(3S,5S,8R,9S,10S,13S,14S,17R)-17-Cyclobut-1-enyl-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-ol 在
chromium(VI) oxide 、
硫酸 作用下,
以
丙酮 为溶剂,
生成 (5S,8R,9S,10S,13S,14S,17R)-17-Cyclobut-1-enyl-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-one