Electrochemical Oxidative [4+2] Annulation for the π‐Extension of Unfunctionalized Heterobiaryl Compounds
作者:Xia Hu、Lei Nie、Guoting Zhang、Aiwen Lei
DOI:10.1002/anie.202003656
日期:2020.8.24
biological activities, regioselective access to fused aromatic compounds is significantly important in the field of organic materials and pharmaceutical science. Herein, we developed electrochemical oxidative [4+2] annulation reactions of heterobiaryl compounds with alkynes or alkenes, leading to the formation of several polycyclic heteroaromatic compounds. This electrosynthetic methodology serves for
考虑到它们独特的电子特性和多样的生物活性,在有机材料和药物科学领域中,区域选择性地获得稠合的芳族化合物非常重要。在本文中,我们开发了杂联芳基化合物与炔烃或烯烃的电化学氧化[4 + 2]环氧化反应,从而导致形成多种多环杂芳族化合物。这种电合成方法可用于未官能化杂二芳基化合物的直接π延伸。消除了对其他氧化剂和原料预官能化的要求。通过原位产生杂二芳基自由基阳离子中间体,可以以高收率和优异的区域选择性获得各种稠合的芳族化合物。