| Patents for C07B 53 - Asymmetric syntheses (6,231) |
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| 07/19/2006 | CN1264819C Process for stereo selective synthesis of prostacyclin derivatives |
| 07/18/2006 | US7078568 A benzyldihydrophosphine derivatives; hydrogenation catalyst has chemical and enantiomorph selectivity; high catalytic activity, asymmetric synthetic reactions |
| 07/18/2006 | US7078534 Activation the corresponding keto ester; reacting with cysteamine; hydrogenation; crystallization in solvent |
| 07/13/2006 | DE102004063443A1 Verfahren zur Herstellung von optisch aktiven cyclischen Aminen A process for preparing optically active cyclic amines |
| 07/13/2006 | DE102004060626A1 Monoheteroatomsubstituierte Nitroalkane und ein Verfahren zu deren Herstellung Mono heteroatom-substituted nitroalkanes and a method for their preparation |
| 07/11/2006 | US7074960 using a zeolite-immobilized Lewis acid e.g. copper catalyst for perform carbonyl-ene and iminoene reactions; catalyst can be separated from the reaction mixture and re-used |
| 07/06/2006 | WO2006069798A1 Process for the preparation of chiral amines |
| 07/06/2006 | WO2006069617A1 Process for transition metal-catalyzed asymmetric hydrogenation of acrylic acid derivatives, and a novel catalyst system for asymmetric transition metal catalysis |
| 07/06/2006 | DE102004062640A1 Preparation of 2-aryl substituted beta-amino acid derivative comprises reacting 3,3-dimethoxy-1-nitro-propene with arylboronic acid in the presence of rhodium(I) salt in mixture from organic solvents and aqueous buffers and converting |
| 07/06/2006 | CA2586527A1 Process for transition metal-catalyzed asymmetric hydrogenation of acrylic acid derivatives, and a novel catalyst system for asymmetric transition metal catalysis |
| 07/05/2006 | EP1676635A2 Immobilisable ligands derived from ethylenediamine |
| 07/05/2006 | CN1798609A Optically active copper catalyst complex |
| 07/04/2006 | US7071195 Especially amino- or amido-ethyltetralin derivatives |
| 06/29/2006 | US20060142586 Synthesis of 2-alkyl amino acids |
| 06/28/2006 | EP1674445A1 Process for producing optically active cyclopropane compound and asymmetric copper complex for use in the same |
| 06/28/2006 | EP1492764B1 Process |
| 06/28/2006 | EP1254159B9 Process for the preparation of acetyl-amidiniophenylalanyl-cyclohexylglycyl-pyridylalaninamides |
| 06/27/2006 | US7067640 pure polymer beads of a chiral support polymerised and cross-linked, preferably into a three-dimensional glycosidic network or obtained as a chiral compound attached to a support via a covalent bond, then polymerised and cross-linked, preferably into a three-dimensional glycosidic network; chromatography |
| 06/27/2006 | CA2408909C Azabicyclo[3.2.1]octane triazolyl tropane derivatives as ccrs5 modulators |
| 06/22/2006 | US20060135538 7-(R)-aminotriazolopyrimidines, their preparation and their use for controlling phytopathogenic fungi |
| 06/22/2006 | US20060135355 Nitrogen-containing ligands |
| 06/21/2006 | EP1131278B8 Process for production of esters |
| 06/21/2006 | CN1791607A Chiral ligands and their transition metal complexes |
| 06/21/2006 | CN1260344C Culture |
| 06/15/2006 | US20060128633 Colchinol derivatives as vascular damaging agents |
| 06/14/2006 | EP1341759B1 3-substituted oxindole beta 3 agonists |
| 06/14/2006 | EP1187798B1 PRODUCTION OF OPTICALLY ACTIVE $g(a)-HYDROXYACETALS |
| 06/14/2006 | CN1259306C Process for the preparation of aminoalcohol, aminoalcohol derivatives and their further conversion to (1S, 4R)-4-(2-AMINO - 6-CHLORO - 9- H - PURINE - 9-YL)-2- CYCLOPENTENYL-1-METHANOL or its salt |
| 06/13/2006 | US7060840 Using a chiral, non-racemic tertiary amine catalyst,e.g., one containing a 1-azabicyclo(2.2.2)octane moiety or a 1,4-diazabicyclo(2.2.2)octane moiety. |
| 06/08/2006 | US20060122407 Process for the preparation of dioxane acetic acid esters |
| 06/07/2006 | EP1666482A1 Process for producing penicillanic acid compound |
| 06/06/2006 | US7057064 Continuous process for the enantioselective catalytic hydrogenation of β-ketoesters |
| 06/06/2006 | US7057061 Chiral monophosphorus compounds |
| 06/06/2006 | US7057045 oxidation with potassium permanganate to cleave oxazolidinedione ring in methanol solvent, and reacting with potassium t-butoxide in dimethylformamide to deblock; testosterone-5 alpha -reductase inhibitors, for treatment of hyperandrogenic disorders |
| 06/06/2006 | US7057038 Kinetic resolutions of chiral 2- and 3-substituted carboxylic acids |
| 06/01/2006 | WO2006056435A1 Method for the production of menthol |
| 06/01/2006 | US20060116521 Method for the production of optically active 2-amino 2-chloro, 2 hydroxy or 2-alkoxy-1-alcohols |
| 06/01/2006 | DE102004057277A1 Verfahren zur Herstellung von Menthol A process for preparing menthol |
| 05/31/2006 | EP1661621A1 Asymmetric fluorous catalytic systems with recovery of catalyst ligand by solid phase extraction |
| 05/31/2006 | CN1780810A Asymmetric-synthesis catalyst based on chiral broensted acid and method of asymmetric synthesis with the catalyst |
| 05/30/2006 | US7053236 Catalytic asymmetric desymmetrization of prochiral and meso compounds |
| 05/26/2006 | WO2006054644A1 Method for producing optically active alcohol |
| 05/24/2006 | EP1658298A2 Novel organic compounds and metal complexes |
| 05/18/2006 | US20060106247 Catalytic hydrogenation of carbon-heteroatom double bonds |
| 05/17/2006 | EP1657243A1 Procedure for the production of amino alcohols |
| 05/17/2006 | EP1656342A2 Process for producing optically active beta-amino acid derivatives |
| 05/17/2006 | EP1237847B1 Method for the stereoselective synthesis of cyclic amino acids |
| 05/17/2006 | EP1141373B1 Method for the enantioselective and regioselective reduction of 3,5-dioxocarboxylic acids, their salts and their esters |
| 05/16/2006 | US7045625 Asymmetric process for the preparation of diarylethylpiperazines derivatives and novel asymmetric diarylmethylamines as intermediates |
| 05/11/2006 | WO2006048546A1 Use of an aromatic carboxylic acid in an asymmetric catalysis reaction |
| 05/10/2006 | EP1334109B1 Improved synthesis of purine locked nucleic acid analogues |
| 05/10/2006 | EP1283898B1 Process for the preparation of enantiomerically enriched esters and alcohols |
| 05/10/2006 | EP1254159B1 Process for the preparation of acetyl-amidiniophenylalanyl-cyclohexylglycyl-pyridylalaninamides |
| 05/10/2006 | CN1769266A Process for preparing biphenyl compounds |
| 05/10/2006 | CN1255375C Industrial process for production of L-carnitine |
| 05/04/2006 | WO2006046539A1 Process for producing penam compound |
| 05/04/2006 | WO2006046508A1 Ruthenium complex and process for producing tert-alkyl alcohol therewith |
| 05/03/2006 | EP1214328B1 Chiral phosphines, transition metal complexes thereof and uses thereof in asymmetric reactions |
| 05/03/2006 | CN1768046A Amine-substituted diphenyldiphosphines and its application in asymmetric synthetic metal complex |
| 05/02/2006 | US7038087 Process for the production of optically active amino alcohols |
| 05/02/2006 | US7038073 Synthesis of 2-alkyl amino acids |
| 04/27/2006 | WO2006043577A1 Method for producing phenylethanolamine compound and intermediate thereof |
| 04/27/2006 | US20060089469 Hydroxy diphosphines and their use in catalysis |
| 04/27/2006 | DE102004052040A1 Liganden zur asymmetrischen Hydroformylierung Ligands for asymmetric hydroformylation |
| 04/26/2006 | EP1650212A2 Optically active quaternary ammonium salt, process for producing the same, and process for producing optically active alpha-amino acid derivative with the same |
| 04/26/2006 | CN1764622A Process for producing 2-(l-menthoxy)ethanol compound |
| 04/25/2006 | US7034165 Protected 3,-5-dihydroxy-2,2-dimethyl-valeronitriles for the synthesis of epothilones and epothilone derivatives and process for the production |
| 04/20/2006 | WO2006041000A1 Titanium compound and method for producing optically active cyanohydrins |
| 04/20/2006 | DE102004049631A1 Verfahren zur Herstellung optisch aktiver Carbonylverbindungen A process for preparing optically active carbonyl compounds |
| 04/19/2006 | CN1252048C Process for the preparation of an enantiomerically enriched thio compound |
| 04/18/2006 | US7030280 reacting a fluoral equivalent with a carbonyl compound in the presence of an optically active amino acid or a derivative thereof; intermediate for medicaments and agricultural chemicals |
| 04/18/2006 | US7030251 Modifications of the trometamol salt of R-thioctic acid as well as a process for their production |
| 04/13/2006 | WO2006038698A1 PROCESS FOR PRODUCTION OF OPTICALLY ACTIVE (S)- OR (R)-β-AMINO ACIDS AND OPTICALLY ACTIVE (R)- OR (S)-β-AMINO ACID ESTERS, 2-ALKOXYETHYL ESTERS OF β-AMINO ACIDS, AND OPTICALLY ACITVE (S)- OR (R)-2-ALKOXYETHYL ESTERS OF β-AMINO ACIDS |
| 04/13/2006 | WO2006037887A1 Stereoselective method for preparing a chiral fluorinated molecule |
| 04/13/2006 | US20060079719 Aminated compounds bearing at least an allyl and a difluoromethyl and method used for synthesis thereof |
| 04/13/2006 | CA2583322A1 Processes for preparing optically active (s or r)-b-amino acid and optically active (r or s)-b-amino acid ester, and b-amino acid 2-alkoxyethyl ester and optically active (s or r)-b-amino acid 2-alkoxyethyl ester |
| 04/13/2006 | CA2581534A1 Stereoselective method for preparing a chiral fluorinated molecule |
| 04/12/2006 | EP1307427B1 Process for the cyanation of aldehydes |
| 04/12/2006 | CN1759097A Chemical process for the preparation of intermediates to obtain N-formyl hydroxylamine compounds |
| 04/11/2006 | US7026144 Process for preparing (-) menthol and similar compounds |
| 04/06/2006 | US20060074238 Asymmetric process for the preparation of diarylethylpiperazines derivatives and novel asymmetric diarylmethylamines as intermediates |
| 04/05/2006 | EP1642884A1 Process for producing optically active 1-alkyl-substituted 2,2,2-trifluoroethylamine |
| 04/05/2006 | EP1537071B1 Method for the production of optically active 2-amino-,2-chloro-,2-hydroxy- or 2-alkoxy-1-alcohols |
| 04/05/2006 | EP1467983B1 Method for producing thioctic acid |
| 04/05/2006 | EP1334105B1 Process for the preparation of crystalline n-formimidoyl thienamycin monohydrate (imipenem monohydrate) |
| 04/04/2006 | US7022876 Preparation of mandelic acid derivatives |
| 04/04/2006 | US7022869 Methods of asymmetrically synthesizing enantiomers of casodex, its derivatives and intermediates thereof |
| 04/04/2006 | US7022825 Polyketides and antibiotics |
| 04/04/2006 | US7022259 include cyclic group chain structures similar to the liquid crystal to serve as the core structure, and multi-ring structures of natural alcohol with optical activity, such as alcoholates of terpenol, borneol, cinchonidine, quinine, or their derivatives; have a high helical twisting power |
| 03/30/2006 | US20060069265 Reacting cysteine (or a salt or an ester) and an aryl carboxylic acid to form a thiazoline ring; stereospecifically alkylating the thiazoline ring, and hydrolyzing the thiazoline ring to obtain a 2-alkylcysteine; chelation |
| 03/28/2006 | US7019161 Processes for the preparation of 3-aminocarboxylic acids and their esters |
| 03/28/2006 | US7019137 Alkylation of 2,3-dihydro-1,4-benzodioxin-5-amine in chlorobenzene using trifluoromethanesulfonic acid salts of N,N-bis(2-chloroethyl)-alanine methyl ester, to form serotonin receptor antagonists; nervous system disorders |
| 03/23/2006 | WO2005058917A3 New oxazoline ligands for asymmetric catalysis |
| 03/22/2006 | EP1637518A2 Inhibitors of aspartyl protease |
| 03/22/2006 | EP1636243A2 Chiral ligands for application in asymmetric syntheses |
| 03/22/2006 | EP1387846B1 Catalyst for enantioselective reduction of ketones |
| 03/21/2006 | US7015342 Enantiomerically enriched bidentate organophosphorus ferrocenyl ligands which are particularly useful for enantioselective hydrogenation |
| 03/21/2006 | US7015320 Process for the manufacture of optically active 3-substituted lactams by asymmetric hydrogenation of 3-alkylidenelactams |
| 03/16/2006 | DE102004037700A1 Preparation of enantiomerically pure 2-hydroxypropanoic acids and oxetan-2-ones, useful as pharmaceutical intermediates, by treating a racemic oxetane with lipase and water or alcohol |
| 03/16/2006 | DE102004035808A1 Ammoniumsalze und Ammoniumsalz-Mineralsalzchlatrate als Transport- und Wirkform für pharmazeutische-medizinische und als Phasentransfermittel für chemische Anwendungen Ammonium salts and ammonium salt Mineralsalzchlatrate as transport and active form for pharmaceutical and medical-phase transfer agent for chemical applications |