三甲基氯硅烷 、 Acetic acid (R)-1,1,2-trimethyl-5-((3S,5R,6R,8S,9S,10R,12R,13R,14S,17R)-3,5,6,12-tetrahydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl)-hexyl ester 在
N,O-双三甲硅基乙酰胺 作用下,
以
吡啶 为溶剂,
生成
Acetic acid (R)-5-((3S,5R,6R,8S,9S,10R,12R,13R,14S,17R)-5-hydroxy-10,13-dimethyl-3,6,12-tris-trimethylsilanyloxy-hexadecahydro-cyclopenta[a]phenanthren-17-yl)-1,1,2-trimethyl-hexyl ester