A metal-free, three-component process for the C2-functionalization of N-alkylated imidazoles is reported The multicomponent manifold operates under ‘on water’ conditions through the formation of a water-stable (permanent) nucleophilic imidazole carbene (imidazolium ylide). Whereas the incorporated vinyl ether functionality is a convenient handle for further chemical manipulation of the functionalized heterocycle (complexity generation), the use of water as the reaction media gives it a bonus of added benefits in terms of safety, bench-friendly processing and environmental care.
报道了一种无
金属的三组分反应过程,用于对N-烷基
咪唑的C2位进行功能化。该多组分体系在“
水相”条件下运行,通过形成
水稳定的(永久性)亲核
咪唑卡宾(
咪唑铵亚胺)。集成的
乙烯醚功能团为功能化杂环的进一步
化学操作(复杂性生成)提供了便利的操作手段,而使用
水作为反应介质则在安全性、实验室友好性和环保方面带来了额外的好处。