| Patents for C07B 53 - Asymmetric syntheses (6,231) |
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| 07/01/2010 | WO2010072798A1 Process for the preparation of optically active compounds using transfer hydrogenation |
| 07/01/2010 | WO2010072746A1 Chiral ligands |
| 07/01/2010 | CA2748349A1 Process for the preparation of optically active compounds using transfer hydrogenation |
| 07/01/2010 | CA2747994A1 Chiral ligands |
| 06/30/2010 | EP2202236A1 Chiral ligands |
| 06/30/2010 | CN101759624A Method for increasing recovery rate of chiral auxiliaries in process for preparing hydrophobic amino acid |
| 06/29/2010 | US7745626 Stereoselective alkylation of chiral 2-methyl-4-protected piperazines |
| 06/29/2010 | US7744838 Functionalized ionic liquids, and methods of use thereof |
| 06/23/2010 | CN101747463A Porous crosslinked polystyrene resin supported cinchona alkaloid compounds and preparation method thereof |
| 06/23/2010 | CN101745424A Chiral diamine-proton acid catalyst, preparation and application thereof |
| 06/23/2010 | CN101298056B Asymmetric catalytic reaction catalyst and preparation and use thereof |
| 06/23/2010 | CN101143862B Ionic compound containing chiral amine-thiourea (urea) and its preparation method and application |
| 06/22/2010 | CA2492161C New derivatives of fluorinated benzothiadiazines, the process for preparing them and the pharmaceutical compounds that contain them |
| 06/17/2010 | US20100152465 Functionalized Ionic Liquids, and Methods of Use Thereof |
| 06/16/2010 | CN101735368A Sulfonated porous crosslinked polystyrene resin loaded cinchona alkaloid compound and preparation method thereof |
| 06/16/2010 | CN101735209A Method for synthesizing chiral dorzolamide hydrochloride |
| 06/16/2010 | CN101735134A Chiral 3-hydroxy pyrrolidone compound and preparation method and application thereof |
| 06/16/2010 | CN101733153A Porous crosslinked polystyrene sulfonic acid resin loaded quinine quaternary ammonium salt and preparation method thereof |
| 06/15/2010 | CA2383340C Thienoisoxazolyl- and thienylpyrrazolyl-phenoxy substituted propyl derivatives useful as d4 antagonists |
| 06/10/2010 | US20100145071 Small molecule inhibitors of rotamase enzyme activity |
| 06/09/2010 | CN101220039B Chiral center aza ring carbene precursor salt with camphor framework, synthesizing method and uses thereof |
| 06/09/2010 | CN101182308B Imidazole chiral ionic liquids containing double function groups as well as preparation method and uses thereof |
| 06/09/2010 | CN101041637B Chiral amine protonic acid salt containing imidazole sulfur ether structure and preparation method and usage thereof |
| 06/08/2010 | US7732365 Enantioselective amination and etherification |
| 06/08/2010 | CA2230143C Chiral supports, their synthesis and their use in the separation of chiral compounds or preparation of enantiomers |
| 06/03/2010 | WO2010061909A1 Asymmetric hydrogenation catalyst |
| 06/02/2010 | EP2192110A1 Method of producing optically active n-(halopropyl)amino acid derivative |
| 05/26/2010 | EP2189438A1 Method for purification of optically active -fluorocarboxylic acid esters |
| 05/26/2010 | CN1626492B Hydrogenant process |
| 05/26/2010 | CN101712697A Ferrocene phosphinimine ligand containing imidazole salt group, preparation thereof and application in catalyzing asymmetric allyl substitution reaction |
| 05/26/2010 | CN101712645A Preparation method for (2R, 4R)-4-substituted-2-piperidine carboxylic acid compound and intermediate thereof |
| 05/21/2010 | CA2689720A1 A contact sex pheromone component of the emerald ash borer agrilus planipennis fairmaire (coleoptera: buprestidae) |
| 05/20/2010 | WO2010055755A1 PROCESS FOR PRODUCING α-SUBSTITUTED ESTER |
| 05/20/2010 | WO2010055376A1 Chiral amine-(sulphur) urea double functional catalyst and synthesis method and use thereof |
| 05/20/2010 | WO2010055112A1 Chiral ligands |
| 05/20/2010 | CA2743523A1 Chiral ligands |
| 05/19/2010 | EP2186817A1 Chiral ligands |
| 05/19/2010 | EP2186812A1 Production process of optically active 3-quinuclidinol derivative |
| 05/19/2010 | EP1490379B1 Bisphosphines as bidentate ligands |
| 05/19/2010 | CN101709023A 2,2',6,6'-tetrahydroxy-3,3',5,5'-tetra-substituted biphenyl ligand and synthesis method thereof |
| 05/18/2010 | US7718818 zirconium complexes of bis(o-hydroxybenzylamines); useful as intermediates for the preparation of fine chemicals, pharmaceuticals and plant protection products such as arthropodicidal oxadiazines |
| 05/11/2010 | CA2414844C Process for the preparation of (r)-2-alkyl-3-phenyl-1-propanols |
| 05/11/2010 | CA2364960C Regioselective synthesis of dtpa derivatives |
| 05/05/2010 | CN1950329B Radioactive tyrosine derivative, method for producing same, labeling agent for positron imaging and medical agent for assessing grade of malignancy of tumor respectively composed of radioactive tyrosi |
| 05/04/2010 | US7709678 Method for producing asymmetric alkyl compound using alkali-treated solid support, and alkali-treated solid support used in this method |
| 05/04/2010 | US7709651 asymmetriccomplex of copper(I) trifluoromethanesulfonate and 1,1-bis[2-[(4S)-(tert-butyl)-oxazoline]]cyclopropane is added to 3-methyl-2-butenyl acetate and ethyl diazoacetate using dichloroethane solvent to effect reaction to produce ethyl 3,3-dimethyl-2-(acetoxymethyl)cyclopropanecarboxylate |
| 04/29/2010 | WO2010047266A1 Method for producing fluorosulfuric acid ester |
| 04/27/2010 | US7705161 cyclization of N-acylhydrazone |
| 04/27/2010 | US7704912 metal complexes for used in hydrogenation, hydroformylation, hydroboration, hydrosilylation, hydrovinylation, hydroamination, epoxidation, hydroxylation, Michael addition, aldol addition, Diels-Alder reaction; enantioselective |
| 04/22/2010 | US20100099902 Chiral phosphanes for use in asymmetric syntheses |
| 04/21/2010 | CN101139270B Method for application of enamine in palladium catalytic asymmetry allyl group alkylated reaction |
| 04/14/2010 | CN101693704A Method for synthesizing optically-active trans-Whiskey lactone |
| 04/14/2010 | CN101693208A SBA-15 immobilized cinchona alkaloid diamine ligand and preparation method thereof |
| 04/14/2010 | CN101100428B Method for catalytically synthesizing chiral L- or D-diethyl tartrate by using boric acid |
| 04/13/2010 | US7696349 6-(3,5-dioxa-4-phosphacyclohepta[2,1-a; 3,4-a']dinaphthalen-4-yl)-2-pivaloylaminopyridine ligand or complexed with platinum chloride; hydrogenation, hydroformylation, hydrocyanation, carbonylation, hydrosilylation |
| 04/13/2010 | CA2447636C Synthesis of cannabinoids |
| 04/07/2010 | EP2172443A1 Method for producing optically active amine |
| 04/06/2010 | US7692034 Process for the preparation of 7-amino syn 3,5-dihydroxy heptanoic acid derivatives via 6-cyano syn 3,5-dihydroxy hexanoic acid derivatives |
| 04/01/2010 | WO2010035902A1 Process for producing 1-substituted trans-4-(substituted amino)piperidin-3-ol |
| 03/30/2010 | CA2452920C Benzo [g] quinoline derivatives for treating glaucoma and myopia |
| 03/24/2010 | EP1622918B1 Phospholane salts and their use in enantioselective hydrogenation |
| 03/24/2010 | CN101676288A Iminazole chiral organic micromolecule compound with bicyclo-structure and synthesizing method thereof |
| 03/23/2010 | CA2414202C Catalyst for asymmetric (transfer) hydrogenation |
| 03/18/2010 | WO2010030017A1 Method for producing optically active cyclopropane carboxylic acid ester compound, asymmetric copper complex, and optically active salicylideneaminoalcohol compound |
| 03/17/2010 | CN101671365A Chiral spiro aminophosphine ligand compound and synthesis method as well as application thereof |
| 03/17/2010 | CN101671357A (S)-Alpha, Alpha-fluorine-containing diaryl-2-pyrrolidine methanol derivative as well as preparation and applications thereof |
| 03/17/2010 | CN101671313A Beta-naphthyl methyl substituted spiral bisoxazoline ligand, synthetic method and application thereof |
| 03/11/2010 | WO2010027334A1 Novel tricyclic chiral compounds and their use in asymmetric catalysis |
| 03/10/2010 | EP2161254A1 Intermediate for preparing a biaryl compound |
| 03/10/2010 | EP2161250A1 Process for the preparatiom of 7-amino-syn-3,5-dihydroxy heptanoic acid derivatives, intermediates thereof and methods for their preparation |
| 03/09/2010 | CA2407972C Azabicyclic carbamates and their use as alpha-7 nicotinic acetylcholine receptor agonists |
| 03/03/2010 | CN101663256A Method of producing an optically active cyanohydrin derivative |
| 02/25/2010 | WO2010021093A1 Asymmetric organic catalyst |
| 02/23/2010 | US7667078 Asymmetric reaction catalyst and method for preparing optically active compound using the same |
| 02/23/2010 | US7666906 β-Benzyloxyaspartate derivatives with amino group on benzene ring |
| 02/16/2010 | CA2414839C Preparation of (r)-2-alkyl-3-phenylpropionic acids |
| 02/09/2010 | CA2438704C Substituted propane-1,3-diamine derivatives and the pharmaceutical use thereof |
| 02/04/2010 | US20100029968 Asymmetric reaction catalyst and method for preparing optically active compound using the same |
| 02/02/2010 | CA2358581C Arylalkanoyl derivatives, processes for their preparation, their use and pharmaceutical compositions containing them |
| 02/02/2010 | CA2358560C .alpha.-substitution of unprotected .beta.-amino ester compounds |
| 01/28/2010 | WO2010010912A1 OPTICALLY ACTIVE α-AMINO ACID INTO WHICH BSH IS INTRODUCED AND METHOD FOR SYNTHESIZING THE SAME |
| 01/27/2010 | CN100584460C Catalyst for asymmetric (transfer) hydrogenation |
| 01/27/2010 | CN100584459C Application of dehydroabietylamine thiourea catalyst in synthesizing chiral compound with high-antipodism both-hand control |
| 01/26/2010 | US7652060 Small molecule rotamase enzyme inhibitors |
| 01/26/2010 | CA2229312C Cleavage of optically active amides |
| 01/21/2010 | WO2010007202A1 Enzymatic synthesis of enantiomerically enriched derivatives of cis- and trans-cyclopentane-1,2-diamines |
| 01/21/2010 | CA2730707A1 Process to purify dialkyl sulfides |
| 01/14/2010 | WO2010004957A1 Chiral iridium aqua complex and method for producing optically active hydroxy compound using the same |
| 01/14/2010 | WO2010003226A1 Chiral acyclic diaminocarbene ligands, precursors therefore and their use in organic synthesis reactions |
| 01/14/2010 | CA2730307A1 Chiral acyclic diaminocarbene ligands, precursors therefore and their use in organic synthesis reactions |
| 01/13/2010 | EP2143715A1 Method for obtaining pure enantiomers of a pyridazinone derivative |
| 01/13/2010 | EP1685092B1 Asymmetric reductive amination of keto acid derivatives for producing amino acid derivatives |
| 01/12/2010 | CA2382163C Electronically tuned ligands |
| 01/06/2010 | EP2141153A2 Stereoselective alkylation of chiral 2-methyl-4 protected piperazines |
| 01/06/2010 | EP2141143A2 Stereoselective alkylation of chiral 2-methyl-4 protected piperazines |
| 01/06/2010 | EP2141142A1 Method for producing alcohol by hydrogenating lactone and carboxylic acid ester in liquid phase |
| 01/06/2010 | EP2139829A1 N-heterocyclic carbene (nhc) catalyzed synthesis of hydroxamic acids |
| 12/31/2009 | US20090326226 Method for asymmetric synthesis |
| 12/30/2009 | WO2009158308A1 Synthesis of chiral amines |
| 12/30/2009 | WO2009157386A1 Method for producing optically active amine compound |