(8R,9S,13S,14S,16R,17S)-16-Allyl-3-(tert-butyl-dimethyl-silanyloxy)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-ol 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
生成
(8R,9S,13S,14S,16R,17S)-16-allyl-3-hydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-ol