| Patents for C07B 53 - Asymmetric syntheses (6,231) |
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| 04/01/2003 | CA2405623A1 Chiral monophosphorus compounds |
| 03/27/2003 | WO2003024981A2 Method for the production of optically-active compounds containing hydroxy groups |
| 03/27/2003 | WO2002098854A3 Process for preparing chiral diol sulfones and dihydroxy acid hmg coa reductase inhibitors |
| 03/27/2003 | US20030060656 Contacting organic compound with: an oxidizing agent, and catalyst comprising a metal and a chiral ligand, producing an oxidized organic compound and a single enantiomer of the organic compound |
| 03/27/2003 | US20030060633 Asymmetric synthesis of kavalactones |
| 03/26/2003 | EP1294734A1 Method for the selective production of racemic metallocene complexes |
| 03/26/2003 | EP1294683A2 A process for preparing biphenyl compounds |
| 03/26/2003 | EP1200452B1 Novel chiral phosphorus ligands and the use thereof in the production of optically active products |
| 03/20/2003 | WO2003004455A3 Process for the preparation of 7-amino syn 3,5-dihydroxy heptanoic acid derivatives, intermediates thereof and methods for their preparation |
| 03/20/2003 | WO2002096898A3 Process for the preparation of prostaglandins and analogues thereof |
| 03/20/2003 | US20030055245 Kinetic resolution of a intermediate useful in the production of benazepril and analogues thereof |
| 03/19/2003 | EP1292602A1 New chiral salen catalyst and methods for the preparation of chiral compounds from racemic epoxides by using new catalyst |
| 03/19/2003 | EP1012131B1 Enantioselective reduction of ketones with a silane agent/metal compound/chiral ligand system |
| 03/18/2003 | US6534657 Chiral ferrocene phosphines and their use in asymmetric catalytic reactions |
| 03/18/2003 | US6534653 Such as methyl(1S,2R,6S,7R,9R)-4,4-dimethyl-8((S)-1-phenylethyl))-3,5-dioxa-8 -azatricyclo(5.2.1.00,0)decane-9-carboxylate |
| 03/18/2003 | US6534434 Chiral imidazolidinone-based catalyst composition and reaction system |
| 03/13/2003 | US20030050332 Modifications of the trometamol salt of R-thioctic acid as well as a process for their production |
| 03/13/2003 | US20030050299 An intermediates for enantiomeric synthesis cermamide-like inhibitors; producing antilipemic agents |
| 03/13/2003 | US20030050286 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 |
| 03/12/2003 | WO2002022569A1 Method for producing chiral compounds |
| 03/12/2003 | EP1291336A2 Preparation of optically active alpha-hydroxyethers |
| 03/12/2003 | EP1289929A1 Shortened synthesis of 3,3-diarylpropylamine derivatives |
| 03/12/2003 | EP1289655A1 Novel chiral salen catalysts, and a process for preparing chiral compounds from racemic epoxides for using them |
| 03/12/2003 | CA2422024A1 Process for the production of chiral compounds |
| 03/06/2003 | WO2003018572A1 3-(n-alkoxycarbonyl-n-methyl)amino-1-alkoxycarbonyl- oxy-(2-thienyl)propanes and process for preparing 3-(n- methylamino)-1-(2-thienyl)-propan-1-ol with the same |
| 03/06/2003 | WO2003018569A1 Process for ascorbic acids using alkaline earth silicate catalysts |
| 03/06/2003 | WO2003018191A1 Catalysts |
| 03/06/2003 | US20030045713 Diphosphines |
| 03/05/2003 | EP1288210A2 A method for producing optically active lactone compounds by using salen cobalt complexes having a CIS-Beta structure |
| 03/05/2003 | EP1287006A1 Antitumoral compounds |
| 03/05/2003 | EP1286984A2 Method for the preparation of tetrahydrobenzothiepines |
| 03/05/2003 | EP1286937A1 Chiral monophosphites as ligands for asymetrical synthesis |
| 03/05/2003 | EP1127061B1 Chiral ligands for asymmetric catalysis |
| 03/04/2003 | US6528687 Hydrogenation of an imine in the presence of a base and, a ruthenium complex of a chiral diphosphine and diamine catalyst |
| 03/04/2003 | US6528661 Providing atorvastatin ester derivative; converting the atorvastatin ester derivative to atorvastatin hemi-calcium with calcium hydroxide |
| 02/27/2003 | WO2002083713A3 Echinocandin process |
| 02/27/2003 | WO2002074050A3 Asymmetric synthesis of (s, s, r)-(-)-actinonin and its analogs and uses therefor |
| 02/27/2003 | WO2002072542A3 Ph-dependent nmda receptor antagonists |
| 02/27/2003 | WO2002069909A3 Synthesis of ketosulfone esters |
| 02/27/2003 | WO2002053517A3 Process for stereoselective synthesis of prostacyclin derivatives |
| 02/27/2003 | US20030040629 Asymmetric catalysis based on chiral phospholanes and hydroxyl phospholanes |
| 02/26/2003 | EP1284975A1 Ammonium compounds bearing an electrophilic fluorine, reagent containing same, method using same and synthesis method for obtaining them |
| 02/26/2003 | EP1284974A2 Triazolyl tropane derivatives as ccr5 modulators |
| 02/26/2003 | EP1131313B1 Enantioselective alkylation of tricyclic compounds |
| 02/25/2003 | US6525210 Binaphthyl phospholanes, chelating phosphines and ferrocene complexes thereof |
| 02/25/2003 | US6524844 Process for preparing optically active 1-amino-4-(hydroxymethyl) cyclopent-2-ene derivatives |
| 02/20/2003 | WO2003014133A1 Isoxazoline derivatives as p, n ligands |
| 02/20/2003 | WO2003014068A1 Protected 3.5-dihydroxy-2.2-dimethyl-valeronitriles for the synthesis of epothilones and derivatives and method for the production and use thereof |
| 02/20/2003 | WO2003013542A1 Asymmetric synthesis of kavalactones |
| 02/20/2003 | WO2002102707A3 Transition metal oxo, sulfido and amido complexes as catalysts of nucleophilic addition reactions |
| 02/20/2003 | WO2002092204A3 Method for activating and immobilizing cationic transition metal catalysts using ionic fluids and compressed co¿2? |
| 02/20/2003 | CA2456720A1 Asymmetric synthesis of kavalactones |
| 02/19/2003 | EP1283898A1 Process for the preparation of enantiomerically enriched esters and alcohols |
| 02/19/2003 | EP1283824A1 Preparation of enantiomerically enriched amine-functionalized compounds |
| 02/19/2003 | CN1398247A Colchinol derivatives as vascular damaging agents |
| 02/19/2003 | CN1397547A Novel benzene amine compound, its prepn. process and medicinal compsns. contg. them |
| 02/18/2003 | US6521795 Minimizing formation of enantiomer with use of catalyst comprising transition metals with chiral ligands |
| 02/18/2003 | US6521780 Cycloalkylmalonic ester derivatives as potential active substances in the drugs and crop protection; combinatorial chemistry |
| 02/18/2003 | US6521769 Chiral phosphines, transition metal complexes thereof and uses thereof in asymmetric reactions |
| 02/18/2003 | US6521561 Main-group metal based asymmetric catalysts and applications thereof |
| 02/13/2003 | WO2003011852A1 Novel modifications of the trometamol salt of r-thioctic acid and method for producing the same |
| 02/13/2003 | WO2003011799A1 Kinetic resolutions of chirat 3- and 3-substituted carboxylic acids |
| 02/13/2003 | WO2002088146A3 ANTIDEPRESSANT INDOLETETRAHYDROPYRIDINE DERIVATIVES OF 2,3-DIHYDRO-7H-[1,4]DIOXINO[2,3-e]INDOLE |
| 02/13/2003 | US20030032821 Stereoselective hydrolysis of racemic epoxides with a cationic cobalt as a center metal of chiral salen ligand and counterions having weak nucleophilic property |
| 02/13/2003 | US20030032810 Antagonists of natural killer cell-3 receptors |
| 02/12/2003 | EP1282620A1 Azabicyclic carbamates and their use as alpha-7 nicotinic acetylcholine receptor agonists |
| 02/12/2003 | EP1282611A1 Substituted phenylacetamides and their use as glucokinase activators |
| 02/12/2003 | CN1396928A Process for preparation of acetyl-amidiniophenylalanyl-cyclohexylglycyl-pyridinioalaninamides |
| 02/12/2003 | CN1396905A Asymmetric synthesis (S)-(+)-3-(aminomethyl)-5-methylhexanoic |
| 02/11/2003 | US6518048 Hydrogenation a isophthalic acid derivative |
| 02/09/2003 | CA2397150A1 Complex and method for producing epoxides by using the complex |
| 02/05/2003 | EP1280759A1 Optically active 2-aminotetralin derivatives, the processes for the preparation thereof and the therapeutical use of pharmaceutical compositions containing them |
| 02/05/2003 | EP1280753A1 Process for preparation of r-1-(aryloxy)propan-2-ol |
| 02/04/2003 | US6515188 Method for producing 3-l-menthoxypropane-1,2-diol |
| 02/04/2003 | US6515183 Chiral diphenyldiphosphines and d-8 metal complexes thereof |
| 02/04/2003 | US6515157 Ferrocenyldiphosphine-ruthenium complexes and a hydrogenation process of exocyclic double bond of d-thiophene to d-thiophane |
| 02/04/2003 | US6515156 Stereoselective, efficient catalyst for synthesis of enantiomerically pure compounds; comprising compex of transition metal and aminophosphine ligand |
| 02/04/2003 | US6515137 Enantioselectivity of alpha,beta-unsaturated aldehydes |
| 01/30/2003 | WO2003008399A1 Synthesis of udp-glucose: n-acylsphingosine glucosyltransferase inhibitors |
| 01/30/2003 | WO2002010151A2 Method for producing lipoic acid and dihydrolipoic acid |
| 01/30/2003 | CA2417842A1 Method for producing lipoic acid and dihydrolipoic acid |
| 01/29/2003 | EP1279864A2 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 |
| 01/29/2003 | EP1279671A1 Process for enantioselective epoxidation of alpha, beta-unsaturated enones and alpha, beta-unsaturated sulfones catalysed by polyamino acids |
| 01/29/2003 | EP1047660B1 Esters with musky odor and their use in perfumery |
| 01/29/2003 | CN1394198A Method of synthesizing alpha-ketol unsaturated fatty acid |
| 01/29/2003 | CN1100057C Chromene compounds, process for their preparation and pharmaceutical compositions containing them |
| 01/28/2003 | US6512143 Salts of N-tert-butylhydroxylamine |
| 01/27/2003 | CA2394619A1 Polyamino acid-catalysed process for the enantioselective epoxidation of.alpha.,.beta.-unsaturated enones and .alpha.,.beta.-unsaturated sulphones |
| 01/24/2003 | WO2002010113A1 Method for producing enantiomer-free 6,8 dihydroxy octanoic acid esters by means of asymmetric, catalytic hydrogenation |
| 01/24/2003 | CA2417269A1 Method for producing enantiomer-free 6,8 dihydroxy octanoic acid esters by means of asymmetric, catalytic hydrogenation |
| 01/23/2003 | WO2003006458A1 Benzo [g] quinoline derivatives for treating glaucoma and myopia |
| 01/23/2003 | WO2003006151A1 Microencapsulated catalyst, methods of preparation and methods of use thereof |
| 01/23/2003 | US20030018199 Process for preparing chiral diol sulfones and dihydroxy acid HMG CoA reductase inhibitors |
| 01/23/2003 | US20030017942 Chiral catalysts for asymmetric acylation and related transformations |
| 01/23/2003 | US20030017906 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 |
| 01/23/2003 | CA2453113A1 Microencapsulated catalyst, methods of preparation and methods of use thereof |
| 01/22/2003 | EP1277755A1 OPTICALLY ACTIVE QUATERNARY AMMONIUM SALT WITH AXIAL ASYMMETRY, PROCESS FOR PRODUCING THE SAME, AND APPLICATION TO ASYMMETRIC SYNTHESIS OF $g(a)-AMINO ACID DERIVATIVE |
| 01/22/2003 | EP1277748A1 Process for producing optically active y-Butyrolactone |
| 01/21/2003 | US6509472 For use in enantioselective reduction of prochiral ketones to chiral secondary alcohols |
| 01/21/2003 | US6509467 Of iminium salts using transition metal complex catalyst |