(3S,5S,6R,8S,9S,10R,13S,14S,16R,17S)-17-((S)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-6,10,13,16-tetramethyl-hexadecahydro-cyclopenta[a]phenanthrene-3,5-diol 在
硫酸 作用下,
以
四氢呋喃 为溶剂,
生成 (3S,5S,6R,8S,9S,10R,13S,14S,16R,17S)-17-((S)-1,2-Dihydroxy-ethyl)-6,10,13,16-tetramethyl-hexadecahydro-cyclopenta[a]phenanthrene-3,5-diol