A Novel C-N Migration Rearrangement Based on N-F Compounds for the Synthesis of <i>N</i>
-Alkyl Diaryl Ureas
作者:Yi-Xiao Zhao、Tian Xie、San-Ke Yang、Xian-Jin Yang
DOI:10.1002/ejoc.201901602
日期:2020.1.31
A novel aryl C–N shift rearrangement reaction to form alkyl diaryl ureas from facilely available FPSBA derivatives was developed. FPSBA selectively reacted with secondary alkyl phenylamines to afford unsymmetrical alkyl diaryl ureas in good yields through a vicinal SN2′ mechanism rather than the traditional isocyanate intermediate pathway.
开发了一种新型的芳基C–N移位重排反应,可从容易获得的FPSBA衍生物形成烷基二芳基脲。FPSBA通过仲S N 2'机理而不是传统的异氰酸酯中间体途径与仲烷基苯胺选择性反应,以高收率提供不对称的烷基二芳基脲。