3-<3',3',6',6'-di(ethylenedioxy)-3a'-methylperhydroinden-1'-yl>-1,1,5,5-di(ethylenedioxy)-7a-methyl-2,4,5,6,7,7a-hexahydro-1H-indene 在
硫酸 作用下,
以
丙酮 为溶剂,
反应 2.0h,
以94%的产率得到3-(3',6'-dioxo-3a'-methylperhydroinden-1'-yl)-7a-methyl-3a,4,5,6,7,7a-hexahydro-1H-indene-1,5-dione