串联
化学
光化学
猝灭(荧光)
催化作用
级联反应
光催化
功能群
荧光
反应条件
亚硫酸
组合化学
有机化学
材料科学
物理
复合材料
量子力学
聚合物
作者
Zhiwei Wang,Qishun Liu,Ruisheng Liu,Zhongyin Ji,Yan Li,Xiaohui Zhao,Wei Wei
标识
DOI:10.1016/j.cclet.2021.08.036
摘要
A mild and efficient photochemical multi-component tandem reaction of quinoxalin-2(1H)-ones, alkenes and sulfinic acids is reported. This tandem reaction could be conveniently carried out at room temperature by employing 4CzIPN as the metal-free photocatalyst and dioxygen (air) as the environmentally benign oxidant. A number of sulfonated quinoxalin-2(1H)-ones were obtained in satisfactory yields with favorable functional group tolerance. Radical trapping experiment and fluorescence quenching experiments were performed to elucidate this visible-light mediated radical reaction process.
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