| Patents for C07B 53 - Asymmetric syntheses (6,231) |
|---|
| 03/25/2004 | WO2003074169A3 Metalorganic catalysts for chemo-, regio- and stereoselective reactions, and corresponding precursors |
| 03/25/2004 | WO2003041728A8 Novel phenyl-propargylether derivatives |
| 03/25/2004 | CA2497811A1 Process for producing optically active erythro 3-cyclohexylserines |
| 03/24/2004 | EP1400527A1 Chiral diphosphorus compounds and transition metal complexes thereof |
| 03/24/2004 | EP1318990B1 Process for preparing optically active epoxides |
| 03/24/2004 | CN1484631A Preparation of enantiomerically pure hydroxy esters and acids |
| 03/24/2004 | CN1142922C Intermediate used in preparing oxidiazine and its manufacturing method |
| 03/18/2004 | WO2004022522A1 Method for the production of optically active 2-amino-,2-chloro-,2-hydroxy or 2-alkoxy-1-alcohols |
| 03/18/2004 | WO2003079975A3 Process for the manufacture of optically active 3-substituted lactams by asymmetric hydrogenation of 3-alkylidenelactams |
| 03/18/2004 | US20040054201 Chiral polymeric salen catalyst, and a process for preparing chiral compounds from racemic epoxides by using them |
| 03/18/2004 | US20040054167 Process for the preparation of crystalline n-formimidoyl thienamycin monohydrate (imipenem monohydrate) |
| 03/18/2004 | US20040053779 A chiral catalyst complex made by contacting an asymmetric tetradentate ligand with a Bronsted acid, a transition metal salt and an oxidant, where the acidity of the conjugate acid of the salt is =/< than the acidity of the acid; efficiency |
| 03/18/2004 | US20040053775 Combinatorial approach to chiral reagents or catalysts having amine or amino alcohol ligands |
| 03/18/2004 | US20040053401 Preparation of enantiomerically pure hydroxy esters and acids |
| 03/18/2004 | US20040053330 Amino polyols and amino sugars |
| 03/18/2004 | DE10241292A1 Verfahren zur Herstellung optisch aktiver 2-Amino-, 2-Hydroxy oder 2-Alkoxy-1-alkohole A process for preparing optically active 2-amino-, 2-hydroxy or 2-alkoxy-1-alcohols |
| 03/18/2004 | DE10240935A1 Asymmetric catalytic aryl transfer to an imine, useful for the production of optically active diarylmethylamines, comprises reaction with an aryl zinc reagent in the presence of a Lewis acid complex catalyst |
| 03/18/2004 | CA2497705A1 Method for the production of optically active 2-amino-,2-chloro-,2-hydroxy or 2-alkoxy-1-alcohols |
| 03/17/2004 | EP1398310A1 Process for the production of optically active amino alcohols |
| 03/17/2004 | EP1397370A1 B-benzyloxyaspartate derivatives with amino group on benzene ring |
| 03/17/2004 | EP1250311B1 Asymmetric synthesis of pregabalin |
| 03/17/2004 | CN1142164C Optically active quinoline carboxylic acid derivatives having 7-pyrrolidine substituent causing optical activity and process for preparing thereof |
| 03/16/2004 | US6706926 Enantioselective hydrogenation catalysts |
| 03/11/2004 | WO2004020389A1 Method for the enantioselective hydrogenation of amino alcohols |
| 03/11/2004 | WO2003106380A3 Fluorobenzamides suitable for the treatment of alzheimer's disease or senile dementia |
| 03/11/2004 | WO2003084933A3 Method for the production of chiral imidazolidin-2-ones |
| 03/11/2004 | WO2003078420A3 Process for making chiral 1,4-disubstituted piperazines |
| 03/11/2004 | US20040049067 Process for the enantioselective synthesis of propargyl alcohol derivatives of R configuration from the racemic mixtures thereof |
| 03/11/2004 | US20040049046 Small molecule inhibitors of rotamase enzyme activity |
| 03/11/2004 | US20040048834 Antitumoral compounds |
| 03/11/2004 | DE10240803A1 Verfahren zur Herstellung von Phosphiten und Übergangsmetallkomplexen A process for the production of phosphites and transition metal complexes |
| 03/11/2004 | CA2495448A1 Kinetic resolution method |
| 03/10/2004 | EP1395256A2 Prodrugs via acylation with cinnamate |
| 03/10/2004 | CN1481384A Process for prepn. of crystalline N-forminidoyl thienamycin monohydrate (imipenem monohydrate) |
| 03/04/2004 | WO2004018487A1 Chiral organosilicon hydrides |
| 03/04/2004 | WO2003045878A3 2,w-diaminocarboxylic acid compounds |
| 03/04/2004 | US20040044233 Nucleophilic kinetic resolution of cyclic substrates using silyl azides |
| 03/04/2004 | US20040044227 From 1,3,8-octanetriol |
| 03/03/2004 | EP1394168A1 Process for the preparation of phosphites and complexes with transition metals |
| 03/03/2004 | EP1392722A2 Echinocandin process |
| 03/03/2004 | EP1392656A2 Process for preparing chiral diol sulfones and dihydroxy acid hmg coa reductase inhibitors |
| 03/03/2004 | EP1284974B1 Triazolyl tropane derivatives as ccr5 modulators |
| 03/03/2004 | CN1140485C Cycloalkyl derivatives and solid-phase synthesis thereof |
| 03/02/2004 | US6700025 Process for stereoselective synthesis of prostacyclin derivatives |
| 03/02/2004 | US6700011 Process for the preparation of naproxene nitroxyalkylesters |
| 02/26/2004 | WO2002101003A3 Stereoselective preparation of cyclic l-amino acids |
| 02/26/2004 | WO2002083067A9 Prodrugs via acylation with cinnamate |
| 02/26/2004 | US20040039209 Compounds containing oxazolidinone moiety and uses thereof |
| 02/26/2004 | US20040035293 Melt point is < 100 degrees c; provides distinct selectivities and reactivities because they are made of ions rather than molecules |
| 02/25/2004 | EP1390359A1 Synthesis of cannabinoids |
| 02/25/2004 | EP1390142A2 Catalyst comprising a chiral cationic metal-ligand complex immobilised on a mesoporous alumino-silicate support, its preparation and use in asymmetric hydrogenation |
| 02/25/2004 | CN1478091A Process for preparation of taxan derivatives |
| 02/25/2004 | CN1139576C Process for preparation of optically active (R)-or (S)-1-(4-methoxy-benzyl)-8-octahydro-isoquinoline |
| 02/25/2004 | CN1139571C Process for preparing homophenylalanin derivs |
| 02/24/2004 | US6696611 Chemical methods |
| 02/24/2004 | US6696608 Transfer hydrogenation process |
| 02/24/2004 | US6696580 Steroids with a cyclohexene moiety are oxidized to the corresponding alpha, beta-unsaturated ketone that is converted to the corresponding vicinal diol using a hydroborating reagent followed by oxidative workup |
| 02/19/2004 | WO2004014551A2 Immobilised ligands derived from ethylenediamine |
| 02/19/2004 | WO2002030356A3 Synthesis of epothilones and relates analogs |
| 02/19/2004 | US20040034080 Comprises catalytic hydroformylation/hydrocarbonylation and reductive amination using a transition metal catalyst |
| 02/19/2004 | US20040033995 Nitrogen compounds, stereoisomers and/or racemic mixtures used as enzyme inhibitors for prophylaxis of inflammatory diseases |
| 02/19/2004 | CA2494777A1 Immobilised ligands derived from ethylenediamine |
| 02/18/2004 | EP1389198A2 Process for the preparation of prostaglandins and analogues thereof |
| 02/18/2004 | EP1389179A1 Stereoselective synthesis of 2-hydroxy-4-phenylbutyric acid esters |
| 02/18/2004 | EP0918781B1 Asymmetric synthesis catalyzed by transition metal complexes with cyclic chiral phosphine ligands |
| 02/17/2004 | US6693205 Process for preparing optically active epoxides |
| 02/12/2004 | WO2003099435A3 Catalyst and process for the cyanation of aldehydes |
| 02/12/2004 | WO2003097582A3 Synthesis of benzonitriles and benzimidates |
| 02/12/2004 | US20040030181 Process for stereoselectively reducing 4-aryl-4-oxobutanoic acid derivatives |
| 02/12/2004 | US20040030178 Catalytic hydrogenation of a ketoester compound |
| 02/12/2004 | US20040030164 Process for the preparation of taxan derivatives |
| 02/12/2004 | US20040030130 Methods of asymmetrically synthesizing enantiomers of casodex, its derivatives and intermediates thereof |
| 02/12/2004 | US20040029915 Optically active quinoline carboxylic acid derivatives with 7-pyrrolidine substituents causing optical activity and a process for the preparation thereof |
| 02/12/2004 | DE10136131B4 Polyaminosäure-katalysiertes Verfahren zur enantioselektiven Epoxidierung von α,β-ungesättigten Enonen und α,β-ungesättigten Sulfonen Polyamino acid-catalyzed process for the enantioselective epoxidation of α, β-unsaturated enones and α, β-unsaturated sulfones |
| 02/11/2004 | EP1388546A2 Use of ionic compounds having a delocalised anionic charge as catalyst components |
| 02/11/2004 | CN1474808A Method for producing chipal compounds |
| 02/10/2004 | US6689915 As catalysts for use in asymmetric transformation reactions to provide high enantiomeric excesses of formed compounds |
| 02/10/2004 | CA2124744C Process for the stereospecific synthesis of leukotriene b4 under its 6z, 8e and 10e, and intermediate products thereof |
| 02/05/2004 | WO2004011420A1 Process for producing optically active 6-sulfonyloxymethyl-1,3-dioxan-4-ylacetic acid derivative |
| 02/05/2004 | US20040024261 Process for preparing butanetriol derivative |
| 02/05/2004 | US20040024224 Synthesis of 2-alkyl amino acids |
| 02/05/2004 | US20040024214 Such as (R)-9-(2-(stearoyloxymethyl)-4-(L-valyloxy)butyl)-guanine for treatment of herpes and retroviral infections |
| 02/05/2004 | US20040023348 Microbiological process for enantioselective (S)-hydroxylation |
| 02/04/2004 | EP1385826A1 Method for preparation of (s)-(+)- and (r)-(-)-10,11-dihydro-10-hydroxy-5h-dibenz/b,f/azepine-5-carboxamide |
| 02/04/2004 | EP1385814A1 Enantiomerically selective cyclopropanation |
| 02/04/2004 | EP0608307B1 New ligands for asymmetric dihydroxylation: multiple cinchona alkaloid units attached to a central heterocyclic core |
| 02/04/2004 | CN1137085C Process for preparation of 5,6-dihydroxyl-2-amino-1,2,3,4-tetrahydronaphthalene derivatives |
| 02/03/2004 | US6686505 Process for producing optically active amino alcohols and intermediates therefore |
| 02/03/2004 | US6686483 Reacting an oxidizer with an olefin in presence of ketone |
| 02/03/2004 | US6686182 Alkyl esters of 3-(3,4-dihalophenyl)-2,6-dioxopiperidine-3-propionic acid of use as intermediates |
| 01/29/2004 | WO2003004157A8 Optically active catalysts containing a salen ligand and vanadium (iv), production thereof and use of the same for producing cyanohydrins |
| 01/29/2004 | US20040019239 Catalytic compositions and methods for asymmetric aldol reactions |
| 01/29/2004 | US20040019205 Cycloaliphatic/aromatic diphosphines and use thereof in catalysis |
| 01/29/2004 | US20040019083 Amino acid derivatives; antineoplastic agents |
| 01/28/2004 | EP1384707A1 4-Nitroxybutylester of naproxene |
| 01/28/2004 | EP1218388B1 Electronically tuned ligands |
| 01/27/2004 | US6683208 For use in preparation of optically active carboxylic acids and/or derivatives |
| 01/27/2004 | US6683206 Stereoselective addition to benzaldehydes; regioselective elimination to form 3-r-2-r3-propenic acid esters; hydrolysis; hydrogenation using ruthenium, rhodium or iridium catalyst |
| 01/27/2004 | US6683190 Contacting racemic hydantoin with enantiomeric splitting agent; decyclization |
| 01/27/2004 | CA2213007C Stereoselective ring opening reactions |