(3'S,8'R,9'S,10'R,13'S,14'S)-13'-methylspiro[1,3-dioxolane-2,17'-2,3,4,7,8,9,10,11,12,14,15,16-dodecahydro-1H-cyclopenta[a]phenanthrene]-3'-ol 在
吡啶 、
硼烷四氢呋喃络合物 、
双氧水 、 sodium hydroxide 作用下,
以
四氢呋喃 为溶剂,
生成
[(3'S,5'S,6'S,8'R,9'S,10'R,13'S,14'S)-6'-hydroxy-13'-methylspiro[1,3-dioxolane-2,17'-2,3,4,5,6,7,8,9,10,11,12,14,15,16-tetradecahydro-1H-cyclopenta[a]phenanthrene]-3'-yl] acetate 、