24268-95-9

Upstream product

• 130552-96-4 (3aα,4aS*,10β,15bβ,15cα)-(+/-)-10-phenylthio-3a,6,7,10,15b,15c-hexahydro-2,2-dimethyl-5H-<1,3>dioxolo<4,5-h>-1,3-dioxolo<4,5>cyclopenta<1,2-a>pyrrolo<2,1-b><3>benzazepin-9(4H)-one 
• 130552-95-3 C₂₀H₂₃NO₆ 
• 113668-87-4 (3aα,4aS*,15bβ,15cα)-(+/-)-3a,10,15b,15c-tetrahydro-2,2-dimethyl-7H-<1,3>dioxolo<4,5-h>-1,3-dioxolo<4,5>cyclopenta<1,2-a>-<3>pyrrolo<2,1-b><3>benzazapin-9(4H)-one 
• 130552-99-7 (3aα,4aS*,10β,15bβ,15cα)-(+/-)-10-hydroxy-3a,4,6,7,9,10,15b,15c-octahydro-2,2-dimethyl-5H-<1,3>dioxolo<4,5-h>-1,3-dioxolo<4,5>cyclopenta<1,2-a>pyrrolo<2,1-b><3>benzazepine 
• 130552-97-5 (3aα,4aS*,15bβ,15cα)-(+/-)-10-bis(phenylthio)-3a,6,7,15b,15c-pentahydro-2,2-dimethyl-5H-<1,3>dioxolo<4,5-h>-1,3-dioxolo<4,5>cyclopenta<1,2-a>pyrrolo<2,1-b><3>benzazepin-9(4H)-one 
• 130611-20-0 (3aα,4S*,10β,15bβ,15cα)-(+/-)-10-acetoxy-3a,4,6,7,9,10,15b,15c-octahydro-2,2-dimethyl-5H-<1,3>dioxolo<4,5-h>-1,3-dioxolo<4,5>cyclopenta<1,2-a>pyrrolo<2,1-b><3>benzazepine 
• 130553-00-3 (3aS*,9β)-(+/-)-9-acetoxy-5,6,8,9-tetrahydro-1-hydroxy-4H-cyclopenta<1,3>dioxolo<4,5-h>pyrrolo<2,1-b><3>benzazepin-2-(3H)-one 
• 130609-69-7 (1aα,2α,3aS*,9β,14bα)-(+/-)-9-acetoxy-1,2,3,5,6,8,9,14b-octahydro-4H-cyclopenta<1,3>dioxolo<4,5-h>pyrrolo<2,1-b><3>benzazepine-1,2-diol 
• 130552-98-6 (3aα,4aS*,15bβ,15cα)-(+/-)-10-oxo-3a,6,7,15b,15c-pentahydro-2,2-dimethyl-5H-<1,3>dioxolo<4,5-h>-1,3-dioxolo<4,5>cyclopenta<1,2-a>pyrrolo-<2,1-b><3>benzazepin-9(4H)-one 
• 130553-02-5 (3aS*,9β)-(+/-)-9-acetoxycephalotaxin-1-one 

Downstream Products

• 24268-97-1 (+/-)-drupacine 

Relevant academic research and scientific papers

Total synthesis of the Cephalotaxus alkaloids dl-cephalotaxine, dl-11-hydroxycephalotaxine, and dl-drupacine

This paper reports the chemical details of our total synthesis of dl-cephalotaxine (1) and the completion of the first total synthesis of dl-11-hydroxycephalotaxine (3) and dl-drupacine (4). Key steps in the synthesis of dl-cephalotaxine include: (1) conj