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