Regioselectively Electrochemical Synthesis of <i>N</i><sup>2</sup>-Selective C–H Amination of Ethers with <i>N</i>-Tosyl 1,2,3-Triazole via Triazole Radical Cation
作者:Cong Guan、Jiabin Yin、Jian Ji、Jinhua Liu、Xiang Wu、Tong Zhu、Shunying Liu
DOI:10.1021/acs.orglett.3c01896
日期:2023.7.21
A regioselective electrochemical C–H amination method to synthesize N2-substituted 1,2,3-triazole using easily accessible ethers has been developed. Various substituents, including heterocycles, have a good tolerance, and 24 examples were obtained in moderate to good yields. Control experiments and DFT calculation investigations demonstrate that the electrochemical synthesis undergoes a N-tosyl 1,2
开发了一种使用容易获得的醚合成N 2取代的 1,2,3-三唑的区域选择性电化学 C-H 胺化方法。包括杂环在内的各种取代基具有良好的耐受性,并以中等至良好的收率获得了 24 个实例。控制实验和DFT计算研究表明,电化学合成经历了由芳香族N-杂环的孤对电子的单电子转移促进的N-甲苯磺酰基1,2,3-三唑自由基阳离子过程,并且脱磺化是负责的高N 2 -区域选择性。