3β-Acetoxy-16-<<(2-acetoxyethyl)acetylamino>methylene>-5α-androstan-17-one 在
氢氧化钾 、 sodium tetrahydroborate 作用下,
以
甲醇 为溶剂,
反应 96.0h,
生成 (2,2,2-Trichloro-acetyl)-carbamic acid (3S,5S,8R,9S,10S,13S,14S)-16-formyl-10,13-dimethyl-2,3,4,5,6,7,8,9,10,11,12,13,14,15-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester