(3S,5R,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-3-hydroxy-3-methoxymethyl-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-4-one 在
吡啶 、
氯化亚砜 作用下,
反应 2.0h,
生成 (5S,8R,9S,10S,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-3-methoxymethyl-10,13-dimethyl-4,5,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene