Catalytic N‐Acylation of Cyclic Amines by Arylglyoxylic Acids via Radical‐Radical Cross‐Coupling
作者:Ajijur Rahaman、Anupam Kumar Singh、Aniket Gupta、Sukalyan Bhadra
DOI:10.1002/ejoc.202100381
日期:2021.4.22
A unique copper‐based catalyst system allows for the N‐acylation of cyclic amines by arylglyoxylic acids via radical‐radical cross‐coupling strategy. As evidenced by EPR, UV‐Vis, and mass spectrometric analysis, the amide linkage formation proceeds through a Cu(I)/Cu(II) catalytic cycle involving a twofold SET process.
独特的铜基催化剂体系可通过自由基-自由基交叉偶联策略使芳基乙醛酸对环胺进行N酰化。正如EPR,UV-Vis和质谱分析所证明的那样,酰胺键的形成过程通过涉及双重SET过程的Cu(I)/ Cu(II)催化循环进行。