2,3-dimethoxy-12-methyl-(4b
r,11b
t)-4b,5,6,11b,12,13-hexahydro-[1,3]dioxolo[4',5':4,5]benzo[1,2-
c]phenanthridin-6ξ-ol 在
palladium on activated charcoal 作用下,
以
溶剂黄146 为溶剂,
生成
2,3-dimethoxy-12-methyl-4b,5,6,11b,12,13-hexahydro-[1,3]dioxolo[4',5':4,5]benzo[1,2-c]phenanthridine