N-Heterocyclic Carbene/Potassium Ion Cooperatively Catalyzed Phenylation Reactions of α,β-Unsaturated Acylazoliums
作者:Jinhua Zheng、Kejie Zhu、Yaofeng Yuan、Jiajia Cheng
DOI:10.1002/ejoc.201600838
日期:2016.9
catalytic phenylation reaction of α,β‐unsaturated acylazoliums was developed. A combination of N‐heterocyclic carbene and potassium ion cooperatively catalyzed the cyclization of α,β‐unsaturated acylazoliums with phenolates, which are directly generated from α,β‐unsaturated phenolic esters. Mechanistic studies demonstrated that the potassium ion plays a vital role in this reaction.
开发了α,β-不饱和酰基的催化苯基化反应。N-杂环卡宾和钾离子的结合可协同催化α,β-不饱和酰基zo与酚盐的环化,酚盐直接由α,β-不饱和酚盐产生。机理研究表明,钾离子在该反应中起着至关重要的作用。