Acetic acid (3S,5S,6R,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-dimethyl-hexyl)-3-fluoro-13-methyl-tetradecahydro-20-oxa-cyclopropa[5,6]cyclopenta[a]phenanthren-10-ylmethyl ester 在
chromium(VI) oxide 、
高氯酸 、
硫酸 作用下,
以
丙酮 为溶剂,
生成
Acetic acid (3S,5R,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-dimethyl-hexyl)-3-fluoro-5-hydroxy-13-methyl-6-oxo-hexadecahydro-cyclopenta[a]phenanthren-10-ylmethyl ester