Patents
Sitemap › C07 - Organic chemistry › C07B - General methods of organic chemistry; Apparatus therefor › C07B 53 - Asymmetric syntheses
Patents for C07B 53 - Asymmetric syntheses (6,231)
01/2008
01/03/2008CA2656260A1 Diphosphine ligands
01/02/2008EP1873160A1 Process for production of optically active -hydroxyphosphonic acids and derivatives thereof, optically active aluminum(salalen) complexes and process for production of the complexes, and process for production of salalen ligands
01/02/2008EP1438280B1 Novel norbornane and norbornene derivatives, use thereof and perfumed products containing same.
01/02/2008CN101098878A Monophosphine compound, transition metal complex thereof and method for producing optically active compound by using the same complex as asymmetric catalyst
01/02/2008CN100358909C Bidentate C, P chiral phosphine ligands
01/01/2008US7314955 Crystalline form "C"; amidating D-phenylalanine methyl ester hydrocholoride with trans-4-isopropylcyclohexane carboxylic acid in a halogenated hydrocarbon; hydrolyzing to form free acid
01/01/2008US7314943 2,5-disubstitution; enyne metathesis cyclization preparation; aroma substances or intermediates
01/01/2008US7314940 For therapy and prophylaxis of neurodegenerative disorders related to apoptosis and/or inflammation
01/01/2008US7314879 N-Acylpiperazine derivatives for obesity, diabetes, and erectile dysfunction treatment; sexual disorders
01/01/2008US7314844 Process for the cyanation aldehydes
12/2007
12/26/2007EP1870403A1 Optically active quaternary ammonium salt having axial asymmetry and process for producing -amino acid and derivative thereof with the same
12/26/2007EP1556390A4 Functionalized ionic liquids, and methods of use thereof
12/26/2007EP1187835B1 Optically active quinoline carboxylic acid derivatives having 7-pyrrolidine substitutes causing optical activity and a process for preparing thereof
12/26/2007CN101092401A Stereoselective alkylation of chiral 2-methyl-4-protected piperazines
12/26/2007CN101092342A Chemical process for the preparation of intermediates to obtain n-formyl hydroxy-lamine compounds
12/26/2007CN100357255C Method for producing L-phenylephrine hydrochloride
12/21/2007WO2007145203A1 Optically active 2-amino-1-(4-fluorophenyl)ethanol
12/20/2007US20070293691 Complex of ruthenium, rhodium or, iridium; an achiral trialkyl- or triarylphosphine; and a chiral fused 1,3,2-dioxaphosphacycloheptane in which the P is alkyl-, aryl-, alkoxy, aryloxy- or amino-substituted, e.g., (2,6-dimethyl-3,5-dioxa-4-phosphacyclohepta[2,1-a; 3,4-a']dinaphthalen-4-yl)piperidine
12/19/2007EP1867654A1 Process for production of optically active quinuclidinol
12/19/2007CN101090904A Enantioselective phosphoramidite compounds and catalysts
12/19/2007CN101090770A Process for transition metal-catalyzed asymmetric hydrogenation of acrylic acid derivatives, and a novel catalyst system for asymmetric transition metal catalysis
12/19/2007CN100355753C Tropan derivatives useful in therapy, method for obtaining thereof and intermediate compounds
12/18/2007CA2418479C Prodrugs of betulinic acid derivatives for the treatment of cancer
12/13/2007DE102006027089A1 Verfahren zur Herstellung von fluorierten Molekülen A process for the preparation of fluorinated molecules
12/12/2007EP1864989A1 Method for producing l-2-amino-4-(hydroxymethylphosphinyl)- butanoic acid
12/12/2007CN100354249C Process for preparing optically active nitro compounds and cyano compounds
12/11/2007US7307185 Process for producing optically active fluorochemical
12/11/2007US7307037 Metallic catalysts for chemo-, regio- and stereoselective reactions, and corresponding precursors
12/11/2007CA2546165C Preparation of arthropodicidal oxadiazines
12/06/2007WO2007138928A1 Process for production of optically active 3-amino-2 -hydroxypropionic cyclopropylamide derivatives and salts thereof
12/06/2007US20070281919 Aminothiazole Derivatives And Their Use As CRF Receptor Ligands
12/06/2007DE102006026329A1 Verfahren zur Herstellung von enantiomerenangereicherten Hydroxylaminderivaten A process for the preparation of enantiomerically enriched hydroxylamine
12/05/2007EP1862465A1 Method of producing 3-hydroxybutyraldehyde derivative
12/05/2007EP1862446A2 Method for manufacturing enantiomer-enriched hydroxylamine derivatives
11/2007
11/29/2007US20070276143 Method for producing optically active compound
11/29/2007US20070276142 Catalytic Asymmetric Synthesis of Optically Active Alpha-Halo-Carbonyl Compounds
11/28/2007CN101080399A Process for producing optically active epoxy compound, complex for use in the process, and process for producing the same
11/21/2007EP1856008A1 Process for preparing enantiopure e-(2s)-alkyl-5-halopent-4-enoic acids and esters
11/21/2007CN101074207A Soluble chiral diamino derivative, its production and use
11/21/2007CN101073781A 4-dimethy-pyridine organic molecular-catalyst containing dinaphthalene chiral functional based and its production
11/21/2007CN101073780A Phase-transferring catalyst containing dinaphthalene chiral double-spiral quaternary ammonium and its production
11/15/2007US20070265472 Asymmetric Reaction Catalyst and Method for Preparing Optically Active Compound Using the Same
11/15/2007US20070265451 Process for the preparation of oxazolidinones and method of use thereof
11/14/2007EP1854802A1 Catalyst for asymmetric synthesis, ligand for use therein, and process for producing optically active compound through asymmetric synthesis reaction using them
11/14/2007EP1854796A1 Optically active ammonium salt compound, production intermediate thereof and method for producing same
11/14/2007EP1854779A1 Optically active ppar-activating compound intermediate and method for producing same
11/14/2007EP1758913B1 Ruthenium complexes of phosphine-aminophosphine ligands
11/13/2007US7294718 Synthesis of a 4-methylthiazole-4(S)-carboxylic acid compound
11/13/2007US7294601 Phosphines, transition metal complexes containing the same as the ligand, and process for production of optically active carboxylic acids
11/08/2007WO2007126046A1 Process for production of camptothecin derivative
11/08/2007US20070259776 Preparation of Mono-N-sulphonylated diamines
11/08/2007US20070259774 Enantioselective Phosphoramidite Compounds and Catalysts
11/08/2007CA2649676A1 Process for production of camptothecin derivative
11/07/2007EP1852412A1 Process for production of optically active hydroxymethylated compounds and catalyst therefor
11/07/2007CN101066967A Synthesis process of dibenzo dioxy octanone compound
11/06/2007US7291752 Production method of β-amino acid
11/06/2007US7291739 Chiral catalysts for asymmetric acylation and related transformations
11/06/2007CA2183368C Racemization-free dehalogenation of halo-substituted arylalkylamines
10/2007
10/31/2007EP1849778A1 Process for producing optically active epoxy compound, complex for use in the process, and process for producing the same
10/31/2007EP1745056A4 Enantioselective phosphoramidite compounds and catalysts
10/31/2007EP1437361B1 Method of producing 17beta-(substituted)-3-oxo-delta 1,2-4-azasteroids
10/31/2007CN101065344A Method for the production of menthol
10/25/2007WO2007119580A1 Process for production of carboxylic acid chloride compound
10/24/2007EP1287006B1 Antitumoral compounds
10/23/2007US7285676 Synthesis of chiral 2-alkyl amino acids
10/23/2007US7285670 4,5-Dihydro-2-(2,4-dihydroxyphenyl)-4-methyl-thiazole-4(S)-carboxylic acid by coupling a mono- or polyalkoxybenzonitrile with a cysteine ester and alkylating the thiazoline ring at the 4-carbon position; preferably a phase transfer agent such as N-9-anthracenylmethylcinchonidinium chloride is used
10/18/2007WO2007116081A1 Ferrocenediphosphines
10/18/2007WO2007098741A3 Organic salts and method for producing chiral organic compounds
10/18/2007CA2649206A1 Ferrocenediphosphines
10/17/2007EP1844061A1 Metallocene-based phosphorus chiral phosphines
10/17/2007CN100343240C Stereoselective alkylation of chiral 2-methyl-4-protected piperazines
10/16/2007US7282510 neurotrophic N-glyoxyl-prolyl ester compounds e.g. (2S)-1-(3,3-dimethyl-1,2-dioxopentyl)-2-pyrrolidine carboxylic acid; non-immunosuppressive; side effect reduction; neurodegenerative diseases
10/16/2007CA2352204C Enantioselective alkylation of tricyclic compounds
10/11/2007US20070238783 Beta-benzyloxyaspartate derivatives with amino group on benzene ring
10/10/2007CN101052612A Stereoselective preparation method for chiral fluorination molecule
10/04/2007WO2007111024A1 Process for production of ethylenediamine derivative having halogenated carbamate group and acyl group, and intermediated for production of the derivative
10/03/2007EP1840116A1 Process for producing optically active beta-hydroxy-alpha-aminocarboxylic acid derivative
10/03/2007CN101048417A Process for producing penam compound
10/02/2007CA2353375C Process for producing optically active alcohol
09/2007
09/27/2007US20070225528 Process for Producing Optically Active Alcohol
09/27/2007US20070225519 transforming optically active sec-alcohol into an activated compound with a leaving group; alkyating malonic acid in ether or ester solvents; added cosolvent is not hexamethyl phosphoric acid triamide; decarboxylation; 3-methylhexanoic acid; industrial scale; stereoselective inversion; no racemization
09/27/2007US20070225490 Cationic Oligomer of a Saccharide for Resolving Enantiomers and Asymmetric Synthesis
09/27/2007US20070225359 Dimeric compounds and their use as anti-viral agents
09/27/2007US20070225157 reacting N-dimethylmethylene glycine-t-butyl ester with 2-(bromomethyl) benzene in presence of an alkali treated solid support such as clay mineral and an inorganic oxide (SiO2 ro Al2O3 ) supporting an asymmetrical catalyst (e.g. quinuclidine compound) to produce alkylated glycine imine ester
09/26/2007CN101041637A Chirality amine protonic acid salt containing imidazole sulfur ether structure and preparation method and usage thereof
09/20/2007WO2007105773A1 Process for production of indene derivative, and intermediate for production of the derivative
09/20/2007WO2007105729A1 Process for production of cyclopropylamide compound
09/20/2007WO2007104690A1 Asymmetric catalytic hydrogenation of prochiral ketones and aldehydes
09/20/2007US20070219389 Process for Production of Cyclopentenenitrile Derivatives
09/20/2007CA2645107A1 Asymmetric catalytic hydrogenation of prochiral ketones and aldehydes
09/19/2007CN101040053A Process for production of optically active (S)- or (R)- beta-amino acids and optically active (R)- or (S)-beta -amino acid esters, 2-alkoxyethyl esters of -amino acids, and optically acitve (S)- or (R
09/19/2007CN101039898A Titanium compound and process for producing optically active cyanohydrins
09/19/2007CN101039891A Method for producing optically active alcohol
09/19/2007CN101037402A Preparation method of R-5-(2-Aminopropyl)-2-methoxybenzenesulfonyl with high optically active purity
09/19/2007CN100337751C Hydroxylation of beta-dicarbonyls with zirconium catalysts
09/12/2007EP1830958A1 Process for transition metal-catalyzed asymmetric hydrogenation of acrylic acid derivatives, and a novel catalyst system for asymmetric transition metal catalysis
09/11/2007US7268250 Process for producing optically active compound
09/11/2007US7268239 Process for the preparation of prostaglandins and analogues thereof
09/11/2007US7268129 Fluorinated benzothiadiazine compounds
09/07/2007WO2007099843A1 α,β-UNSATURATED CYCLOHEXANONE DERIVATIVE, PROCESS FOR PRODUCING THE SAME, AND PROCESS FOR PRODUCING INTERMEDIATE THEREFOR
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