Photocatalyzed redox-neutral decarboxylative alkylation of heteroaryl methanamines
作者:Pengfei Niu、Jingya Yang、Yong Yuan、Yongxin Zhang、Chenxing Zhou、Xiazhen Bao、Congde Huo
DOI:10.1039/d0gc04094k
日期:——
NHPI esters derived from aliphatic carboxylic acids has been developed. By employing a copper complex as a photocatalyst with blue LED irradiation, NHPI esters underwent one-electron reduction and heteroaryl methenamine derivatives underwent one-electron oxidation in one photo-redox catalytic cycle to form radical intermediates, respectively, followed by the recombination of these two radicals to form
已经开发了杂芳基甲胺与衍生自脂族羧酸的NHPI酯的氧化还原-中性脱羧偶联反应。通过将铜配合物用作蓝色LED照射的光催化剂,NHPI酯在一个光氧化还原催化循环中分别进行了一次电子还原和杂芳基二甲胺衍生物进行了一次电子氧化,以形成自由基中间体,然后将两者重组形成新的CC键的自由基。通过不同种类的杂芳族化合物以及伯,仲和叔烷基羧酸的转化来说明该方法。可以扩大反应规模,并可以回收NHPI。同样,反应可以一锅法原位活化方式进行。