trimethyl-[(8'S,13'S,14'S)-13'-methylspiro[1,3-dioxolane-2,3'-2,4,6,7,8,12,14,15-octahydro-1H-cyclopenta[a]phenanthrene]-17'-yl]oxysilane 在
碳酸氢钠 、
间氯过氧苯甲酸 作用下,
以
正己烷 为溶剂,
生成 (8S,13S,14S)-16-hydroxy-13-methylspiro[1,2,4,6,7,8,12,14,15,16-decahydrocyclopenta[a]phenanthrene-3,2'-1,3-dioxolane]-17-one