An efficient method to generate aryne intermediates from o-iodoaryl triflates triggered by triethylsilane and cesium fluoride is disclosed. This method realized the acylalkylation of arynes using easily available o-iodoaryl triflate-type precursors, which was difficult when using conventional nucleophilic activators. A wide range of (hetero)arenes including various fused benzothiazoles were successfully
公开了一种由三乙基
硅烷和
氟化铯引发的邻
碘芳基
三氟甲磺酸酯生成
芳烃中间体的有效方法。该方法使用容易获得的邻
碘代芳基
三氟甲磺酸酯型前体实现了
芳烃的酰基烷基化,这在使用常规亲核活化剂时是困难的。由于邻芳基
三氟甲磺酸酯具有良好的可及性和
芳烃中间体的发散转化性,因此成功地从邻
碘芳基
三氟甲磺酸酯中成功合成了各种杂
芳烃,包括各种稠合的
苯并噻唑。