(6aR,7aS,8aS,9aR)-tert-butyl-(9a-ethyl-7a-phenyl-5,6,6a,7,7a,8a,9,9a-octahydro-8-oxacyclopropa[b]phenanthren-3-yloxy)dimethylsilane 在
硫酸 、
水 作用下,
以
二甲基亚砜 为溶剂,
生成
(2R,4aR,10aR)-4a-ethyl-7-hydroxy-2-phenyl-1,2,4,9,10,10a-hexahydrophenanthren-3-one 、 (2S,3S,4aR,10aR)-4a-ethyl-2-phenyl-1,3,4,9,10,10a-hexahydrophenanthrene-2,3,7-triol