A green and efficient visible-light promoted aerobic oxidative C–C bond cleavage of vicinal diols in micellar medium has been developed. This protocol used graphitic carbon nitride with nitrogen vacancies (CN620) as a metal-free recyclable photocatalyst and CTAB as surfactant in water. Control experiments and the ESR results indicated that superoxide radicals and valence band holes played an important role in the reaction. Further isotope experiments suggested both a β-scission/HAT pathway and an oxidation/hydrolysis/dehydration pathway for the reaction, which is different from previous reports. The semiconductor/micellar catalyst system can be recycled at least 10 times without a significant reduction in activity. Furthermore, this reaction could be carried out under solar light irradiation and was applicable to large-scale reactions with similar results.

中文翻译：

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多相氮化碳光催化剂在好氧胶束介质中邻二元醇的CC键氧化裂解

已经开发了绿色高效的可见光促进胶束介质中邻二醇的好氧氧化C–C键裂解。该协议使用具有氮空位的石墨氮化碳（CN620）作为无金属可循环使用的光催化剂，而CTAB作为水中的表面活性剂。对照实验和ESR结果表明，超氧自由基和价带孔在反应中起重要作用。进一步的同位素实验提出了反应的β-分裂/ HAT途径和氧化/水解/脱水途径，这与以前的报道不同。半导体/胶束催化剂体系可以循环使用至少10次，而不会显着降低活性。此外，