Patents for C07B 53 - Asymmetric syntheses (6,231)
09/2007
09/07/2007WO2007098741A2 Organic salts and method for producing chiral organic compounds
09/07/2007CA2642784A1 Organic salts and method for producing chiral organic compounds
09/06/2007US20070205388 Acidity and dissociation; stability, for doping polymers, as electrolytes in batteries
09/06/2007DE102006009518A1 Organische Salze sowie Verfahren zur Herstellung von chiralen organischen Verbindungen Organic salts as well as methods for preparing chiral organic compounds
09/04/2007US7265237 Transition metal-catalyzed hydrogenation, hydroborination and hydrocyanation of prochiral olefins, ketones and imines.
09/04/2007US7265228 N-(alpha-methylolbenzyl)1-(aminoethyl)- or 1-(aminocarbonyl)-2-aryl(especially phenyl or benzodioxanyl)-2-hydroxyethylamine intermediates for enantiomeric synthesis of amino ceramide-like compounds
08/2007
08/30/2007WO2006128434A3 CHIRAL DIPHOSPHONITES AS LIGANDS IN THE RUTHENIUM-CATALYSED ENANTIOSELECTIVE REDUCTION OF KETONES ß-KETO-ESTERS AND KETIMINES
08/30/2007US20070203223 Via amino ceramide-like compounds; lowering glycosphingolipid concentrations; Fabry's disease, Gaucher's disease
08/29/2007EP1727620B1 C1-symmetric bisphosphine ligands and their use in the asymmetric synthesis of pregabalin
08/29/2007EP1489070B1 Process for production of optically active compounds
08/29/2007EP1235786B1 Method for the preparation of enantiomerically enriched compounds
08/29/2007CN100334055C Novel norbornane and norbornene derivatives, use thereof and perfumed products containing same
08/28/2007US7262315 For silylation, hydrosilylation, amination, aldol condensations, and cyclization
08/23/2007WO2007094480A1 Method of producing optically active alcohol
08/23/2007WO2007094404A1 Process for production of optically active carboxylic acid compound
08/23/2007CA2642388A1 Process for preparing optically active alcohols
08/22/2007EP1819654A1 Method for the production of menthol
08/16/2007WO2007091658A1 Process for production of optically active allyl compound
08/16/2007US20070191631 Process for producing optically active fluorochemical
08/16/2007US20070191614 Process for producing nitrogenous 5-membered cyclic compound
08/15/2007CN1331853C Small molecule inhibitors of rotamase enzyme activity
08/14/2007US7256311 Process for hydrogenating unactivated imines using ruthenium complexes as catalysts
08/14/2007US7256302 Catalyst ligand with groups on one or both of the benzene rings in a paracyclophane structure; high activity and selectivity for asymmetric reactions, facilitate chiral resolution
08/14/2007US7256289 Serotonin receptor antagonists; nervous system disorders, R)-4-(2,3-dihydro-1,4-benzodioxin-5-yl)- beta -methyl-1-piperazineethanol
08/09/2007WO2007089025A1 Method for producing optically active alcohol compound
08/09/2007WO2007089022A1 Method for producing optically active alcohol compound
08/08/2007CN1330644C 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
08/08/2007CN101012241A Benzyl-position-substituted oxazoline phosphine ligand with chirality center, synthetic method and application
08/08/2007CN101012147A Method of preparing R-(+)-3-chlorophenylpropanol
08/08/2007CN101012141A Method of manufacturing chiral sulfoxide compounds
08/08/2007CN101011671A Organic small molecule catalyst of aqueous phase asymmetric direct aldol condensation reaction, and preparing method and use thereof
08/07/2007US7253194 Compounds and inhibitors of phospholipases
08/07/2007CA2377069C Synthesis of non-c2-symmetric bisphosphine ligands as catalysts for asymmetric hydrogenation
08/02/2007US20070179301 Polymer enlarged ligands or complexes advantageous in catalytic processes carried out in a membrane reactor; high enantiomeric purity
08/01/2007EP1813621A1 Ruthenium complex and process for producing tert-alkyl alcohol therewith
08/01/2007EP1813619A1 Process for producing penam compound
08/01/2007EP1289929B1 Shortened synthesis of 3,3-diarylpropylamine derivatives
08/01/2007CN1329405C Novel diphosphines, their complexes with transisition metals and their use in asymmetric synthesis
08/01/2007CN1329368C Method for the prepararation of enantiomerically enriched compounds
07/2007
07/31/2007US7250526 Transfer hydrogenation process and catalyst
07/26/2007WO2007082927A1 Chemical transformation process in the presence of a ruthenium catalyst
07/26/2007US20070173660 Catalytic composition and process for asymmetric hydrogenation
07/25/2007EP1339655B1 Transfer hydrogenation process and catalyst
07/25/2007CN1328369C Preparing pravastatin
07/25/2007CN1328230C Transfer hydrogenation process
07/25/2007CN101003549A Phosphine compound of possessing plane chirality cyclophane alkyl, synthetic method, and appliction
07/25/2007CN101003503A Process for the preparation of prostaglandins and analogues thereof
07/24/2007US7247747 Isolating chlorosuccinic acid by cooling to 10-20 degrees C. to effect precipitation, where the acid has been prepared by reacting a suspension of aspartic acid in demineralized water containing NaCl with NaNO2 and aqueous HCl; mother liquors from previous reactions may be used as partial substitutes
07/24/2007US7247732 Method for producing optically active compound
07/24/2007US7247652 β-benzyloxyaspartate derivatives with amino group on benzene ring
07/19/2007US20070166811 Deracemisation of Amines
07/17/2007US7244860 Substituted ferrocenyldiphosphines as ligands for homogeneous hyrogeneration catalysts
07/17/2007CA2191073C Tetrahydroindeno[1,2-d][1,3,2]oxazaboroles and their use as enantioselective catalysts
07/12/2007WO2007077818A1 Asymmetric reduction method
07/12/2007US20070161804 Method of enantioselective nucleophilic addition reaction of enamide to imine and synthesis method of a-amino-y-keto acid ester
07/12/2007US20070161803 Method of asymmetrically reducing 4-[5-(imidazol-1-yl)-2-methylbenzoyl]-3,5- dimethylbenzoic acid or ester thereof
07/12/2007DE102006000839A1 Preparation of optically active 3-phenylpropionic acid derivatives, used for preparing halo-phenyl compounds, comprises hydrogenating cis-isomer mixture of phenyl compound, crystallizing enantiomer mixture and isolating solid material
07/12/2007CA2634074A1 Asymmetric reduction method
07/11/2007EP1806336A1 Titanium compound and method for producing optically active cyanohydrins
07/11/2007EP1806335A1 Method for producing phenylethanolamine compound and intermediate thereof
07/11/2007EP1389174B1 Preparation and use of diols
07/11/2007CN1995045A Transition metal catalysts
07/11/2007CN1995037A Preparation method of chiral proton pump inhibitor
07/11/2007CN1325465C High purity (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, preparation and the me
07/10/2007CA2370823C Metal catalysts and methods for making and using same
07/05/2007WO2007074686A1 Method for producing optically active n-(3-halo-2-hydroxypropyl)phthalimide
07/05/2007WO2007074553A1 CATALYST CAPABLE OF ALLOWING STRECKER REACTION TO PROCEED STEREOSELECTIVELY AND METHOD FOR STEREOSELECTIVELY PRODUCING α-AMINONITRILE DERIVATIVE USING THE SAME
07/05/2007US20070155971 Chiral diphosphorus compounds and their transition metal complexes
07/04/2007EP1263735B1 Acid addition salts of imidazolidinones as reaction catalysts
07/04/2007CN1990499A Further syntheses of cyproterone acetate
07/03/2007US7238829 Process for the preparation of naproxene nitroxyalkylesters
06/2007
06/28/2007US20070149831 1,2-di(4-N,N-dimethylaminophenyl)ethylene-1,2-diamine catalyst complex for asymmetric synthesis; for producing an optically active alcohol using the catalyst to asymmetrically reduce a ketone
06/27/2007EP1801224A1 Process for producing optically active 2-substituent-oxy-3-(4-substituent-oxyphenyl)­propionic acid derivative
06/27/2007EP1506155B1 Continuous process for the enantioselective catalytic hydrogenation of beta-ketoesters
06/27/2007CN1986516A Process for preparing enantiomerically enriched 2-alkoxy-3-phenylpropionic acids
06/27/2007CN1323057C Process for the preparation of (1S,4R) or (1R,4S)-1-amino-4-(methylol)-2-cyclopentene and its derivatives or its salts
06/26/2007US7235696 can be prepared in an efficient manner and their electronic and steric properties are variable to a wide degree starting from readily available reactants; exhibit good performance in asymmetric syntheses
06/21/2007US20070142662 Process for the preparation of 7-amino syn 3,5-dihydroxy heptanoic acid derivatives via 6-cyano syn 3,5-dihydroxy hexanoic acid derivatives
06/21/2007US20070142658 Production method for aminophosphonic acid derivatives
06/21/2007US20070142648 Hydrogenation method for producing optically active alcohols or carboxylic acids
06/21/2007US20070142443 Asymmetric reductive amination of keto acid derivatives for producing amino acid derivatives
06/21/2007US20070142400 Enantjomers of 1-[(4-chlorophenyl)phenylmethyl]-4-[(4-methylphenyl) sulfonyl] piperazine
06/21/2007US20070142387 Process for producing folic acid derivatives
06/21/2007US20070142381 Calcium receptor modulating agents
06/20/2007EP1797028A1 Stereoselective method for preparing a chiral fluorinated molecule
06/19/2007US7232927 Preparation of mono-N-sulphonylated diamines
06/14/2007WO2007066828A1 Process for producing optically active 4-amino-3-substituted phenylbutanoic acid
06/14/2007US20070135648 Decarboxylation/hydroxylation without the release of carbon monoxide by using a mixed-oxide, supported, hydrogenation catalyst based on rhenium oxide with an absense of ruthenium and, in some cases, platinum and palladium; autoclaving malic acid to obtain hydroxybutyrolactone and 1,2,4-butanetriol
06/13/2007EP1606320B1 Crosslinked three-dimensional polymer network, method for preparing same, support material comprising same and uses thereof
06/12/2007US7230135 Locates chirality closer to the metal center than known metal phospholane complexes; provides high enantiomeric excesses
06/12/2007US7230028 Dimeric compounds and their use as anti-viral agents
06/12/2007US7230018 Substituted propane-1,3-diamine derivatives and the pharmaceutical use thereof
06/12/2007US7229981 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
06/06/2007CN1974010A Catalyst for asymmetric (transfer) hydrogenation
06/06/2007CN1319941C Preparation of mono-N-sulfonicacid diamine
05/2007
05/31/2007US20070123733 Bisphosphines as bidentate ligands
05/31/2007US20070123719 Synthesis of cannabinoids
05/31/2007US20070123706 Method for producing 3-amidinophenylalanine derivatives
05/31/2007US20070123545 (1R,4S) or (1S,4R)-1-Amino-4-(hydroxymethyl)-2-cyclopentene D- or L-hydrogen tartrate intermediates
05/30/2007EP1499577B1 2-(2,6-dichlorophenyl)-diarylimidazoles
1 ... 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 ... 63