Visible Light Photoredox-Catalyzed Direct C–H Arylation of Quinoxalin-2(1<i>H</i>)-ones with Diaryliodonium Salts
作者:Raj K. Samanta、Prahallad Meher、Sandip Murarka
DOI:10.1021/acs.joc.2c01234
日期:2022.8.19
photoredox-catalyzed direct arylation of quinoxalin-2-(1H)-ones using diaryliodonium triflates as the convenient, stable, and cheap aryl source is described. A broad variety of quinoxalin-2-(1H)-ones are shown to react with structurally and electronically diverse diaryliodonium triflates, allowing efficient access to a wide variety of pharmaceutically important 3-arylquinoxalin-2-(1H)-ones. The presented method
描述了使用二芳基碘鎓三氟甲磺酸盐作为方便、稳定和廉价的芳基来源的 quinoxalin-2-(1 H )-ones 的光氧化还原催化直接芳基化。多种 quinoxalin-2-(1 H )-ones 可与结构和电子不同的二芳基碘鎓三氟甲磺酸盐反应,从而可以有效地获得多种药学上重要的 3-arylquinoxalin-2-(1 H )-ones。所提出的方法在操作简单、条件温和、范围广、可扩展性和高官能团耐受性方面具有吸引力。