Propionic acid (3S,8R,9S,10R,13S,14S,16R)-10,13-dimethyl-7,17-dioxo-16-phenylselanyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester 在
双氧水 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
以42%的产率得到Propionic acid (4aS,4bR,8S,10aR,10bS,12aS)-10a,12a-dimethyl-2,5-dioxo-4a,4b,5,7,8,9,10,10a,10b,11,12,12a-dodecahydro-2H-1-oxa-chrysen-8-yl ester