N,O-双(三甲基硅烷基)三氟乙酰胺 、
25,26,26,26,27,27,27-heptafluoro-5α-cholestane-3β,15β-diol 在
吡啶 作用下,
反应 1.0h,
生成 (3S,5S,8R,9S,10S,13R,14S,15R,17R)-10,13-Dimethyl-17-((R)-5,6,6,6-tetrafluoro-1-methyl-5-trifluoromethyl-hexyl)-3-trimethylsilanyloxy-hexadecahydro-cyclopenta[a]phenanthren-15-ol