| Patents for C07B 53 - Asymmetric syntheses (6,231) |
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| 11/28/2000 | CA2309530A1 Process for producing norstatin derivatives |
| 11/23/2000 | WO2000069808A1 Process for preparing r-(-)-carnitine from s-(-)-chlorosuccinic acid or from a derivative thereof |
| 11/23/2000 | WO2000069777A1 Reactions using lewis acids |
| 11/23/2000 | CA2372424A1 Process for preparing r-(-)-carnitine from s-(-)-chlorosuccinic acid or from a derivative thereof |
| 11/22/2000 | EP1053974A1 Reactions using lewis acids |
| 11/22/2000 | CN1273974A Camptothecin derviative, its prepn. method and medicinal compsns. containing same |
| 11/21/2000 | US6150567 Reacting carbonyl compound with organoaluminum compound to form an alcohol compound |
| 11/16/2000 | WO2000068183A2 High purity (1r,2s,4r)-(-)-2-[(2'-{n,n-dimethylamino}-ethoxy)]-2-[phenyl]-1,7,7-tri-[methyl]-bicyclo[2.2.1]heptane and pharmaceutically acceptable acid addition salts thereof, process for the preparation of these compounds and medicaments containing them |
| 11/16/2000 | WO2000068181A2 Process for preparing (1r,2s,4r) -(-)-2-[(2'- {n,n-dimethylamino} -ethoxy)] -2-[phenyl] -1,7,7-tri- [methyl] -bicyclo [2.2.1] heptane and pharmaceutically acceptable acid addition salts thereof |
| 11/16/2000 | CA2373193A1 Process for preparing (1r,2s,4r) -(-)-2-[(2'- {n,n-dimethylamino} -ethoxy)] -2-[phenyl] -1,7,7-tri- [methyl] -bicyclo [2.2.1] heptane and pharmaceutically acceptable acid additionsalts thereof |
| 11/15/2000 | EP1052245A2 High purity (1R, 2S, 4R)-(-)-2-[(2'-(N,N-dimethylamino)-ethoxy)]-2-[phenyl]-1,7,7-tri-[methyl]-bicyclo[2.2.1]heptane and pharmaceutically acceptable acid addition salts thereof, process for the preparation of these compounds and medicaments containing them |
| 11/15/2000 | EP1052243A2 Process for preparing (1R, 2S, 4R)-(-)-2-[(2'-(N,N-dimethylamino)-ethoxy)]-2-[phenyl]-1,7,7-tri-[methyl]-bicyclo[2.2.1]heptane and pharmaceutically acceptable acid addition salts thereof |
| 11/14/2000 | US6147232 Process of making 3-phenyl-1-methylenedioxyphenyl-indane-2-carboxylic acid derivatives |
| 11/09/2000 | WO2000066545A1 6-[[(aryl and heteroaryl)oxy] methyl]naphthalene -2-carboximidamide derivatives, preparation and therapeutic application thereof |
| 11/09/2000 | WO2000066519A1 Stereospecific method for preparing 4-hydoxyalk-1-ene compounds |
| 11/09/2000 | WO2000010968A3 Novel aryl sulphonamide amino acid esters and analogues |
| 11/09/2000 | CA2371284A1 6-¬¬(aryl and heteroaryl)oxy| methyl|naphthalene-2-carboximidamide derivatives, preparation and therapeutic application thereof |
| 11/08/2000 | EP1049537A2 Catalytic compositions and methods for asymmetric allylic alkylation |
| 11/08/2000 | EP0769006B1 Small molecule inhibitors of rotamase enzyme activity |
| 11/07/2000 | US6143907 3-phenyl-1-methylenedioxyphenyl-indane-2-carboxylic acid derivatives |
| 11/07/2000 | US6143783 Amino acids |
| 11/02/2000 | WO2000064914A1 Bidentate organophosphorous ligands and their use |
| 11/02/2000 | WO2000064882A2 Enantiomers of mercapto lactones and processes for their synthesis |
| 11/02/2000 | WO2000064844A1 Method for the asymmetric dihydroxylation of olefins, using osmium catalysts |
| 11/02/2000 | WO2000064583A1 Metal catalysts and methods for making and using same |
| 11/02/2000 | WO2000031010A3 Methods for producing chiral aldehydes |
| 11/02/2000 | EP1048647A1 N-Chlorocarbonyl-carbamate derivative and its use in the preparation of arthropodicidal oxadiazines |
| 11/02/2000 | EP1047660A1 Esters with musky odor and their use in perfumery |
| 11/02/2000 | CA2371186A1 Method for the asymmetric dihydroxylation of olefins, using osmium catalysts |
| 10/31/2000 | US6140357 Small molecule inhibitors of rotamase enzyme activity |
| 10/26/2000 | DE19920039A1 Preparation of chiral 1,2-diols, useful as intermediates e.g. for pharmaceuticals, agrochemicals, cosmetics and chiral polymers, by hydroxylation of an olefin in the presence of oxygen, an osmium compound and a chiral amine |
| 10/26/2000 | DE19918420A1 New bidentate organophosphorus ligands whose transition metal complexes are useful as catalysts for polymerization and asymmetric synthesis comprise a trivalent phosphine group and another trivalent phosphorus group |
| 10/26/2000 | DE19857302C2 Verfahren zur enantioselektiven Reduktion von 3,5-Dioxocarbonsäuren, deren Salze und Ester A process for the enantioselective reduction of 3,5-Dioxocarbonsäuren, its salts and esters |
| 10/21/2000 | CA2306209A1 Polymeric homogeneous catalysts |
| 10/19/2000 | WO2000061526A1 Method for carrying out the transition metal-catalyzed dimerization or codimerization of alkenes in compressed carbon dioxide which serves as a solvent |
| 10/19/2000 | WO2000040547B1 α-SUBSTITUTION OF UNPROTECTED β-AMINO ESTER COMPOUNDS |
| 10/19/2000 | CA2369607A1 Method for carrying out the transition metal-catalyzed dimerization or codimerization of alkenes in compressed carbon dioxide which serves as a solvent |
| 10/17/2000 | US6133485 Asymmetric synthesis of 2-(2,4-difluorophenyl)-1-heterocycl-1-yl butan-2,3-diols |
| 10/17/2000 | US6133464 May be used as ligands for transition metal catalysts in enantioselective reactions |
| 10/12/2000 | WO2000059513A1 NON-CALCEMIC, ANTIPROLIFERATIVE, TRANSCRIPTIONALLY ACTIVE SULFUR-CONTAINING ANALOGS OF 1α, 25-DIHYDROXY VITAMIN D¿3? |
| 10/12/2000 | DE19915904A1 Verfahren zur übergangsmetallkatalysierten Dimerisierung oder Codimerisierung von Alkenen in komprimiertem Kohlendioxid als Lösungsmittel Method for Transition-dimerization or co-dimerization of alkenes in compressed carbon dioxide as a solvent |
| 10/11/2000 | CN1269775A Enantioselective reduction of ketones with silane agent/metal compound/chiral ligand system |
| 10/10/2000 | US6130349 Catalytic compositions and methods for asymmetric allylic alkylation |
| 10/10/2000 | US6130340 Catalyst selectivity; drug chemical intermediates |
| 10/10/2000 | US6130337 Enantiomerically enriched α,α-distributed amino acids and method |
| 10/05/2000 | WO2000058253A1 Preparation of carvone |
| 10/04/2000 | EP1041079A2 Ruthenium-optically active phosphine complex mixture, process for the preparation thereof and asymmetric hydrogenation catalyst comprising same |
| 10/04/2000 | EP1041077A2 Phosphine derivative and polymer thereof and transition metal complex comprising the same |
| 10/03/2000 | US6127550 By reacting a 2-amino-2-substituted ethyl alcohol having position 2 chirality(2-*) with a halide in the presence of a base to form a 2-substituted, 2-* aziridine, reacting with a lithium compound to form a salt, treating with strong acid |
| 09/28/2000 | WO2000056701A1 An improved process for the preparation of non-hygroscopic salts of l(-)-carnitine |
| 09/28/2000 | WO2000056699A1 Method for hydrolyzing optically active amides |
| 09/28/2000 | WO2000056696A1 METHODS FOR PRODUCING α-ACYLOXY CARBONYL COMPOUNDS FROM ENOL ESTER EPOXIDES |
| 09/28/2000 | DE19913396A1 Chiral heterogeneous catalysts useful for stereoselective oxidation and hydrogenation comprise a metal salene complex in zeolite mesopores enclosed by micropores |
| 09/28/2000 | DE19913256A1 Verfahren zur Hydrolyse von optisch aktiven Amiden A method for hydrolyzing optically active amides |
| 09/28/2000 | CA2367936A1 Methods for producing .alpha.-acyloxy carbonyl compounds from enol ester epoxides |
| 09/28/2000 | CA2359106A1 An improved process for the preparation of non-hygroscopic salts of l(-)-carnitine |
| 09/26/2000 | US6124122 Process for preparing optically pure (S)-3-hydroxy-γ-butyrolactone |
| 09/21/2000 | WO2000055124A2 Novel compounds and compositions as protease inhibitors |
| 09/21/2000 | WO2000039324A3 Method for producing optically active 1-amino-4-(hydroxymethyl)-cyclopent-2-ene derivatives |
| 09/21/2000 | CA2367348A1 Novel compounds and compositions as protease inhibitors |
| 09/20/2000 | EP0828703B1 Asymmetric synthesis of (-) 6-chloro-4-cyclopropyl-ethynyl-4-trifluoromethyl-1,4-dihydro-2h-3,1-benzoxazin-2-one |
| 09/20/2000 | CN1267238A Homogeneous oxidation catalyst using metal complexes |
| 09/19/2000 | US6121494 Method of producing optically active vinyl phosphine oxide |
| 09/14/2000 | WO2000053614A1 Method for producing glyco-conjugates of 20(s)-camptothecin |
| 09/14/2000 | WO2000053305A1 Polymer enlarged catalysts |
| 09/14/2000 | DE10003110A1 Polymer-enlarged catalysts useful for homogeneous catalysis in membrane reactors comprise a polymer of butadiene and/or isoprene |
| 09/14/2000 | CA2366632A1 Method for producing glyco-conjugates of 20(s)-camptothecin |
| 09/12/2000 | US6118025 Method for preparing optically active α-substituted benzyl alcohols |
| 09/08/2000 | WO2000051979A1 C16 unsaturated fp-selective prostaglandins analogs |
| 09/07/2000 | DE19909979A1 Verfahren zur Herstellung von Glycokonjugaten von 20(S)-Camptothecin Process for the preparation of glycoconjugates of 20 (S) -camptothecin |
| 09/05/2000 | US6114566 4-cyano-3-hydroxybutanoyl hydrazines, derivatives and process for the preparation thereof |
| 09/05/2000 | CA2020340C Enantioselective synthesis of antifolates |
| 08/31/2000 | WO2000050430A1 Chiral diazaphospholidine ligands |
| 08/31/2000 | WO2000050365A1 Asymmetric cycloaddition reactions |
| 08/30/2000 | EP1030854A2 Catalysts for asymmetric synthesis containing rigid chiral ligands |
| 08/30/2000 | EP1030849A1 Transition metal-catalyzed reactions based on chiral amine oxazolinyl ligands |
| 08/24/2000 | WO2000049028A1 Method for preparing chiral diphosphines |
| 08/24/2000 | WO2000048988A1 Phenylalaninol derivatives |
| 08/23/2000 | EP0763005B1 TETRAHYDROINDENO[1,2-d][1,3,2]OXAZABOROLES AND THEIR USE AS ENANTIOSELECTIVE CATALYSTS |
| 08/22/2000 | US6107521 Process for the preparation of secondary amines |
| 08/22/2000 | US6107503 Asymmetric zirconium catalyst |
| 08/17/2000 | WO2000047591A1 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 |
| 08/17/2000 | WO2000047551A2 Inhibitors of aspartyl protease |
| 08/17/2000 | CA2362662A1 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 |
| 08/10/2000 | WO2000046186A1 A process for preparing (r)-4-cyano-3-hydroxybutyric acid ester |
| 08/10/2000 | WO2000046175A1 Microbial process for preparing pravastatin |
| 08/10/2000 | CA2361680A1 A process for preparing (r)-4-cyano-3-hydroxybutyric acid ester |
| 08/09/2000 | EP1025083A1 Process for stereoselective synthesis of prostacyclin derivatives |
| 08/03/2000 | WO2000044717A2 Synthesis of oligoketides |
| 08/03/2000 | WO2000044716A1 Acetylenic sulfonamide thiol tace inhibitors |
| 08/03/2000 | DE19902229A1 Verfahren zur Herstellung von L-Phenylephrinhydrochlorid A process for preparing L-phenylephrine hydrochloride |
| 08/03/2000 | CA2361040A1 Synthesis of oligoketides |
| 08/03/2000 | CA2356480A1 Acetylenic sulfonamide thiol tace inhibitors |
| 08/02/2000 | EP0788472B1 A process for the preparation of 5,6-dihydroxy-2-amino-1,2,3,4-tetrahydronaphthalene derivatives |
| 07/27/2000 | WO2000043345A1 Method for producing l-phenylephrine hydrochloride |
| 07/26/2000 | EP1021451A1 Asymmetric synthesis and catalysis with chiral heterocyclic compounds |
| 07/26/2000 | EP1021426A4 Catalytic asymmetric epoxidation |
| 07/26/2000 | EP1021426A1 Catalytic asymmetric epoxidation |
| 07/20/2000 | WO2000001687A9 Benzothiepines having activity as inhibitors of ileal bile acid transport and taurocholate uptake |
| 07/19/2000 | EP1019397A1 A process of making 3-phenyl-1-methylenedioxyphenyl-indane-2-carboxylic acid derivatives |