(3S,4aR,4bR,5R,8S,8aR,10aS)-5-acetoxy-3,4,4a,4b,5,8,8a,9,10,10a-dodecahydro-3-hydroxy-1,1,4a,8-tetramethyl-7-vinylphenanthren-2(1H)-one 以
二氯甲烷 为溶剂,
反应 1.0h,
生成 Acetic acid (1S,4R,4aR,4bR,8aS,10aR)-1,4b,8,8-tetramethyl-6,7-dioxo-2-vinyl-1,4,4a,4b,5,6,7,8,8a,9,10,10a-dodecahydro-phenanthren-4-yl ester