(Ξ)-2-benzyloxy-2-(3-hydroxy-3-methyl-butyl)-succinic acid 1-((3a
R)-2-methoxy-(3a
rC4,14b
c)-1,5,6,8,9,14b-hexahydro-4
H-cyclopenta[
b][1,3]dioxolo[4',5':4,5]benzo[1,2-
d]pyrrolo[1,2-
a]azepin-1
t-yl) ester 4-methyl ester 在
palladium on activated charcoal
氢气 作用下,
以
溶剂黄146 为溶剂,
生成
harringtonine