mpg-C(3)N(4)-Catalyzed selective oxidation of alcohols using O(2) and visible light |
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Authors: | Su Fangzheng Mathew Smitha C Lipner Grzegorz Fu Xianzhi Antonietti Markus Blechert Siegfried Wang Xinchen |
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Affiliation: | International Joint Laboratory, State Key Laboratory Breeding Base of Photocatalysis, Fuzhou University, Fuzhou, 350002, PR China. |
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Abstract: | Mesoporous carbon nitride (mpg-C(3)N(4)) polymer can function as a metal-free photocatalyst to activate O(2) for the selective oxidation of benzyl alcohols with visible light, avoiding the cost, toxicity, and purification problems associated with corresponding transition-metal systems. By combining the surface basicity and semiconductor functions of mpg-C(3)N(4), the photocatalytic system can realize a high catalytic selectivity to generate benzaldehyde. The metal-free photocatalytic system also selectively converts other alcohol substrates to their corresponding aldehydes/ketones, demonstrating a potential pathway of accessing traditional mild radical chemistry with nitroxyl radicals. |
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