(5R,8R,9S,10S,12S,13R,14S,17R)-12-Hydroxy-10,13-dimethyl-17-((R)-1,4,5-trimethyl-hexyl)-hexadecahydro-cyclopenta[a]phenanthren-3-one 在
N,O-双三甲硅基乙酰胺 作用下,
以
吡啶 为溶剂,
反应 2.0h,
生成 (3S,5R,6R,8S,9S,10R,12S,13R,14S,17R)-10,13-Dimethyl-17-((R)-1,4,5-trimethyl-hexyl)-3,6,12-tris-trimethylsilanyloxy-hexadecahydro-cyclopenta[a]phenanthren-5-ol