Acetic acid (4S,5R,6R,7R,8S,9S,10R,13R,14S,17R)-6-bromo-17-((R)-1,5-dimethyl-hexyl)-7-hydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-4-yl ester 在
吡啶 、
氢氧化钾 、
sodium acetate 、
溶剂黄146 、
锌 作用下,
以
溶剂黄146 为溶剂,
生成 Acetic acid (7S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-7-ylmethyl ester