methyl 2-phenyl-1-(thiophene-2-carbonyl)cyclopropanecarboxylate 在
indium(III) triflate 作用下,
以
1,2-二氯乙烷 为溶剂,
反应 6.0h,
生成 methyl 7-oxo-4-phenyl-4,5,6,7-tetrahydrobenzo[b]thiophene-6-carboxylate 、 methyl 7-oxo-4-phenyl-4,5,6,7-tetrahydrobenzo[b]thiophene-6-carboxylate