Bifunctional metal-free photo-organocatalysts for enantioselective aerobic oxidation of β-dicarbonyl compounds |
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| Authors: | Xiao-fei Tang Shi-hao Feng Ya-kun Wang Fan Yang Ze-hao Zheng Jing-nan Zhao Yu-feng Wu Hang Yin Guang-zhi Liu Qing-wei Meng |
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| Institution: | 1. State Key Laboratory of Fine Chemicals, School of Pharmaceutical Science and Technology, Dalian University of Technology, Dalian 116024, PR China;2. School of Pharmacy, Xinxiang Medical University, Xinxiang 453003, PR China |
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| Abstract: | A series of bifunctional metal-free photo-organocatalysts have been developed by grafting the photosensitizer to cinchona-derived phase-transfer catalysts. Using air as a green oxidant and visible light as the driving force, these catalysts are applied to the oxidation of a range of β-dicarbonyl compounds in good yields (up to 97%) and enantioselectivities (up to 93:7 er). |
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| Keywords: | Photo-organocatalyst Bifunctional Visible-light Metal-free Oxidation |
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