《Table 3Scope of alcohols a.》

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《可见光催化喹喔啉-2(1H)-酮与醇C(sp~2)-H/O-H交叉脱氢偶联反应（英文）》

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In conclusion，we have reported for the first time，a visi‐ble‐light photocatalytic C（sp2）‐H/O‐H cross‐dehydrogenation coupling of quinoxalin‐2（1H）‐ones and alcohols employing ambient air as an oxidant at room temperature，providing an eco‐friendly and efficient route to access a wide range of3‐alkoxylquinoxalin‐2（1H）‐ones.The easily available raw ma‐terials，low catalyst loading（2 mol%），excellent functional group tolerance，sustainable dioxygen oxidant，metal‐free reac‐tion conditions，good to excellent yields，excellent at‐om‐economy，and scalability of the present photocatalytic reac‐tion make it very attractive in the pharmaceutical industry and for organic synthesis.