作者:Polpum Onnuch、Kranthikumar Ramagonolla、Richard Y. Liu
DOI:10.1126/science.adl5359
日期:2024.3
The Suzuki–Miyaura and Buchwald–Hartwig coupling reactions are widely used to form carbon-carbon (C–C) and carbon-nitrogen (C–N) bonds, respectively. We report the incorporation of a formal nitrene insertion process into the Suzuki–Miyaura reaction, altering the products from C–C–linked biaryls to C–N–C–linked diaryl amines and thereby joining the Suzuki–Miyaura and Buchwald–Hartwig coupling pathways
Suzuki-Miyaura 和 Buchwald-Hartwig 偶联反应分别广泛用于形成碳-碳(C-C)和碳-氮(C-N)键。我们报告了将正式的氮宾插入过程纳入铃木-宫浦反应中,将产物从C-C-连接的联芳基改变为C-N-C-连接的二芳基胺,从而加入铃木-宫浦和Buchwald-Hartwig偶联途径到相同的起始材料类别。钯上的大体积辅助膦配体与市售胺化试剂的组合能够实现芳基卤化物和拟卤化物、硼酸和酯以及许多官能团和杂环的有效反应性。机理见解揭示了成键事件顺序的灵活性,表明胺交叉偶联概念具有扩展的潜力,以涵盖不同的亲核试剂和亲电子试剂以及四组分变体。