(2Z)-2-methoxy-2-[(8S,13S,14S)-5',5',13-trimethylspiro[1,2,4,6,7,8,12,14,15,16-decahydrocyclopenta[a]phenanthrene-3,2'-1,3-dioxane]-17-ylidene]ethanol 在
吡啶 、
双氧水 作用下,
以
various solvent(s) 为溶剂,
生成
[(2Z)-2-methoxy-2-[(1'R,5'S,9'S,10'S,13'R)-5,5,5'-trimethylspiro[1,3-dioxane-2,15'-18-oxapentacyclo[11.4.1.01,13.02,10.05,9]octadec-2-ene]-6'-ylidene]ethyl] acetate