| Patents for C07B 53 - Asymmetric syntheses (6,231) |
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| 05/23/2002 | US20020061815 3,5-Dioxa-8-aza-tricyclo[5.2.1.00,0]decane-9-methanols, their metal complexes and enantio-selective hydrogenation processes |
| 05/23/2002 | CA2429252A1 Chiral diphosphines and their metal complexes |
| 05/22/2002 | EP1206443A2 Process for preparing (-)-(1s,4r) n-protected 4-amino-2-cyclopentene-1-carboxylate esters |
| 05/22/2002 | EP1206438A1 N-substituted norephedrine chiral derivatives, their preparation and their use for the synthesis of optically active functionalised compounds by hydrogen transfer |
| 05/22/2002 | EP1206427A1 Chiral ligands, transition-metal complexes thereof and uses thereof in asymmetric reactions |
| 05/22/2002 | CN1349971A Olfination method of itaconic acid and succinic acid derivatives |
| 05/21/2002 | US6392103 Using organometallic compound as catalyst |
| 05/16/2002 | WO2002038565A2 7-(r)-amino-triazolopyrimidines, the production thereof and use of the same for combating phytopathogenic fungi |
| 05/16/2002 | WO2002038544A2 3-substituted oxindole beta 3 agonists |
| 05/16/2002 | WO2002038543A2 3-substituted oxindole beta 3 agonists |
| 05/16/2002 | WO2002038535A1 Optically active cobalt (ii) or (iii) complexes, process for the preparation thereof and intermediates therefor |
| 05/16/2002 | US20020058660 For control of insect and acarid pests |
| 05/16/2002 | CA2421594A1 3-substituted oxindole beta 3 agonists |
| 05/15/2002 | EP1205476A1 Process for the synthesis of N-(mercaptoacyl)-amino acids derivatives from alpha-substituted acrylic acids |
| 05/15/2002 | CN1084742C Process for preparing 3-phenyl-1-methylenedioxyphenyl-indame-2-carboxylic acid derivatives |
| 05/14/2002 | US6388130 Method for producing axial asymmetric compounds, and intermediates for producing the same |
| 05/14/2002 | US6387033 Preparation of new layered double hydroxides exchanged with osmate for asymmetric dihydroxylation of olefins to vicinal diols |
| 05/14/2002 | CA2010542C Ring-substituted 2-amino-1,2,3,4-tetrahydronaphthalenes and 3-aminochromanes |
| 05/10/2002 | WO2002036594A1 Process for the preparation of crystalline n-formimidoyl thienamycin monohydrate (imipenem monohydrate) |
| 05/10/2002 | WO2002036261A2 Catalyst comprising a chiral cationic metal-ligand complex immobilised on a mesoporous alumino-silicate support, its preparation and use in asymmetric hydrogenation |
| 05/10/2002 | WO2002018349A3 Process and intermediates for preparing retroviral protease inhibitors |
| 05/09/2002 | US20020055653 Diphosphines |
| 05/09/2002 | US20020055645 Process for synthesizing N-(mercaptoacyl) amino acid derivatives from alpha-substituted acrylic acids |
| 05/08/2002 | EP1203616A1 Chiral lead catalyst and method of asymmetric aldol reaction |
| 05/08/2002 | EP1202986A1 Amine and amide derivatives as ligands for the neuropeptide y y5 receptor useful in the treatment of obesity and other disorders |
| 05/08/2002 | EP1202952A1 Method for producing amines by homogeneously catalyzed reductive amination of carbonyl compounds |
| 05/08/2002 | CN1347693A Noval compound, its synthetizing process and therapeutic use |
| 05/08/2002 | CN1084326C Splitting of active amide |
| 05/07/2002 | US6384265 Acid catalysis for rearrangement/inversion of stereoconfiguration; kinetic resolution of racemic mixtures using a chiral catalyst |
| 05/07/2002 | US6384220 Antidiabetic agents increasing the expression of glucokinase (gk) to improve glucose tolerance; increase in glucose exposure coupled through gk in beta-cells to increase insulin secretion and in hepatocytes to increase glycogen deposition |
| 05/02/2002 | US20020052524 Process for preparing (-)-(1S, 4R) N-protected 4-amino-2-cyclopentene-1-carboxylate esters |
| 05/02/2002 | US20020052352 Treating a malignant tumor, like a melanoma, using plant-derived compounds |
| 05/02/2002 | US20020052306 (+)- And (-)-2-cyclododecylpropanol and (+)- and (-)-2-cyclododecylpropionic acid and the preparation and use thereof |
| 05/02/2002 | EP1201673A1 Bidentate organophosphorous ligands and their use in catalysis |
| 05/02/2002 | EP1200452A1 Novel chiral phosphorus ligands and the use thereof in the production of optically active products |
| 05/02/2002 | EP1200419A1 Aminothiazole derivatives and their use as crf receptor ligands |
| 05/02/2002 | EP1200394A1 Process for preparing acids via alpha-chloroepoxy esters |
| 05/02/2002 | EP1200390A1 Production of n-substituted 2,7-dialkyl-4-hydroxy-5-amino-8-aryl-octanoylamides |
| 05/02/2002 | EP1200387A1 Process for the cis-selective catalytic hydrogenation of cyclohexylidenamines |
| 05/02/2002 | EP1200386A1 Process for the preparation of naproxene nitroxyalkylesters |
| 05/02/2002 | EP1200384A1 2-alkyl-5-halogen-pent-4-ene carboxylic acids and their production |
| 05/02/2002 | DE10052391A1 New bidentate organophosphorus ligands with a chiral carbon center, used in complex compounds for use as catalysts in asymmetric reactions or polymerizations, especially asymmetric hydroformylation or hydrogenation |
| 05/01/2002 | CN1347400A Microbial process for preparing pravastatin |
| 04/30/2002 | US6380416 Chiral bidentate phosphine ligands with cyclic rings to restrict conformational flexibility of the ligands to enhance efficiency; stereoselective hydrogenation of ketones to alcohols, and a-acetoamidocinnamic acid to acylamino acids |
| 04/30/2002 | US6380412 Optically active diphosphines, preparation thereof according to a process for the resolution of the racemic mixture and use thereof |
| 04/30/2002 | US6380408 Non-calcemic, antiproliferative, transcriptionally active sulfur-containing analogs of 1α, 25-dihydroxy vitamin D3 |
| 04/30/2002 | US6380224 For therapy of eating disorders, obesity, bulimia nervosa, diabetes, memory loss, epileptic seizures, migraine, sleep disturbances, pain, sexual/reproductive disorders, depression and anxiety |
| 04/30/2002 | US6379936 With crotonobetainyl-coenzyme a and l(-)-carnitine dehydratase, adding d(+)-carnitine and isolating l-isomer |
| 04/25/2002 | US20020049331 Reacting cyclopropylcarboxaldehyde with substituted phosphorylglycine to form enamide which is hydrogenated in presence of transition metal catalyst containing metal and bis-phosphine compound; chemical intermediates |
| 04/24/2002 | EP1199301A1 Olefination process to itaconate and succinate derivatives |
| 04/24/2002 | EP0912467B1 Asymmetric hydrogenation method of a ketonic compound and derivative |
| 04/24/2002 | CN1346360A Phosphoramidate, and mono-di, and tri-phosphate esters of (1R, cis)-4-(6-amino-9H-purin-9-YL)-2-cyclopentene-1-methanol as antiviral agents |
| 04/24/2002 | CN1346342A Method for hydrolyzing optically active amides |
| 04/24/2002 | CN1083450C Processes for preparing intermediate product used in method of diastereoselective syntheses of nucleosides |
| 04/23/2002 | US6376684 Chemical intermediate for oxybutynin-type compounds |
| 04/18/2002 | WO2002030919A1 SYNTHESIS OF R(+)α-LIPOIC ACID |
| 04/18/2002 | WO2002030415A1 Pravastatin sodium substantially free of pravastatin lactone and epi-pravastatin, and compositions containing same |
| 04/18/2002 | WO2002030356A2 Synthesis of epothilones and relates analogs |
| 04/18/2002 | WO2002010095A3 Process for the cyanation of aldehydes |
| 04/18/2002 | CA2425828A1 Synthesis of epothilones and related analogs |
| 04/18/2002 | CA2422744A1 Pravastatin sodium substantially free of pravastatin lactone and epi-pravastatin, and compositions containing same |
| 04/17/2002 | EP1196364A1 Process for the synthesis of (r)-1-(3,5-bis(trifluoromethyl)-phenyl)ethan-1-ol by asymmetric transfer hydrogenation |
| 04/16/2002 | US6372940 Mixing at room temperature l(-)-carnitine inner salt, fumaric acid or l(+)-tartaric acid, 6-8% by weight of water, heating under stirring, cooling molten mass until completely solidified, grinding solidified mass to desired particle size |
| 04/16/2002 | US6372906 Reacting camptothecin or homocamptothecin with silyl radical precursor under conditions to generate silyl radical |
| 04/16/2002 | CA2358952A1 Novel olefination process to itaconate and succinate derivatives |
| 04/11/2002 | WO2002028840A1 Process for preparation of integrin receptor antagonist intermediates |
| 04/11/2002 | WO2001090055A3 A process for preparing biphenyl compounds |
| 04/11/2002 | US20020042540 New 6,6'-bis-(1-phosphanorbornadiene) diphosphines, their preparation and their uses |
| 04/11/2002 | US20020042356 (1S,6R)-2,2,6-Trimethylcyclohexyl methyl ketone and/or (1R,6S)-2,2,6-trimethylcyclohexyl methyl ketone, process for producing the same, and perfume composition containing the same |
| 04/11/2002 | US20020042108 Process for preparing optically active 1-amino-4-(hydroxymethyl) cyclopent -2- ene derivatives |
| 04/11/2002 | CA2424304A1 Process for preparation of integrin receptor antagonist intermediates |
| 04/10/2002 | EP1194437A1 Diphosphine ligands for metal complexes |
| 04/09/2002 | US6369243 Acid catalyst |
| 04/09/2002 | US6369223 Using catalyst complex |
| 04/04/2002 | WO2002026695A2 Preparation of enantiomerically-enriched cyclopropylalanine derivatives |
| 04/04/2002 | US20020040164 For use in anxiolytic agents |
| 04/04/2002 | US20020039961 Catalyst |
| 04/04/2002 | DE10044793A1 Diphosphine Diphosphines |
| 04/02/2002 | US6365605 Substituted hydrochromenopyrroles |
| 04/02/2002 | CA2253906C Process for preparation of pyrimidine derivatives |
| 03/28/2002 | WO2002024705A1 Stereoselective process for preparing cyclohexyl amine derivatives |
| 03/28/2002 | WO2002024671A1 Process for preparing optically active epoxides |
| 03/28/2002 | WO2002004466A3 Catalyst for asymmetric (transfer) hydrogenation |
| 03/28/2002 | WO2001090106A3 Tryasolyl tropane derivatives as ccr5 modulators |
| 03/28/2002 | WO2001045484A3 An improved process for preparing simvastatin |
| 03/28/2002 | US20020038053 For use in enantioselective reduction of prochiral ketones to chiral secondary alcohols |
| 03/28/2002 | US20020038048 Catalytic asymmetric desymmetrization of meso compounds |
| 03/28/2002 | US20020038042 Poly-beta-amino acids, preparation and use |
| 03/28/2002 | CA2420210A1 Stereoselective process for preparing cyclohexyl amine derivatives |
| 03/28/2002 | CA2400514A1 Process for preparing optically active epoxides |
| 03/27/2002 | EP1191030A2 Phosphinite-oxazolines and metal complexes |
| 03/27/2002 | EP0920410B1 Preparation of cyclohexene carboxylate derivatives |
| 03/27/2002 | CN1342135A Preparation of carvone |
| 03/26/2002 | CA2023645C Process for the enantioselective preparation of phenylisoserin derivatives |
| 03/21/2002 | WO2002022623A1 4-cyclohexyl-1,3,2-oxazaborolidine chiral accessories |
| 03/21/2002 | WO2002022529A2 1,4-diaryl-2,3-difluoro-2-butene insecticidal and acaricidal agents |
| 03/21/2002 | US20020035285 Hydrogenation catalyst |
| 03/21/2002 | US20020035283 Using hydrogenation catalyst complex containing ruthenium |
| 03/21/2002 | CA2421861A1 1,4-diaryl-2,3-difluoro-2-butene insecticidal and acaricidal agents |
| 03/21/2002 | CA2421777A1 4-cyclohexyl-1,3,2-oxazaborolidine chiral accessories |