Acetic acid (3S,8S,9S,10R,13R,14S,17R)-17-((Z)-(R)-1,5-dimethyl-4-vinyloxy-hex-3-enyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester 在
氢氧化钾 作用下,
以
甲醇 为溶剂,
生成
24-vinyloxycholesta-5,23-dien-3β-ol