| Patents for C07B 53 - Asymmetric syntheses (6,231) |
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| 03/17/2005 | US20050059842 Reacting diamine with sulfonyl halide of water, solvent and base; sulfonamidation, salt formation; hydrogenation catalysts; metallization |
| 03/16/2005 | EP1341799B1 P-chirale bisphospholane ligands, their transition metal complexes |
| 03/10/2005 | WO2005021562A2 Phospinite-imidazolines and metal complexes thereof |
| 03/10/2005 | US20050054877 Enantiomerically selective cyclopropanation |
| 03/10/2005 | US20050054713 3-Substituted oxindole beta3 agonists |
| 03/10/2005 | US20050054641 Propanolaminomethyltetralines, their preparation and pharmaceutical composition comprising same |
| 03/10/2005 | CA2536869A1 Phospinite-imidazolines and metal complexes thereof |
| 03/09/2005 | EP1512678A1 Process for preparing optically active nitro compounds and cyano compounds |
| 03/09/2005 | EP1511565A2 Catalyst and process for the cyanation of aldehydes |
| 03/09/2005 | EP1436304B1 Novel disphospines, their complexes with transition metals and their use in asymmetric synthesis |
| 03/09/2005 | CN1590363A Crystallized pravastatin sodium salt and its preparing process |
| 03/08/2005 | US6864374 Synthesis of r(+)α-lipoic acid |
| 03/08/2005 | US6863637 Wall mounting structure for dual cavity toroidal continuously variable transmission and method of assembling the dual cavity toroidal continuously variable transmission with the wall mounting structure |
| 03/08/2005 | CA2164685C Method for producing an alcohol |
| 03/02/2005 | EP1509538A1 6,11 bicyclic erythromycin derivatives |
| 03/02/2005 | EP1509506A1 Pyridazine derivatives |
| 03/02/2005 | EP1509497A1 Calcium receptor modulating arylalkylamines |
| 03/02/2005 | EP1509216A1 Active ingredient salts and esters of 1-dimethylamino-3-(3-methoxy-phenyl)-2-methyl-pentan-3-ol and 3-(3-dimethylamino-1-ethyl-1-hydroxy-2-methyl-propyl)-phenol |
| 03/02/2005 | EP1151130B1 Coenzyme useful for the synthesis of l-carnitine |
| 03/02/2005 | CN1191232C Aminomethylcarboxylic acid derivatives |
| 03/01/2005 | US6861532 Synthesis of 2-alkylcysteine |
| 02/24/2005 | WO2005016866A2 Process for producing optically actiive beta-amino acid derivatives |
| 02/24/2005 | WO2005016331A1 Therapeutic agent for neuropathic pain containing n-(benzoyl)amino acid derivative as active ingredient |
| 02/24/2005 | US20050043556 2,2'-Bis(triphenylphosphino)biphenyls complexed with a transition metal-diamine complex; highly active and selective hydrogenation catalysts for the hydrogenation of ketones and imines to alcohols and amines, respectively, used as drug intermediates often required in single isomer form; very low loading |
| 02/24/2005 | US20050043399 Dimeric compounds and their use as anti-viral agents |
| 02/23/2005 | EP1508565A1 Process for the preparation of optically active aminoalcohols |
| 02/23/2005 | EP1507783A1 Hydroxy diphosphines and their use in catalysis |
| 02/23/2005 | CN1585767A Dimeric compounds and their use as anti-viral agents |
| 02/23/2005 | CN1190427C Method for preparing pyrimidine derivative |
| 02/17/2005 | US20050038267 Pyran derivatives containing an exocyclic double bond |
| 02/17/2005 | US20050038255 Stereoselective preparation of cyclic l-amino acids |
| 02/17/2005 | DE102004022891A1 Novel pyran compounds having exocyclic double bonds are useful as components in liquid crystalline media, preferably in optoelectronic displays |
| 02/16/2005 | EP1506162A2 Synthesis of benzonitriles and benzimidates |
| 02/16/2005 | EP1506161A1 Continuous process for the cyanation of hydrogenated beta-ketoesters |
| 02/16/2005 | EP1506155A1 Continuous process for the enantioselective catalytic hydrogenation of beta-ketoesters |
| 02/16/2005 | EP1506148A1 Process for the preparation of enantiomerically enriched compounds |
| 02/16/2005 | CN1189569C Method for producing optically active 1-amino-4-hydroxymethyl-cyclopent-2-ene derivatives |
| 02/15/2005 | US6855849 Non-C2-symmetric bisphosphine ligands as catalysts for asymmetric hydrogenation |
| 02/15/2005 | US6855830 Synthesis of UDP-glucose: N-acylsphingosine glucosyltransferase inhibitors |
| 02/15/2005 | US6855718 7-(r)-aminotriazolopyrimidines, the production thereof and use of the same for combatting phytopathogenic fungi |
| 02/15/2005 | US6855657 Ortho substituted chiral phosphines and phosphinites and their use in asymmetric catalytic reactions |
| 02/10/2005 | WO2005012209A2 Catalyzed enantioselective transformation of alkenes |
| 02/10/2005 | US20050033086 Chemical intermediates for statins |
| 02/09/2005 | EP1503979A1 Process for hydrogenating unactivated imines using ruthenium complexes as catalysts |
| 02/08/2005 | US6852871 Complexing with copper hydroxide in solvent toluene; use as a catalyst for reacting propene or 2,5-dimethyl-2,4-hexadiene to form cyclopropanecatboxylic acid ester, cyclization |
| 02/08/2005 | CA2310302C Method of producing an optically active .beta.-hydroxy sulfonic acid compound by catalytic asymmetric hydrogenation |
| 02/03/2005 | US20050027102 Preparing biopolymer matrices that are selective for a particular compound; molecular imprinting |
| 02/03/2005 | US20050026785 Novel phenyl-propargylether derivatives |
| 02/02/2005 | EP1501859A1 17a-FLUOROALKYL-11BETA-BENZALDOXIME-STEROIDS, METHOD FOR THE PRODUCTION THEREOF, PHARMACEUTICAL PREPARATIONS CONTAINING SAID STEROIDS AND THE USE THEREOF IN THE PRODUCTION OF MEDICAMENTS |
| 02/02/2005 | EP1501858A2 Further syntheses of cyproterone acetate |
| 02/02/2005 | EP1501780A1 Process for the enantioselective synthesis of propargyl alcohol derivatives of r configuration from the racemic mixtures thereof |
| 01/27/2005 | WO2005007622A2 OPTICALLY ACTIVE QUATERNARY AMMONIUM SALT, PROCESS FOR PRODUCING THE SAME, AND PROCESS FOR PRODUCING OPTICALLY ACTIVE α-AMINO ACID DERIVATIVE WITH THE SAME |
| 01/27/2005 | US20050020849 via non-racemic cinchona-alkaloid-type catalyst (quinidine) for addition of nucleophile |
| 01/26/2005 | EP1499625A1 Ferrocenyl ligands and method for the production of such ligands |
| 01/26/2005 | EP1499586A1 Novel form of n-(trans-4-isopropylcyclohexylcarbonyl)-d-phenylalanine |
| 01/26/2005 | EP1499577A1 2-(2,6-dichlorophenyl)-diarylimidazoles |
| 01/26/2005 | EP1180095A4 4-cyano-3-hydroxy butanoyl hydrazines, derivatives and process for the preparation thereof |
| 01/26/2005 | CN1571764A Novel norbornane and norbornene derivatives, use thereof and perfumed products containing same |
| 01/26/2005 | CN1186318C Novel benzenesulphonamide compound, its prepn. process and medicinal compsns. contg. them |
| 01/25/2005 | US6846958 Synthesis of benzimidate from benzoic acid |
| 01/20/2005 | US20050014959 Method for the production of dihydroxycarboxylate esters |
| 01/19/2005 | EP1497272A2 Method of preparing amine stereoisomers |
| 01/19/2005 | EP1497267A2 Method for the production of chiral imidazolidin-2-ones |
| 01/19/2005 | EP1497245A1 PROCESS FOR THE PREPARATION OF NONRACEMIC SYN-1-(4-HYDROXY-PHENYL)-2-(4-HYDROXY-4-PHENYL.PIPERIDIN-1Yl)-1-PROPANOL COMPOUNDS |
| 01/19/2005 | CN1568304A Process for the preparation of enantiomerically-enriched cyclopropylalanine derivatives |
| 01/19/2005 | CN1185223C Novel Compounds and methods for synthesis and therapy |
| 01/18/2005 | US6844462 Biphenydiols |
| 01/18/2005 | US6844449 Modifications of the trometamol salt of R-thioctic acid as well as a process for their production |
| 01/18/2005 | US6844448 Main-group metal-based asymmetric catalysts and applications thereof |
| 01/13/2005 | US20050010049 Metal catalysts and methods for making and using same |
| 01/13/2005 | US20050009872 Synthesis of UDP-glucose: N-acylsphingosine glucosyltransferase inhibitors |
| 01/12/2005 | EP1496045A2 Process of preparing tolterodine and analogues thereof as well as intermediates prepared in the process |
| 01/12/2005 | EP1495806A1 Practical chiral zirconium catalyst |
| 01/12/2005 | EP1494994A2 Aminated compounds bearing at least an allyl and a difluoromethyl and method used for synthesis thereof |
| 01/12/2005 | CN1564824A Ligands for asymmetric reactions |
| 01/12/2005 | CN1184180C (+)-and(-)-2-cyclic dodecyl propanol and (+)-and(-)-2-cyclic dodecyl propionic acid and its preparing method and use |
| 01/11/2005 | US6841691 Process for the preparation of enantiomerically enriched esters and alcohols |
| 01/11/2005 | US6841667 Nucleophilic kinetic resolution of cyclic substrates using silyl azides |
| 01/11/2005 | US6841638 Ionic compounds with delocalized anionic charge, and their use as ion conducting components or as catalysts |
| 01/06/2005 | WO2005000792A1 Process for producing n-acylated amino acid derivative |
| 01/06/2005 | US20050004378 woody or amber odor; hydrogentation, reduction; cosmetic and care products |
| 01/06/2005 | US20050004208 Different solubilities and/or dissolution rates and flow properties. |
| 01/06/2005 | US20050003500 Producing optically active vicinal diols via reacting (2S,3S)-2,3-butanediol dehydrogenase, microorganism, 2,3-butanedione and (2S,3S)-2,3-butanediol in presence of reduced nicotinamide adenine dinucleotides; for use as raw material in flavors and pharmeceuticals |
| 01/06/2005 | US20050000529 Method and compositions for imparting cooling effect to tobacco products |
| 01/05/2005 | EP1493742A1 Amine and amide derivatives as ligands for the neuropeptide Y Y5 receptor useful in the treatment of obesity and other disorders |
| 01/05/2005 | EP1492764A2 New process |
| 01/05/2005 | DE10326916A1 Verfahren zur Reduktion von Ketocarbonsäureestern A process for the reduction of ketocarboxylic esters |
| 01/05/2005 | CN1561341A 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 |
| 01/05/2005 | CN1561337A Stereospecific process for the synthesis of 2-yl chroman derivatives |
| 01/04/2005 | CA2242015C New chromene derivatives, the procedure for preparing them and the pharmaceutical compounds that contain them |
| 01/04/2005 | CA2147155C Amide derivatives |
| 12/30/2004 | US20040266744 useful as intermediates in the preparation of steroids having medicinal properties |
| 12/30/2004 | US20040265267 Hyaluronic acids, dextrans, dextran sulfate, keratan sulfate, heparins, heparin sulfate and alginates; for separation/purification of mineral mixtures |
| 12/30/2004 | DE10327109A1 Novel intermediates and dichloro-biarylbisphosphines are useful as ligands for transition metal complex catalysts used in the production of enantiomer-enriched compounds |
| 12/29/2004 | EP1491548A1 Process for the reduction of ketocarbonic acid esters |
| 12/29/2004 | EP1490379A1 Bisphosphines as bidentate ligands |
| 12/29/2004 | EP1490346A2 Stereoselective alkylation of chiral 2-methyl-4-protected piperazines |
| 12/29/2004 | EP1490173A2 Metalorganic catalysts for chemo-, regio- and stereoselective reactions, and corresponding precursors |
| 12/29/2004 | CN1558908A Novel diphosphines, their complexes with transisition metals and their use in asymmetric synthesis |
| 12/29/2004 | CN1182102C Method for hydrolyzing optically active amides |