(3S,5S,6S,8S,9R,10S,13R,14S,15R,16R,17R)-17-((1R,5S)-1,5-Dimethyl-6-trityloxy-hexyl)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthrene-3,6,8,15,16-pentaol 在
palladium on activated charcoal
氢气 作用下,
以
吡啶 、
乙醇 为溶剂,
反应 12.0h,
生成 (S)-3,3,3-Trifluoro-2-methoxy-2-phenyl-propionic acid (2S,6R)-2-methyl-6-((3S,5S,6S,8S,9R,10S,13R,14S,15R,16R,17R)-3,6,15-triacetoxy-8,16-dihydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl)-heptyl ester