Patents for C07B 53 - Asymmetric syntheses (6,231) |
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03/20/2001 | US6204406 Catalyst for asymmetric induction |
03/15/2001 | WO2001018012A1 Electronically tuned ligands |
03/15/2001 | WO2001017952A1 Substituted cyclopentenes, their preparation and their use for chiral scaffolds |
03/15/2001 | CA2380656A1 Substituted cyclopentenes, their preparation and their use for chiral scaffolds |
03/14/2001 | EP1082328A1 Production of optically active phospholanes |
03/14/2001 | CN1287115A Process for producing vitamin D analogue |
03/13/2001 | CA2021328C Stereoselective preparation of z-1,2-diarylallyl chlorides and the conversion thereof into azolylmethyloxiranes and novel intermediates |
03/06/2001 | US6197996 Asymmetrically hydrogenating gamma-trimethylammonium-3-oxabutanoic ester halide in presence of ruthenium-optically active phosphine complex as catalyst, recovering optically active carnitine ester formed |
03/06/2001 | US6197995 Process for manufacture of chiral succinic acid derivatives |
03/01/2001 | WO2001014299A1 Chiral ligands, transition-metal complexes thereof and uses thereof in asymmetric reactions |
03/01/2001 | WO2001014287A1 Method for synthesizing absolute asymmetry |
03/01/2001 | CA2382779A1 Chiral ligands, transition-metal complexes thereof and uses thereof in asymmetric reactions |
02/28/2001 | EP1078931A2 Process for the preparation of vitamin D analogues |
02/27/2001 | US6194593 1, 2-bis(dialkylphosphino) benzene derivates having optical activites, process for producing same, and rhodium metal complexes containing same as ligands |
02/22/2001 | WO2001012583A1 Method for the production of adrenaline |
02/22/2001 | WO2001012574A1 Transfer hydrogenation process |
02/22/2001 | WO2000064882A3 Enantiomers of mercapto lactones and processes for their synthesis |
02/22/2001 | CA2383266A1 Transfer hydrogenation process |
02/21/2001 | EP1077218A2 Peptido-mimetic compounds containing RGD sequence useful as integrin inhibitors |
02/20/2001 | US6191284 Ligands and complexes for enantioselective hydrogenation |
02/15/2001 | WO2001010822A1 Process for preparing acids via alpha-chloroepoxy esters |
02/15/2001 | WO2001010819A1 Nitroxy derivatives of (r) and (s)-carnitine |
02/15/2001 | WO2001010814A1 Process for the preparation of naproxene nitroxyalkylesters |
02/15/2001 | WO2000059513A8 NON-CALCEMIC, ANTIPROLIFERATIVE, TRANSCRIPTIONALLY ACTIVE SULFUR-CONTAINING ANALOGS OF 1α, 25-DIHYDROXY VITAMIN D¿3? |
02/15/2001 | CA2381010A1 Process for preparing acids via alpha-chloroepoxy esters |
02/15/2001 | CA2379047A1 Nitroxy derivatives of (r) and (s)-carnitine |
02/14/2001 | EP1021451A4 Asymmetric synthesis and catalysis with chiral heterocyclic compounds |
02/14/2001 | CN1061970C Asymmetrical hydrogenation of ketoisophorone derivatives |
02/13/2001 | US6187956 Method for preparing of L-phenylephrine hydrochloride |
02/08/2001 | WO2001009147A1 Novel chiral phosphorus ligands and the use thereof in the production of optically active products |
02/08/2001 | WO2001009120A1 Amine and amide derivatives as ligands for the neuropeptide y y5 receptor useful in the treatment of obesity and other disorders |
02/08/2001 | WO2001009083A1 Production of n-substituted 2,7-dialkyl-4-hydroxy-5-amino-8-aryl-octanoylamides |
02/08/2001 | WO2001009080A1 Process for the cis-selective catalytic hydrogenation of cyclohexylidenamines |
02/08/2001 | WO2001009079A1 2-alkyl-5-halogen-pent-4-ene carboxylic acids and their production |
02/08/2001 | WO2001009077A1 N-substituted norephedrine chiral derivatives, their preparation and their use for the synthesis of optically active functionalised compounds by hydrogen transfer |
02/08/2001 | WO2000044717A3 Synthesis of oligoketides |
02/08/2001 | DE19936473A1 Neue chirale Phosphorliganden und ihre Verwendung in der Herstellung optisch aktiver Produkte New chiral phosphorus ligands and their use in the preparation of optically active products |
02/08/2001 | CA2380032A1 Amine and amide derivatives as ligands for the neuropeptide y y5 receptor useful in the treatment of obesity and other disorders |
02/07/2001 | EP1073613A2 Main-group metal-based asymmetric catalysts and applications thereof |
02/07/2001 | CN1283184A Process for stereo selective synthesis of prostacyclin derivatives |
02/07/2001 | CN1282739A Intermediate used in preparing oxdiazine and its manufacturing method |
02/06/2001 | US6184413 Supported phase catalyst |
02/06/2001 | US6184404 Process for the selective alkylation of aldehydes by means of organozinc compounds |
02/06/2001 | US6184376 Potent antivirals, especially against herpes infections, such as those caused by varicella zoster virus, herpes simplex, epstein-barr virus, herpes type 6 (hhv-6) and type 8 (hhv-8). shingles in the elderly or chicken pox in the young |
02/01/2001 | WO2001007386A2 Asymmetric ligands having use as catalysts |
02/01/2001 | CA2377971A1 Asymmetric ligands having use as catalysts |
01/31/2001 | EP1071676A1 Kinetic resolution of olefins |
01/31/2001 | EP1071640A1 Asymmetric synthesis of 2-aryl-1-substituted butan-2,3-diols |
01/30/2001 | US6180823 Stereoselective process for alkyl phenylglycolic acids |
01/30/2001 | US6180789 Method for obtaining pure enantiomers of a pyridazinone derivative |
01/30/2001 | US6180551 Enantioselective dihydroxylation |
01/25/2001 | WO2001005776A1 Aminothiazole derivatives and their use as crf receptor ligands |
01/25/2001 | WO2001005741A1 Method for producing amines by homogeneously catalyzed reductive amination of carbonyl compounds |
01/24/2001 | EP1070075A1 Chiral phosphorated ligands useful in catalysts |
01/24/2001 | CN1281460A Catalysts for asymmetric synthesis containing rigid chiral ligands |
01/23/2001 | US6177591 Optically active phosphine oxide carboxylic acid and method of producing the same |
01/18/2001 | WO2001004131A1 Diphosphine ligands for metal complexes |
01/18/2001 | DE19938709C1 Adrenaline or its addition salt is prepared on industrial scale with asymmetric hydrogenation as the key step and special sequence of successive steps using a rhodium and bidentate phosphine ligand catalyst system |
01/18/2001 | DE19933611A1 Verfahren zur Herstellung von Aminen durch homogen katalysierte reduktive Aminierung von Carbonylverbindungen A process for preparing amines by homogeneously catalysed reductive amination of carbonyl compounds |
01/17/2001 | EP1069115A1 Process for producing oxazolidin-2-one derivatives |
01/17/2001 | EP1069109A1 Process for production of optically active N-protected-N-methyl-phenylalanine derivative |
01/17/2001 | EP1069097A2 Method for selective reduction |
01/17/2001 | EP0790998B1 Azo derivatives of 5-aminosalicylic acid for treatment of inflammatory bowel disease |
01/16/2001 | CA2313906A1 Process for selective reduction |
01/11/2001 | WO2001002326A1 Process for the synthesis of (r)-1-(3,5-bis(trifluoromethyl)-phenyl)ethan-1-ol by asymmetric transfer hydrogenation |
01/11/2001 | CA2376598A1 Process for the synthesis of (r)-1-(3,5-bis(trifluoromethyl)-phenyl)ethan-1-ol by asymmetric transfer hydrogenation |
01/10/2001 | EP1067127A1 Novel beta-diketone compounds, beta-diketone compounds coordinated to metal, method of organic synthesis with these, and catalyst |
01/10/2001 | EP1066232A1 Method for producing optically active alcohols |
01/09/2001 | US6172249 Chiral ligands for asymmetric catalysis |
01/09/2001 | US6172234 Optically active cyclic amino acid ester derivatives and processes for producing the same |
01/09/2001 | US6172091 Metabolic calcium imbalance and osteoporosis |
01/04/2001 | WO2001001569A2 Process for preparing (-)-(1s,4r) n-protected 4-amino-2-cyclopentene-1-carboxylate esters |
01/04/2001 | WO2001000545A1 PRODUCTION OF OPTICALLY ACTIVE α-HYDROXYACETALS |
01/04/2001 | CA2377801A1 Process for preparing (-)-(1s,4r) n-protected 4-amino-2-cyclopentene-1-carboxylate esters |
01/03/2001 | EP1064290A1 1-phosphanorbornadienes |
01/03/2001 | EP1064244A1 Method for separating a diphosphine diastereoisomers |
01/03/2001 | EP0770056B1 A process for producing [s,s]-ethylenediamine-n,n'-disuccinic acid |
01/03/2001 | CN1278801A Transition metal-catalyzed reactions based on chiral amine oxazolinyl ligands |
01/03/2001 | CN1278528A Process for preparation of 5,6-dihydroxyl-2-amino-1,2,3,4-tetrahydronaphthalene derivatives |
01/03/2001 | CN1278527A Process for preparation of 5,6-dihydrxyl-2-amino-1,2,3,4-tetrahydronaphthalene derivatives |
01/03/2001 | CN1278526A Process for preparation of 5,6-dihydroxyl-2-amino-1,2,3,4-tetrahydronaphthalene derivatives |
01/02/2001 | US6169179 Method for manufacturing (3S,4R)-4-[(R)-1′-formylethyl]azetidin-2-one derivatives |
12/27/2000 | CN1059906C Water-soluble phosphine-derivatives |
12/27/2000 | CN1059901C Preparation of arthropodicidal oxadiazines |
12/26/2000 | US6166260 Enantioselectively reducing carbonyl or carbonyl-bearing chemical entities with chiral hydride complex reducing agents; resolving the reduction product through the formation of a complex of the reduction product and the ligand |
12/26/2000 | US6166257 Asymmetric hydrogenation method of a ketonic compound and derivative |
12/21/2000 | WO2000076942A1 Sulphonylamides and carboxamides and their use in asymmetrical catalysis |
12/21/2000 | CA2374553A1 Sulphonylamides and carboxamides and their use in asymetrical catalysis |
12/20/2000 | EP1061062A1 Process for producing butanetriol derivative |
12/20/2000 | EP1060793A1 Stereospecific isomerisation of allylamines with the aid of immobilised phosphorated chiral ligands |
12/14/2000 | WO2000075104A1 Novel method for preparing optically active alpha-aminonitriles |
12/07/2000 | WO2000073274A2 Substituted phenylcyclohexane carboxylic acid amides and their use as adenosine uptake inhibitors |
12/07/2000 | CA2375188A1 Substituted phenylcyclohexane carboxylic acid amides and their use as adenosine uptake inhibitors |
12/05/2000 | US6156935 Chiral phosphorus-based ligands |
11/30/2000 | WO2000071541A1 Optically active quinoline carboxylic acid derivatives having 7-pyrrolidine substitutes causing optical activity and a process for preparing thereof |
11/30/2000 | WO2000071503A1 4-cyano-3-hydroxy butanoyl hydrazines, derivatives and process for the preparation thereof |
11/30/2000 | DE19924819A1 Substituierte Phenylcyclohexancarbonsäurebenzylamid (Adenosinaufnahmeinhibitoren) Substituted Phenylcyclohexancarbonsäurebenzylamid (adenosine uptake inhibitors) |
11/29/2000 | EP1055664A1 Process for producing norstatin derivatives |
11/29/2000 | CN1275121A Esters with musky odor and their use in perfumery |
11/28/2000 | US6153758 Complexing with transition metals to form a chiral complexes as a chiral catalysts for stereocontrolled reactions, in particular diastereo and enantioselective reduction, hydroformylation, hydrosilylation, hydrocyanation |