Three‐Component Reaction of
<i>p</i>
‐Quinone Monoacetals, Amines and Diarylphosphine Oxides to Afford
<i>m‐</i>
(Phosphinyl)anilides
作者:Ruwei Shen、Xin Wang、Shunlin Zhang、Chao Dong、Dunru Zhu、Li‐Biao Han
DOI:10.1002/adsc.201901421
日期:2020.2.21
The three‐component reaction of p‐quinone monoacetals, amines and diarylphosphine oxides is developed to afford m‐(diarylphosphinyl)anilides in moderate to high yields. The reaction may proceed via a process involving phospha‐nucleophilic addition to an iminoquinone acetal intermediate and/or carbonyl‐amine condensation with a phosphinyl enone intermediate.
对苯二酚单缩醛,胺和二芳基膦氧化物的三组分反应得以发展,从而以中等至高收率提供了间二芳基膦基苯胺。该反应可以通过以下过程进行:将膦酰基亲核试剂加至亚氨基醌缩醛中间体和/或羰基胺与次膦酰基烯酮中间体的缩合反应。