Acetic acid (3R,5S,8S,9R,10S,11S,13R,14S,17R)-3-(tert-butyl-dimethyl-silanyloxy)-17-((R)-1,5-dimethyl-hexyl)-9-fluoro-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-11-yl ester 在
氢氟酸 作用下,
以96%的产率得到Acetic acid (3R,5S,8S,9R,10S,11S,13R,14S,17R)-17-((R)-1,5-dimethyl-hexyl)-9-fluoro-3-hydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-11-yl ester