Acetic acid (9S,10S,13R,14S,17S)-17-acetoxy-4,4,13-trimethyl-3-oxo-1,2,3,4,9,11,12,13,14,15,16,17-dodecahydro-cyclopenta[a]phenanthren-10-ylmethyl ester 在
镍 氢气 作用下,
以
1,4-二氧六环 为溶剂,
生成 Acetic acid (5R,10R,13R,14S,17S)-17-acetoxy-4,4,13-trimethyl-3-oxo-1,2,3,4,5,6,7,11,12,13,14,15,16,17-tetradecahydro-cyclopenta[a]phenanthren-10-ylmethyl ester