(1S,2S,4aR,6aR,6bR,8aR,10S,12aR,12bR,14aR,14bR)-1,2,6a,6b,9,9,12a-heptamethyl-3,15-dioxoicosahydro-2H-2,4a-(epoxymethano)picen-10-yl acetate 在
sodium hydride 作用下,
以
吡啶 、
苯 为溶剂,
反应 27.0h,
生成
((1S,2R,4aS,6aR,6bR,8aR,10S,12aR,12bR,14aR,14bS)-10-acetoxy-1,2,6a,6b,9,9,12a-heptamethyl-3,15-dioxoicosahydro-4H-2,4a-(epoxymethano)picen-4-ylidene)methyl acetate