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Visible light induced oxidative hydroxylation of boronic acids
- Ding, Aishun, Zhang, Yanbin, Chen, Yang, Rios, Ramon, Hu, Jianhua, Guo, Hao
- Tetrahedron letters 2019 v.60 no.9 pp. 660-663
- boronic acids, carbonates, catalysts, chemical structure, green chemistry, hydroxylation, organic compounds, solvents
- We report herein a visible light-induced aerobic oxidative hydroxylation of boronic acids. The reaction employed 7H-benzo[c]thioxanthen-7-one as metal-free catalyst and dimethyl carbonate as green solvent. Scale-up experiment was achieved using 0.1 mol% catalyst in a good yield with column-free purification. This reaction showed great green chemistry features and potential in synthetic applications.