[(3R,5S,7R,8R,9S,10S,13R,14S,17R)-7-acetyloxy-17-[(2R)-4-[ethoxycarbonylcarbamoyl(phenylmethoxy)amino]butan-2-yl]-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl] acetate 在
palladium on activated charcoal
sodium hydroxide 、
氢气 作用下,
以
四氢呋喃 、
乙醇 为溶剂,
20.0 ℃
、206.84 kPa
条件下,
反应 4.0h,
生成 2-[(3R)-3-[(3R,5S,7R,8R,9S,10S,13R,14S,17R)-3,7-dihydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]butyl]-1,2,4-oxadiazolidine-3,5-dione