereof |
| 06/24/2008 | US7390825 Process for the preparation of oxazolidinones and method of use thereof |
| 06/19/2008 | US20080146458 Process for the preparation of oxazolidinones and method of use thereof |
| 06/18/2008 | EP1932826A1 Method for producing aminoalcohol derivative having biphenyl group |
| 06/12/2008 | US20080138281 with C11 or F18 radioisotops; e.g. O-[18F]Fluoromethyl-L-tyrosine or O-[11C]methyl-L-tyrosine; comparison of the radiation dose of each tissue |
| 06/11/2008 | EP1930333A1 Method and apparatus for producing episesamin-rich composition |
| 06/11/2008 | EP1930325A1 Process for producing optically active piperazine compound |
| 06/11/2008 | EP1930315A1 Process for production of mono-substituted alkylated compound using aldimine or derivative thereof |
| 06/11/2008 | EP1451184B1 Dimeric compounds and their use as anti-viral agents |
| 06/11/2008 | CN101195096A Chirality latex catalyst, production method and application thereof |
| 06/10/2008 | CA2393995C Novel benzene sulfonamide derivatives, their preparation and pharmaceutical compositions containing them |
| 06/05/2008 | WO2008067218A1 Electronically tuned ligands for asymmetric hydrogenation |
| 06/04/2008 | EP1927596A1 Diphosphine ligand and transition metal complex using the same |