((3R,3aS,5aS,5bR,7aS,9S,11aS,11bS,13aR)-3,11a-Dimethyl-1-methylene-hexadecahydro-2-oxa-pentaleno[1,6a-a]phenanthren-9-yl)-methyl-cyanamide 在
盐酸 作用下,
以
1,4-二氧六环 为溶剂,
反应 2.0h,
生成
(5S,8R,9S,10S,13S,14S,17R)-17-Ethyl-13-((S)-1-hydroxy-ethyl)-10-methyl-hexadecahydro-cyclopenta[a]phenanthren-3-one