methyl 2-(1,3-dioxoisoindolin-2-yl)-1-(3-methyl-1H-indole-1-carbonyl)cyclopropane-1-carboxylate 在
indium(III) triflate 作用下,
以
1,2-二氯乙烷 为溶剂,
反应 8.0h,
生成 methyl 9-(1,3-dioxoisoindolin-2-yl)-10-methyl-6-oxo-6,7,8,9-tetrahydropyrido[1,2-a]indole-7-carboxylate 、 methyl 9-(1,3-dioxoisoindolin-2-yl)-10-methyl-6-oxo-6,7,8,9-tetrahydropyrido[1,2-a]indole-7-carboxylate