Palladium-catalyzed paraformaldehyde insertion: a three-component synthesis of benzofurans
作者:Xiufang Cheng、Yi Peng、Jun Wu、Guo-Jun Deng
DOI:10.1039/c6ob00198j
日期:——
An efficient procedure for 2-aroylbenzofuran preparation from 2-bromophenols, phenacyl bromides and paraformaldehyde is described. The cheap and stable paraformaldehyde served as the carbon source via an in situ formylation reaction.
描述了一种由2-
溴酚,
苯甲酰溴和多
聚甲醛制备2-芳基
苯并呋喃的有效方法。廉价的和稳定的多
聚甲醛担任作为碳源通过一个原位甲酰化反应。