3β-acetoxy-22,23,24,25,26,27-hexanorlanosta-8,20-diene 在
palladium on activated charcoal
氢气 作用下,
以
甲醇 为溶剂,
生成 Acetic acid (3S,5R,10S,13R,14R,17S)-17-ethyl-4,4,10,13,14-pentamethyl-2,3,4,5,6,7,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester