Patents for C07B 53 - Asymmetric syntheses (6,231)
10/2004
10/26/2004US6809059 Lanthanum and naphthol containing complex for performing a michael addition reaction between a beta -dicarbonyl compound with a cyclic or acyclic enone
10/26/2004US6808603 Radiating with polarized light to excite starting material; concentrating enantiomorphs or diastereomers; photochemically reversible
10/21/2004WO2004089920A2 Amine-substituted diphenyldiphosphines and the use thereof in metal complexes for asymmetric syntheses
10/21/2004US20040210064 Production method of beta-amino acid
10/21/2004CA2521635A1 Amine-substituted diphenyldiphosphines and the use thereof in metal complexes for asymmetric syntheses
10/20/2004EP1469004A1 Method for preparing aminophosphines and aminophosphine oxides, intermediates therefor
10/20/2004EP1468979A1 Process for preparing S-(-)-chlorosuccinic acid
10/20/2004EP1468978A1 Process for producing (1S,6R)-2,2,6-trimethylcyclohexyl methyl ketone and/or (1R,6S)-2,2,6-trimethylcyclohexyl methyl ketone
10/20/2004EP1467984A2 Synthesis of 4,5-dihydro-pyrazolo (3,4-c) pyrid-2-ones
10/20/2004EP1467983A1 Method for producing thioctic acid
10/20/2004EP1467723A1 Phenyl sulfoxides and phenyl sulfones
10/20/2004EP1282611B1 Substituted phenylacetamides and their use as glucokinase activators
10/20/2004EP1149074B1 Acetylenic sulfonamide thiol tace inhibitors
10/20/2004CN1538954A Protected 3,5-dihydroxy-2, 2-dimethyl-valeronitriles for synthesis of epothilones and derivatives and method for preparaton and use thereof
10/20/2004CN1537935A 培养物 Culture
10/19/2004US6806384 Production method of β-amino-α-hydroxycarboxylic acid
10/19/2004US6806378 Catalyst system and a process for the preparation of a nonracemic chiral alcohol by hydrogenation of a ketone using the catalyst system, wherein the catalyst system comprises ruthenium, a nonracemic chiral diphosphine ligand, an
10/14/2004WO2004087661A1 Process for the enantioselective production of an amino acid derivative comprising at least one nitrogenous heterocycle
10/14/2004US20040204610 Catalysts
10/14/2004US20040204606 Batch processing; washing of catalyst between batches
10/14/2004US20040204594 S-(+)-4-Methoxy-6-phenethyl-5,6-dihydro-pyran-2-one; plant extracts for nutraceutical foods, topical ointments
10/13/2004EP1466911A2 Preparation of benzothiepines having activity as inhibitors of ileal bile acid transport and taurocholate uptake
10/13/2004EP1466168A2 Ammonium ionophore
10/13/2004EP1465726A1 Process for preparing nonracemic chiral alcohols
10/13/2004EP1430031A4 Kinetic resolution of a intermediate useful in the production of benazepril and analogues thereof
10/13/2004EP1381615B1 ANTIDEPRESSANT INDOLETETRAHYDROPYRIDINE DERIVATIVES OF 2,3-DIHYDRO-7H- [1,4]DIOXINO[2,3-e]INDOLE
10/13/2004CN1537109A Novel modifications of aminobutantriol salt of r-thioctic acid and method for producing the same
10/13/2004CN1537103A Kinetic resolution of intermediater body for preparing benazepril and its analogues
10/13/2004CN1537088A Transfer hydrogenation process and catalyst
10/12/2004US6803484 Sulfonamide derivatives
10/07/2004WO2004085485A1 Crosslinked three-dimensional polymer network, method for preparing same, support material comprising same and uses thereof
10/07/2004WO2004085344A2 Production of oxy-michael adducts
10/05/2004US6800769 Chemical intermediates
10/05/2004US6800766 Catalyzing the decyclization of racemic and diastereomeric epoxides mixtures in the presence of a non-racemic, chiral catalyst; pharmaceutical synthesis
10/05/2004US6800764 Process for the synthesis of chirally pure beta-amino-alcohols
10/05/2004US6800742 Method for producing β-D-ribofuranose derivatives or optical isomers thereof
09/2004
09/29/2004EP1461332A2 Production of chirally pure alpha-amino acids and n-sulfonyl alpha-amino acids
09/29/2004EP1461309A1 Process for preparing 2-(substituted phenyl) - 2 - hydroxy-ethyl carbamates
09/29/2004EP1461306A1 Quaternary ammonium compounds and their use as antimuscarinic agents
09/29/2004EP1461303A2 PROCESS FOR THE SYNTHESIS OF CHIRALLY PURE b-AMINO-ALCOHOLS
09/29/2004EP1144367B1 Alpha-substitution of unprotected beta-amino ester compounds
09/29/2004EP1071676A4 Kinetic resolution of olefins
09/29/2004CN1533385A Process for preparation of prostaglandins and analogues thereof
09/23/2004US20040186313 via diethyl-3-methoxyacetoxyglutaric acid as intermediate; deblocking, deprotecting; Friedel-Crafts acylation; hydroxymethylglutaryl coenzyme a reductase inhibitors; anticholesterol agents
09/22/2004EP1458731A1 Chiral ligands for asymmetric catalysis
09/22/2004EP1458667A1 Method for the production of dihydroxycarboxylate esters
09/22/2004CN1530362A Preparation of acid by alpha-chlorination of epoxy resin
09/22/2004CN1530360A Preparation of acid by alpha-chlorination of epoxy resin
09/22/2004CN1167703C Azabicyclic carbamates and their use as alpha-7 nicotinic acetyl choline receptor agonists
09/22/2004CN1167692C Aminothiazole derivatives and their use as CRF receptor ligands
09/21/2004US6794544 Method for the preparation of tetrahydrobenzothiepines
09/21/2004US6794542 Method for the preparation of enantiomerically enriched compounds
09/21/2004US6794532 Hydrogenation of prochiral ketones
09/21/2004US6794525 Optically active chiral diphosphine ligands
09/21/2004US6794515 Synthesis of 2-alkylcysteine via substituted thiazoline amide
09/21/2004US6794328 Diphosphine compound, production intermediate thereof, transition metal complex containing the compound as ligand and asymmetric hydrogenation catalyst containing the complex
09/16/2004WO2004078686A1 Process for producing optically active alcohol in the presence of rhodium, a chiral ferrocenyldiphosphine and an optically active diamine
09/16/2004WO2003091207A3 Method of preparing amine stereoisomers
09/15/2004EP1455609A2 Method and compositions for imparting cooling effect to tobacco products
09/15/2004EP1224161B1 Nitroxy derivatives of (r) and (s)-carnitine
09/15/2004CN1529756A Steroselective preparation of cyclic L-amino acids
09/15/2004CN1166782C Continuous process for preparing optically pure (S)-3,4-dihydroxybutyric acid derivatives
09/15/2004CN1166781C Continous process for preparing optically pure (S)-3-hydroxy-gamma-butyrolactone
09/14/2004US6790973 Reduction of ketone to alcohol using complex catalyst
09/14/2004US6790852 Heterocyclic nitrogen compounds such as 2-(2,6-dichlorophenyl) -4-(3-bromophenyl)-5-(2-(3- hydroxypropylamino)pyrimidin-4-yl) -n-h-imidazole, used as tyrosine kinase inhibitors; anticarcinogenic or antitumor agents
09/10/2004WO2004076404A1 Processes for the production of optically active compounds having substituents at the 2-position
09/10/2004WO2004076391A1 Process for producing optically active compound
09/09/2004US20040176645 Process for stereoselective synthesis of prostacyclin derivatives
09/09/2004US20040176618 high stereoselectivity; mannitol and tartaric acid starting materials, hydrogenation of ketones, imines, and olefins; 1,2((2,2',5,5'-tetramethyl, 3,3',4,4'-tetrahydroxy) bisphospholane)benzene.
09/09/2004US20040176616 Synthesis of enantiomorph complexes and ligands
09/08/2004EP1453797A1 Process for the preparation of an enantiomerically enriched thio compound
09/08/2004EP1453796A2 Propanolaminomethyltetralines, their preparation and pharmaceutical composition comprising same
09/08/2004CN1165526C Substituted phenyl cyclohexane carboxylic acid amides and their use as adenosine uptake inhibitors
09/07/2004US6787676 Reacting a carbonyl compound with hydrogen in the presence of a catalyst, a base and optionally a diamine, where the catalyst is a support-bonded ruthenium(ii) complex bisphosphine ligand and a diamine ligand
09/07/2004US6787655 Transition-metal-catalyzed asymmetric 1,4-addition of a nucleophile, e.g., hydride, to cyclic and acyclic enoates and enones and the catalyst containing a copper and an asymmetric bidentate bisphosphine ligand
09/02/2004US20040171883 Process for the cis-selective catalytic hydrogenation of cyclohexylidenamines
09/02/2004US20040171862 Method for producing optically active cyanohydrins and their corresponding acids
09/02/2004US20040171841 Complexes; used for catalyst
09/02/2004US20040171662 Biaryl-type compounds, CD color fixing agent and method for determination of absolute configuration
09/02/2004US20040171628 Benzo [g] quinoline derivatives for treating glaucoma and myopia
09/01/2004EP1452604A2 Coenzyme useful for the synthesis of L-Carnitine
09/01/2004EP1452523A2 Method of producing optically active sulfimide compounds
09/01/2004EP1451184A1 Dimeric compounds and their use as anti-viral agents
09/01/2004EP1451148A2 2,w-diaminocarboxylic acid compounds
09/01/2004EP1451133A2 P-chiral phospholanes and phosphocyclic compounds and their use in asymmetric catalytic reactions
09/01/2004EP1347984B1 A process for the preparation of taxan derivatives
09/01/2004CN1525969A Benzo [g] quinoline derivatives for treating glaucoma and myopia
09/01/2004CN1525881A Microencapsulated catalyst, methods of preparation and methods of use thereof
08/2004
08/26/2004US20040167339 For use in asymmetric hydrogenation, hydride transfer, hydrosilylation, hydroboration, hydrovinylation, hydroformylation, hydrocarboxylation, isomerization, allylic alkylation, cyclopropanation, Diels-Alder reaction, Heck reaction, isomerization
08/25/2004EP1449831A1 Method of producing optically active aziridine compounds and amine compounds
08/25/2004EP1252327B1 Method for the enzymatic resolution of the racemates of aminomethyl-aryl-cyclohexanol derivatives
08/25/2004CN1163472C Novel method for preparing chiral amino acid
08/24/2004US6781006 Active catalysts for stereoselective ring-opening reactions
08/24/2004US6780861 Azabicyclic carbamates and their use as α-7 nicotinic acetylcholine receptor agonists
08/24/2004US6780812 Chiral lead catalyst and method of asymmetric aldol reaction
08/19/2004US20040162362 Acidity and dissociation; stability, for doping polymers, as electrolytes in batteries
08/19/2004US20040162280 Reacting racemic (+-)-10,11-dihydro-10-hydroxy-5H-dibenz/b,f/azepine-5-carboxamide with (2R,3R)-di-O,O'-substituted-tartaric acid anhydride; precipitation of less soluble diastereoisomeric 10-O-di-O,O'-substituted-tartrate half-ester; hydrolysis
08/18/2004EP1284975B1 Ammonium compounds bearing an electrophilic fluorine, reagent containing same, method using same and synthesis method for obtaining them
08/18/2004EP1030854B1 Catalysts for asymmetric synthesis containing rigid chiral ligands
08/17/2004US6777580 Treating 1-(3,5- bis(trifluoromethyl)phenyl)ethan-1-one with bis((pentamethylcyclopentadienyl)rhodium chloride) and (s,r)-cis-1-amino-2-hydroxy-indane in the presence of isopropanol
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