Regioselective bromination of aryl ureas with Phenyliodine(III) diacetate and potassium bromide
作者:Chun-Meng Wang、Jian-Yao Du、Jin-Yang Zhang、Kai-Xiang Tang、Tian-Hong Gao、Yun-Gen Xu、Li-Ping Sun
DOI:10.1016/j.tet.2019.130621
日期:2019.11
An efficient regioselective and operationally simple urea bromination method utilizing PIDA and potassium bromide is reported. This protocol proved to be effective on a broad range of substituted ureas in acetone at room temperature, forming the p-brominated compounds in 44–86% yields.