28808-73-3

Upstream product

• 74526-89-9 C₄₆H₅₆N₄O₈ 
• 73837-57-7 (+/-)-20-epi-pseudovincadifformine 
• 121074-33-7 (2S,3aS,10bR,12bS)-5-Chloro-2-ethyl-2,3,3a,4,5,11,12,12b-octahydro-1H-6,12a-diaza-indeno[7,1-cd]fluorene-5-carboxylic acid methyl ester 
• 109704-79-2 N^b-benzyl-21-hydroxy-D-seco-Ψ-vincadifformine 
• 121074-32-6 (R)-4-[(R)-2-(Toluene-4-sulfonyloxymethyl)-butyl]-2,3,3a,4,5,7-hexahydro-1H-pyrrolo[2,3-d]carbazole-6-carboxylic acid methyl ester 
• 109704-80-5 N^b-benzyl-21-(tosyloxy)-D-seco-Ψ-vincadifformine 
• 2182-14-1 vindoline 
• 109704-84-9 C₅₃H₆₅N₄O₈⁽¹⁺⁾*C₇H₇O₃S^(1-) 
• 38390-45-3 15'20'-anhydrovinblastine 

Relevant academic research and scientific papers

Syntheses of 20'-Deoxyvinblastine, 20'-Deoxyleurosidine, 20'-Deoxyvincovaline, 20'-epi-20'-Deoxyvincovaline, and 20'-Deoxyvincristine and Its 20'-Epimer through Racemic and Enantioselectively Generated Intermediates. New Syntheses of D/E-cis- and -trans-Ψ

Vindoline (20), on reaction with chloro imine derivatives of the D-seco-D/E-trans-Ψ- and -20-epi-Ψ-vincadifformines 18 and 19, followed by cyclization and debenzylation steps, provided the natural products 20'-deoxyvinblastine (4) and 20'-deoxyleurosidine