(5R,8R,9S,10S,13S,14S)-16-(Bis-methylsulfanyl-methylene)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-one 在
lithium aluminium tetrahydride 作用下,
以
四氢呋喃 为溶剂,
以87%的产率得到(5R,8R,9S,10S,13S,14S,17R)-16-(Bis-methylsulfanyl-methylene)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-ol