2-(4-methoxyphenyl)-2H-chromen-7-yl dimethylcarbamate 在
iron(III) chloride hexahydrate 作用下,
以
二氯甲烷 为溶剂,
反应 12.0h,
生成 (E)-5a-(4-methoxyphenyl)-11-(4-methoxystyryl)-5a,11,11a,12-tetrahydrochromeno[2,3-b]chromene-3,8-diyl bis(dimethylcarbamate) 、 (E)-5a-(4-methoxyphenyl)-11-(4-methoxystyryl)-5a,11,11a,12-tetrahydrochromeno[2,3-b]chromene-3,8-diyl bis(dimethylcarbamate)