Patents for C07B 53 - Asymmetric syntheses (6,231)
07/2001
07/26/2001CA2397644A1 Acid addition salts of imidazolidinones as reaction catalysts
07/25/2001EP1117627A1 Transfer hydrogenation process
07/24/2001CA2332088A1 Polymeric diphosphine ligands for homogeneously soluble hydrogenation catalysts, process for the production therof and use
07/24/2001CA2331993A1 Molecular weight-enlarged ligands for asymmetric, homogeneously soluble hydrogenation catalysts, process for the production thereof and use
07/24/2001CA2331872A1 Use of molecular weight-enlarged catalysts in a process for asymmetric, continuous hydrogenation, novel molecular weight-enlarged ligands and catalysts
07/18/2001EP1115741A2 Stereoselective process for enalapril
07/18/2001EP1115680A1 Allylic substitution reactions
07/17/2001US6262278 Reacting water and mixture of stereoisomers of chiral cyclic substrate in the presence of non-racemic chiral catalyst to produce by kinetic resolution stereoisomerically enriched cyclic substrate or stereoisomerically enriched hydrolyzate
07/12/2001WO2001049650A1 Novel esters derived from (rr,ss)-2-hydroxybenzoate of 3-(2-dimethylaminomethyl-1-hydroxycyclohexyl)phenyl
07/12/2001WO2001049649A1 Process of preparing tolterodine and analogues there of as well as intermediates prepared in the process
07/12/2001CA2395976A1 Novel esters derived from (rr,ss)-2-hydroxybenzoate of 3-(2-dimethylaminomethyl-1-hydroxycyclohexyl)phenyl
07/12/2001CA2392832A1 Process of preparing tolterodine and analogues there of as well as intermediates prepared in the process
07/11/2001EP1114022A1 Process for producing stereoselective nitro compounds
07/11/2001EP0821679B1 Asymmetric epoxides, their synthesis and use
07/10/2001US6258975 Process for producing optically active 2-hydroxy-4-arylbutyric acid or its ester
07/10/2001US6258967 Reacting zinc halide with orgaometallic compounds
07/05/2001WO2001047940A1 Benzophenone glycopyranosides, preparation and therapeutic use
07/05/2001CA2395561A1 Benzophenone glycopyranosides, preparation and therapeutic use
07/04/2001EP1112999A2 Phosphine reduction of azides to amines
07/04/2001EP1112240A1 The addition of oxygen nucleophiles to vinyl epoxides
07/04/2001EP0748326B1 Optically active diphosphines and method for preparing same by resolution of the racemic mixture
07/03/2001US6255493 Transition metal-catalyzed reactions based on chiral amine oxazolinyl ligands
06/2001
06/28/2001WO2001046131A1 Method for making 24(s)-hydroxyvitamin d¿2?
06/28/2001WO2001046098A1 1,2-bis(methyl(1,1,3,3-tetramethylbutyl)-phosphino)ethane, process for the preparation thereof, transition metal complexes containing the same as the ligand and uses thereof
06/28/2001WO2001045484A2 An improved process for preparing simvastatin
06/28/2001WO2000068181A3 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
06/28/2001DE10063410A1 New optically active dioxabicyclo-octen-2-one derivatives, useful as intermediates, e.g. for prostaglandins, and their intermediates
06/28/2001CA2438477A1 An improved process for preparing simvastatin
06/28/2001CA2394624A1 Method for making 24(s)-hydroxyvitamin d2
06/27/2001EP1109819A1 Ferrocene-based diphosphonites for asymmetrical catalysis
06/27/2001EP1109777A1 N-hydroxyacylamino compounds, process for their preparation and pharmaceutical compositions containing them
06/27/2001EP0855935B1 Chiral solid catalyst, its preparation and its use for the production of substantially enantiomerically pure products
06/27/2001CN1301267A Production of optically active phospholanes
06/27/2001CN1067681C Asymmetric synthesis of (S)-(+)-N,N-dimethyl-3-(1-naphthyloxyradical)-3-(2-thienyl) propylamine
06/26/2001US6251642 Enzymatically converting amylopectin to alpha-(1,4)-linked oligosaccharide, oxidizing basic anion exchange resin to (s)-3,4-dihydroxybutyric acid, esterifying with alcohol and acid catalyst, then cyclizing with acid catalyst
06/21/2001WO2000009483A3 Process and intermediates for production of donepezil and related compounds
06/20/2001EP1107936A1 Copper-catalysed enantioselective allylic substitution reactions
06/19/2001US6248889 Process for converting an alcohol to the corresponding fluoride
06/14/2001WO2001042190A1 Method for the stereoselective synthesis of cyclic amino acids
06/14/2001WO2001042173A2 Method for the preparation of enantiomerically enriched compounds
06/14/2001CA2392761A1 Method for the stereoselective synthesis of cyclic amino acids
06/13/2001EP1105400A1 Asymmetric catalysis based on chiral phospholanes
06/13/2001EP1105385A2 Water-dispersible or water-soluble d-tocotrienol compounds and methods for making therefor
06/13/2001EP1105371A2 Novel aryl sulphonamide amino acid esters and analogues
06/13/2001DE19956414A1 Verfahren zur Herstellung von chiralen Aminen durch homogen katalysierte asymmetrische Hydrierung von Enaminen A process for the preparation of chiral amines by homogeneously catalyzed asymmetric hydrogenation of enamines
06/13/2001CN1298868A Phosphine reduction method for converting azide into amide
06/07/2001WO2001040153A1 PROCESS FOR PREPARING OPTICALLY ACTIVE α-HYDROXY ACIDS AND DERIVATIVES THEREOF
06/07/2001WO2001039884A2 Chiral catalysts for asymmetric acylation and related transformations
06/07/2001CA2390815A1 Process for preparing optically active .alpha.-hydroxy acids and derivatives thereof
06/06/2001EP1104395A1 Stereoselective ring opening reactions
06/05/2001US6242386 Drugs formed by hydrolysis of camphor in the presence of metallorganic compounds and basic salts
05/2001
05/30/2001EP1103536A1 Process for the preparation of chiral amines by asymmetric hydrogenation of enamines
05/30/2001EP1102744A1 Novel method for preparing optically active alpha-aminonitriles
05/25/2001WO2001036359A1 Optically active fluorinated binaphthol derivative
05/23/2001EP1100954A1 Continuous process for preparing optically pure (s)-3,4-dihydroxybutyric acid derivatives
05/23/2001EP1100953A1 CONTINUOUS PROCESS FOR PREPARING OPTICALLY PURE ($i(S))-3-HYDROXY-GAMA-BUTYROLACTONE
05/23/2001EP1100952A1 Process for preparing optically pure (s)-3,4-dihydroxybutyric acid derivatives
05/23/2001EP1100951A1 PROCESS FOR PREPARING OPTICALLY PURE ($i(S))-3-HYDROXY-GAMA-BUTYROLACTONE
05/23/2001EP1100948A1 Process for preparing alpha-(1,4) linked oligosaccharide
05/23/2001EP1100769A1 Aminomethylcarboxylic acid derivatives
05/23/2001EP1100768A2 Process for the preparation of r-(-)-carnitine
05/22/2001US6235877 Peptido-mimetic compounds containing RGD sequence useful as integrin inhibitors
05/17/2001WO2001034612A2 Chiral phosphines, transition metal complexes thereof and uses thereof in asymmetric reactions
05/17/2001US20010001309 For treating pathologies related to altered alpha v beta 3 integrin-mediated cell attachment, in particular wherein inhibition of angiogenesis is desired, for example in tumors, also associated with metastasis
05/17/2001CA2390998A1 Chiral phosphines, transition metal complexes thereof and uses thereof in asymmetric reactions
05/09/2001EP1097116A1 Asymmetric metathesis reactions involving achiral and meso substrates
05/08/2001US6229042 Intermediates for the synthesis of enantiomerically pure alpha-lipoic acid; said hydrogenation includes presence of ruthenium-phosphine complex
05/03/2001WO2001001569A3 Process for preparing (-)-(1s,4r) n-protected 4-amino-2-cyclopentene-1-carboxylate esters
05/02/2001EP1095946A1 Optically active diphosphine compound, production intermediates therefor, transition metal complex containing the compound as ligand and asymmetric hydrogenation catalyst containing the complex
05/02/2001EP1095012A1 Novel salts of n-tert-butylhydroxylamine
05/02/2001CN1293646A Method for separating diphosphine diastereiosomers
05/01/2001US6225341 For inhibiting neuraminidase; for therapy and prophylaxis of virus infection
04/2001
04/26/2001WO2001028990A2 Methods of asymmetrically synthesizing enantiomers of casodex, its derivatives and intermediates thereof
04/26/2001CA2387570A1 Methods of asymmetrically synthesizing enantiomers of casodex, its derivatives and intermediates thereof
04/24/2001US6222072 Racting imine with hydride reagent in presence of optically active metal compound, wherein hydride reagent is a metal hydride, reagent that undergoes metal exchange, metal trialkoxy hydride complex or metal(tricarboxylic acid)hydride
04/24/2001US6222039 Reacting lactone compound containing nitrogen heterocycle with cyclic amine; oxidizing to form carboxylic acid group; introducing hydroxylamine group at hydroxyl of carboxylic acid group
04/24/2001US6221639 Process for preparing optically pure(S)-3,4-dihydroxybutyric acid derivatives
04/24/2001CA2025458C Iridium complexes, process for their preparation and their use
04/19/2001WO2000073274A3 Substituted phenylcyclohexane carboxylic acid amides and their use as adenosine uptake inhibitors
04/18/2001EP1091953A1 Novel benzothiepines having activity as inhibitors of ileal bile acid transport and taurocholate uptake
04/17/2001US6218585 Maintaining borohydride concentration before reduction with borane-tetrahydrofuran complex
04/17/2001US6218575 Process for preparing adrenaline
04/12/2001WO2001025486A1 Methods for identifying rna binding compounds
04/12/2001WO2001025215A2 Method for selectively dissociating cyclic carboxylic acid anhydrides
04/12/2001WO2001025188A1 Novel carbamates and ureas
04/12/2001WO2001025183A1 Process for preparing carboxylic esters of optically active 1-perfluoroalkylated alcohols, optically active 1-perfluoroalkylated alcohols and process for the preparation thereof
04/12/2001DE19947953A1 Verfahren zur selektiven Spaltung cyclischer Carbonsäureanhydride Process for the selective cleavage of cyclic anhydrides
04/12/2001CA2386540A1 Novel carbamates and ureas
04/12/2001CA2386239A1 Methods for identifying rna binding compounds
04/05/2001WO2001023088A1 Catalyst for asymmetric transfer hydrogenation
04/05/2001DE19947505A1 Verfahren zur Herstellung organischer Verbindungen im Membranreaktor Process for the preparation of organic compounds in the membrane reactor
04/05/2001DE19945737A1 Verfahren zur Hydrierung von organischen Verbindungen enthaltend mindestens eine CC-Doppelbindung A process for the hydrogenation of organic compounds containing at least one CC double bond
04/04/2001EP1088587A2 Process for the production of organic compounds in a membrane reactor
04/03/2001US6211370 Asymmetric cycloaddition reactions
03/2001
03/29/2001WO2001021625A1 Chiral phosphines, transition metal complexes thereof and uses thereof in asymmetric reactions
03/29/2001WO2001021559A1 Method for hydrogenating organic compounds containing at least one c-c double bond
03/27/2001US6207868 Based on chiral bidentate phosphine ligands with cyclic ring structures to restrict conformational flexibility, asymmetric synthesis of alcohols by enantioselective hydrogenation of ketones catalyzed by the chiral ligands
03/22/2001WO2001019833A1 Thienoisoxazolyl- and thienylpyrrazolyl-phenoxy substituted propyl derivatives useful as d4 antagonists
03/22/2001WO2001019787A1 OPTICALLY ACTIVE α-AMINONITRILE AND PROCESS FOR PRODUCING α-AMINO ACID
03/22/2001WO2001019761A2 Asymmetric 1,4-reductions of and 1,4-additions to enoates and related systems
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