methyl 2-(4-methoxyphenyl)-1-(1-methyl-1H-indole-2-carbonyl)cyclopropanecarboxylate 在
indium(III) triflate 作用下,
以
二氯甲烷 为溶剂,
反应 5.5h,
生成 methyl 4-(4-methoxyphenyl)-9-methyl-1-oxo-2,3,4,9-tetrahydro-1H-carbazole-2-carboxylate 、 methyl 4-(4-methoxyphenyl)-9-methyl-1-oxo-2,3,4,9-tetrahydro-1H-carbazole-2-carboxylate