diphenylmethanoneO-((R)-4-((3R,5S,8R,9S,10S,13R,14S,17R)-3-hydroxy-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoyl) oxime 在
四氯化碳 作用下,
以81%的产率得到(3R,5S,8R,9S,10S,13R,14S,17R)-17-((R)-4-chlorobutan-2-yl)-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-3-ol