Formyl-leurosine

Formyl-leurosine (3'a,4'a)-4'-Deoxy-3',4'-epoxy-22-oxovincaleukoblastine 22-Oxoleurosine F-Leurosine Leuroformine N-Demethyl-N-formylleurosine N-Formyl Leurosine (Vincristine Impurity G) N-Formyl N-demethylleurosine NSC 269419 Vincristine Impurity G N-Formyl Leurosine (Vincristine Vincaleukoblastine, 4'-deoxy-3',4'-epoxy-22-oxo-, (3'α,4'α)- NS269419 methyl(3aR,4R,5S,5aR,10bR,13aR)-4-(acetyloxy)-3a-ethyl-9-[(1aS,11S,13S,13aR)-1a-ethyl-11-(methoxycarbonyl)-1a,4,5,10,11,12,13,13a-octahydro-2H-3,13-methano-oxireno[9,10]azacycloundecino[5,4-b]indol-11-yl]-6-formyl-5-hydroxy-8-methoxy-3a,4,5,5a,6,11,12,13a-octahydro-1H-indolizino[8,1-cd]carbazole-5-carboxylate(formylleurosine) Vincristine Impurity 1 Vincristine Impurity 7(Vincristine EP Impurity G) N-Formyl Leurosine(>85%) (3′α,4′α)-4′-Deoxy-3′,4′-epoxy-22-oxovincaleukoblastine (1aS,3S,11S,13S,13aR)-methyl 11-((3aR,3a1R,4R,5S,5aR,10bR)-4-acetoxy-3a-ethyl-6-formyl-5-hydroxy-8-methoxy-5-(methoxycarbonyl)-3a,3a1,4,5,5a,6,11,12-octahydro-1H-indolizino[8,1-cd]carbazol-9-yl)-1a-e (1aS,3S,11S,13S,13aR)-methyl 11-((3aR,3a1R,4R,5S,5aR,10bR)-4-acetoxy-3a-ethyl-6-formyl-5-hydroxy-8-methoxy-5-(methoxycarbonyl)-3a,3a1,4,5,5a,6,11,12-octahydro-1H-indolizino[8,1-cd]carbazol-9-yl)-1a-ethyl-2,4,5,10,11,12,13,13a-octahydro-1aH-3,13-methanooxireno[2',3':9,10][1]azacycloundecino[5,4-b]indole-11-carboxylate 54022-49-0 Chiral Reagents Impurities Intermediates & Fine Chemicals Pharmaceuticals