三甲基氯硅烷 、
(3S,5R,6R,8S,9S,10R,12R,13R,14S,17R)-10,13-Dimethyl-17-((R)-1,4,5-trimethyl-hexyl)-hexadecahydro-cyclopenta[a]phenanthrene-3,5,6,12-tetraol 在
N,O-双三甲硅基乙酰胺 作用下,
以
吡啶 为溶剂,
生成 (3S,5R,6R,8S,9S,10R,12R,13R,14S,17R)-10,13-Dimethyl-17-((R)-1,4,5-trimethyl-hexyl)-3,6,12-tris-trimethylsilanyloxy-hexadecahydro-cyclopenta[a]phenanthren-5-ol