作者:Li-Yu Zhang、Chen Zhang、Tao Wang、Yu-Long Shi、Meng-Tao Ban、Dong-Mei Cui
DOI:10.1021/acs.joc.8b02150
日期:2019.1.18
of 2-amine-[1,3,5]triazines and aryl nitriles for the synthesis of [1,2,4]triazolo[1,5-a][1,3,5]triazines via N–C bond formation and oxidative N–N coupling [oxidative 3 + 2 cyclization] is presented. A wide range of aryl nitriles, including electron-rich benzonitriles, electron-poor benzonitriles, 2-cyanothiophene, and 4-cyanopyridine, were all functionalized with 2-amine-[1,3,5]triazines. Furthermore
铜催化的2-胺-[1,3,5]三嗪和芳基腈的分子间环化反应,通过N合成[1,2,4]三唑[1,5- a ] [1,3,5]三嗪介绍了–C键的形成和氧化性N–N偶联[氧化性3 + 2环化]。各种各样的芳基腈,包括富含电子的苯甲腈,贫电子的苯甲腈,2-氰基噻吩和4-氰基吡啶,都被2-胺-[1,3,5]三嗪官能化。此外,还证明了通过铜催化的苯乙腈的C-CN键裂解,使2-胺-[1,3,5]三嗪发生酰胺化。该反应以中等至令人满意的产率发生,并且耐受烷基或芳基取代的2-胺-[1,3,5]三嗪。苯胺,氨基吡啶和氨基嘧啶也提供了所需的产物。