| Patents for C07B 53 - Asymmetric syntheses (6,231) |
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| 01/30/2007 | US7169953 For use as catalysts in asymmetric reactions, such as, hydrogenation, hydride transfer, allylic alkylation, hydrosilylation, hydroboration, hydrovinylation, hydroformylation, olefin metathesis, hydrocarboxylation |
| 01/30/2007 | US7169938 Synthesis including (S)-3-Hydroxy-3-(2-thiophen-yl)-N-methylpropionamide, and (R)-3- hydroxy-3-(2-thiophen-yl)-N-methylpropionamide; intermediates to drugs such as fluoxetine |
| 01/30/2007 | US7168937 Method for the enzymatic resolution of the racemates of aminomethyl-aryl-cyclohexanol derivatives |
| 01/30/2007 | CA2165043C Process for the preparation of the enantiomers of 2-(2-fluoro-4-biphenyl)propionic acid |
| 01/24/2007 | EP1745787A2 Non-calcemic, antiproliferative, transcriptionally active sulfur-containing analogs of 1-alpha 25-dihydroxy Vitamin D3 |
| 01/24/2007 | EP1745056A2 Enantioselective phosphoramidite compounds and catalysts |
| 01/24/2007 | EP1590317B1 ENANTIOMER-PURE (4S,8S)- AND (4R, 8R)-4-P-NITROBENZYL-8-METHYL-3, 6, 9-TRIAZA- SP 3 /sp N, SP 6 /SP N, SP 9 /SP N-TRICARBOXYMETHYL-1, 11-UNDECANOIC ACID AND DERIVATIVES THEREOF, METHOD FOR PRODUCING THEM, AND THEIR USE FOR PRODUCING PHARMACEUTICAL AGENTS |
| 01/23/2007 | US7166754 Methods and compositions for enantioselective oxidation reactions |
| 01/23/2007 | CA2333192C Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-2h-pyran-2-one |
| 01/18/2007 | WO2007007646A1 Homogeneous asymmetric hydrogenation catalyst |
| 01/17/2007 | EP1567535B1 Bidentate c,p chiral phosphine ligands |
| 01/17/2007 | EP1401575B1 Hydroxylation of beta-dicarbonyls with zirconium catalysts |
| 01/17/2007 | CN1295217C New asymmetric diaryl-methylamine intermediates for the preparation of diarylmethylpiperazines derivatives |
| 01/16/2007 | US7164026 Excellent as a ligand to be used in asymmetric synthesis reactions |
| 01/11/2007 | WO2007004639A1 PROCESS FOR PRODUCTION OF OPTICALLY ACTIVE ERYTHRO-β-AMINO ALCOHOL |
| 01/11/2007 | WO2007004442A1 Process for production of substituted cyclopentanone |
| 01/11/2007 | US20070010695 Diphosphines, preparation and uses thereof |
| 01/11/2007 | US20070010493 Phospinite-imidazolines and metal complexes thereof |
| 01/10/2007 | EP1741693A1 Process for production of optically active alcohols |
| 01/10/2007 | EP1534699A4 Kinetic resolution method |
| 01/10/2007 | EP1203616B1 Chiral lead catalyst and method of asymmetric aldol reaction |
| 01/09/2007 | US7161047 Process for preparing secondary alcohol |
| 01/09/2007 | US7161002 Compounds as antiinflammartory agents, antiproliferation agents and and anticancer agents from cyclodehydration of compounds |
| 01/09/2007 | CA2200490C Racemisation and asymmetric transformation processes used in the manufacture of levobupivacaine and analogues thereof |
| 01/04/2007 | WO2007001015A1 Process for production of optically active aminopentane derivative, intermediate in the process and process for production of the intermediate |
| 01/04/2007 | US20070004927 Chiral ligands for application in asymmetric syntheses |
| 01/04/2007 | CA2612290A1 Process for preparing optically active aminopentane derivative, intermediate and process for preparing intermediate |
| 01/03/2007 | EP1737820A1 Asymmetric hydrogenation process useful for the preparation of cycloalkanoindole derivatives |
| 01/03/2007 | EP1419008B1 Process for performing an imino-ene reaction |
| 01/03/2007 | CN1293071C Benzo [g] quinoline derivatives for treating glaucoma and myopia |
| 01/03/2007 | CN1293026C Process for perparation of (R)-2-alkyl-3-phenyl-1-propanols |
| 01/02/2007 | US7157498 Diamines having a CaSR modulating activity |
| 01/02/2007 | CA2231093C Process for the preparation of enantiomerically pure 3-hydroxyoctanedioic acid diesters by asymmetric catalytic hydrogenation |
| 12/28/2006 | WO2006137195A1 Sulfonate catalyst and process for producing alcohol compound with the same |
| 12/28/2006 | US20060293536 via non-racemic cinchona-alkaloid-type catalyst (quinidine) for addition of nucleophile |
| 12/27/2006 | EP1507783B1 Hydroxy diphosphines and their use in catalysis |
| 12/27/2006 | EP1385826B1 Method for preparation of (s)-(+)- and (r)-(-)-10,11-dihydro-10-hydroxy-5h-dibenz/b,f/azepine-5-carboxamide |
| 12/26/2006 | US7153971 Contacting a carbohydrate with an amine to produce amino tetrahydroxy carbohydrate, protecting two hydroxy groups of tetrahydroxy carbohydrate, forming hydroxy heterocyclic-spiro moiety by reacting with activated carbonate, oxidizing OH |
| 12/26/2006 | US7153960 Synthesis of 4,5-dihydro-pyrazolo[3,4-c]pyrid-2-ones |
| 12/26/2006 | US7153809 For use as catalysts in asymmetric reactions, such as, hydrogenation, hydride transfer, allylic alkylation, hydrosilylation, hydroboration, hydrovinylation, hydroformylation, olefin metathesis, hydrocarboxylation |
| 12/21/2006 | US20060287549 Catalytic asymmetric desymmetrization of prochiral and meso compounds |
| 12/21/2006 | US20060287539 Chemical intermediates for production of sibutramine |
| 12/20/2006 | EP1734044A1 Process for producing folic acid derivative |
| 12/20/2006 | EP1515962B1 Process for the preaparation of dioxane acetic acid esters |
| 12/20/2006 | EP1288198B1 Process for the production of sulfonic esters |
| 12/14/2006 | WO2006132390A1 Method for producing hexahydrofurofuranol derivative |
| 12/14/2006 | US20060281950 Process for producing optically active 1-alkyl-substituted 2,2,2-trifluoroethylamine |
| 12/14/2006 | US20060281926 Synthesis of 2-alkylcysteine via phase transfer catalysis |
| 12/14/2006 | US20060281917 Dehalogenating a 6-halo- or 6,6-dihalo-carboxylic acid-protected penicillanic acid by reacting with a metal having a lower standard oxidation-reduction potential than bismuth (e.g., Al, Fe or Mg)) in the presence of bismuth metal or a bismuth compound and a reaction promoter |
| 12/13/2006 | EP1731522A1 Process for producing flavone c glycoside derivatives |
| 12/13/2006 | EP1731509A1 Process for producing nitrogenous 5-membered cyclic compound |
| 12/13/2006 | CN1289515C Catalyst for asymmetric (transfer) hydrogenation |
| 12/13/2006 | CN1289455C 2-(2,6-dichlorophenyl)-diarylimidazoles |
| 12/07/2006 | WO2006130453A1 Asymmetric aldol additions using bifunctional cinchona-alkaloid-based catalysts |
| 12/07/2006 | WO2006130437A2 Asymmetric carbon-carbon-bond-forming reactions catalyzed by bifunctional cinchona alkaloids |
| 12/07/2006 | US20060276643 Amine-substituted diphenyldiphosphines |
| 12/07/2006 | US20060276329 Performing an asymmetric Mannich reaction, hydrophosphorylation reaction, aza Diels-Alder reaction, allylation, Strecker reaction or aminoalkylation in the presence of 1,1'-binaphthyl-2,2'-diyl hydrogenphosphate compound or the 5,5',6,6',7,7',8,8'-octahydro- derivative to prepare chiral compounds |
| 12/07/2006 | DE102005025797A1 Chirale Diphosphonite als Liganden in der ruthenium-katalysierten enantioselektiven Reduktion von Ketonen, β-Ketoestern und Ketiminen Chiral diphosphonites as ligands in the ruthenium-catalyzed enantioselective reduction of ketones, β-keto esters and ketimines |
| 12/07/2006 | DE102004060626B4 Monoheteroatomsubstituierte Nitroalkane und ein Verfahren zu deren Herstellung Mono heteroatom-substituted nitroalkanes and a method for their preparation |
| 12/07/2006 | CA2610095A1 Chiral diphosphonites as ligands in the ruthenium-catalysed enantioselective reduction of ketones ~-ketoesters and ketimines |
| 12/06/2006 | EP1727620A1 C1-symmetric bisphosphine ligands and their use in the asymmetric synthesis of pregabalin |
| 12/05/2006 | CA2150382C Process for the preparation of 9-amino camptothecin |
| 11/30/2006 | WO2006126428A1 Optically active 3-methylcyclopentadecanone and method for producing intermediate thereof |
| 11/30/2006 | US20060270681 Pyridazine derivatives |
| 11/29/2006 | EP1187805B1 Process for preparing r-(-)-carnitine from s-(-)-chlorosuccinic acid or from a derivative thereof |
| 11/29/2006 | CN1869033A Modifications of the trometamol salt of R-thioctic acid as well as a process for their production |
| 11/23/2006 | WO2006123767A1 Method for producing asymmetric tetrasubstituted carbon atom-containing compound |
| 11/23/2006 | WO2006123672A1 Method for producing aminoalcohol derivative having biphenyl group |
| 11/23/2006 | CA2608451A1 Method for producing aminoalcohol derivative having biphenyl group |
| 11/22/2006 | EP1724275A1 Process for producing aminophosphonic acid derivative |
| 11/22/2006 | EP1724255A1 Process for production of cyclopentenenitrile derivatives |
| 11/22/2006 | EP1724251A1 Process for production of optically active hydroxymethylated compounds |
| 11/22/2006 | EP1724013A1 Asymmetric reaction catalyst and process for production of optically active compounds with the same |
| 11/22/2006 | CN1285571C Preparation of 2-oxethyl-3-[4-(2-{methylsulfonyloxyphen}oxethyl)phenyl] propanoic acid |
| 11/21/2006 | US7138547 Antitumoral compounds |
| 11/16/2006 | US20060257978 Deracemisation of amines |
| 11/15/2006 | EP1721885A1 Process for producing optically active fluorochemical |
| 11/15/2006 | EP1720852A1 Process for the preparation of enantiomerically pure 1-substituted-3-aminoalcohols |
| 11/14/2006 | US7135502 Colchinol derivatives as vascular damaging agents |
| 11/14/2006 | CA2250062C Method for obtaining pure enantiomers of a pyridazinone derivative |
| 11/09/2006 | US20060252934 For treatment of asthma, allergies, inflammation and anxiety; antihistamines; sedatives; tranquilizing agents |
| 11/08/2006 | EP1719764A1 Method of asymmetrically reducing 4- 5-(imidazol-1-yl)-2-met hylbenzoyl -3,5-dimethyl-benzoic acid or ester thereof |
| 11/07/2006 | US7132569 N,N-disubstituted-2,7-dialkyl-8-aryl-4-octeneamides and the intermediates: N,N-disubstituted-5-halo- or azido-2-alkyl-4-pentenamides and 2-alkyl-5-(4-aryl-2-halo- or azido-3-alkylbutylbutyrolactones that may be used to prepare them |
| 11/02/2006 | US20060247458 Process for the production of optically active compounds having substituents at the 2-position |
| 11/02/2006 | EP1717221A1 Processes for production of alpha-aminooxyketones and alpha-hydroxyketones |
| 11/02/2006 | EP1716091A1 Method for producing optically active alcohols or carboxylic acids |
| 11/02/2006 | EP1716090A1 Hydrogenation method for producing optically active alcohols or carboxylic acids |
| 11/02/2006 | EP1716088A1 Catalytic asymmetric synthesis of optically active alpha-halo-car bonyl compounds |
| 11/02/2006 | EP1578723A4 Process for the preparation of oxazolidinones and method of use thereof |
| 11/02/2006 | EP1180035B1 NON-CALCEMIC, ANTIPROLIFERATIVE, TRANSCRIPTIONALLY ACTIVE SULFUR-CONTAINING ANALOGS OF 1-alpha, 25-DIHYDROXY VITAMIN D3 |
| 10/31/2006 | US7129378 Method of preparing amine stereoisomers |
| 10/31/2006 | US7129241 Pyridazine derivatives |
| 10/26/2006 | US20060241315 Substitution of the 3, 5 and 4 positions of the phenyl radicals in the two phosphino groups leads to ligands whose metal complexes display higher catalytic activity and enantioselectivity in the hydrogenation of prochiral, ethylenically unsaturated compounds; producing pure enantiomers |
| 10/26/2006 | US20060241307 Ligands for asymmetric reactions |
| 10/25/2006 | EP1187798B8 Production of optically active alpha-hydroxyacetals |
| 10/25/2006 | EP1151987B1 Optically active fluorinated binaphthol derivative |
| 10/25/2006 | CN1852887A Process for producing optically active cyclopropane compound and asymmetric copper complex for use in the same |
| 10/25/2006 | CN1281320C Complex catalyst, process for producing the complex catalyst and process for producing alcohol derivative with the complex catalyst |
| 10/24/2006 | US7125725 Biaryl-type compounds, CD color fixing agent and method for determination of absolute configuration |
| 10/24/2006 | CA2152089C Asymmetric process for preparing florfenicol, thiamphenicol, chloramphenicol, and oxazoline intermediates |