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Visible-light-promoted aerobic oxidative synthesis of β-ketosulfones under photocatalyst-free conditions
- Lv, Yufen, Liu, Qishun, Liu, Fei, Yue, Huilan, Li, Jiang-Sheng, Wei, Wei
- Tetrahedron letters 2019
- alkynes, chemical reactions, chemical structure, oxygen, photochemistry
- A simple and convenient visible-light-mediated method has been developed for the construction of β-ketosulfones via aerobic oxidative difunctionalization of alkynes with arylazo sulfones and dioxygen in air under photocatalyst-free conditions. The present photochemical methodology provides a facile and attractive protocol to construct a series of β-ketosulfones in moderate to good yields.