(20S)-3β-acetoxy-24-benzoylaminocholesta-5,23-dien-22-one 在
sodium tetrahydroborate 作用下,
以
乙醇 为溶剂,
反应 10.0h,
生成 Acetic acid (3S,8S,9S,10R,13S,14S,17R)-17-((Z)-(S)-4-benzoylamino-2-hydroxy-1,5-dimethyl-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