1-(5-methoxy-2-methyl-benzo[b]thiophen-3-yl)-2-(6'-methoxy-2'-methylbenzo[b]thiophen-3'-yl)hexafluorocyclopentene 在
三溴化硼 作用下,
以
二氯甲烷 为溶剂,
反应 6.0h,
以91%的产率得到1-(5-hydroxy-2-methylbenzo[b]thiophen-3-yl)-2-(6'-hydroxy-2'-methylbenzo-[b]thiophen-3'-yl)hexafluorocyclopentene