Nitrosonium Ion Catalyzed Oxidative Bromination of Arenes
作者:Pin‐Hsien Chen、Shu‐Jung Hsu、Duen‐Ren Hou
DOI:10.1002/adsc.202301200
日期:2024.4.9
A nitrosonium catalyzed bromination of electron-rich arenes has been developed, using bromide salts as bromine sources, oxygen gas as a terminal oxidant and Brønsted acids (sulfuric acid, TFA or HBr). This arene bromination process is free of transition metals, proceeding in aceticacid and under mild temperatures (25-50 °C) to give brominated arenes with good to excellent yields. Our mechanistic studies