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Selective Aerobic Oxidation of Primary Alcohols to Aldehydes over Nb2O5 Photocatalyst with Visible Light
Authors:Dr. Shinya Furukawa  Prof. Dr. Tetsuya Shishido  Dr. Kentaro Teramura  Prof. Dr. Tsunehiro Tanaka
Affiliation:1. Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Kyotodaigaku Katsura, Nishikyo‐ku, Kyoto 615‐8510 (Japan);2. Current address: Tokyo Institute of Technology, 2‐12‐1‐E1‐10 Ookayama, Meguro‐ku, Tokyo 152‐8550 (Japan);3. Department of Applied Chemistry, Tokyo Metropolitan University, Minami‐Osawa, Hachioji, Tokyo 192‐0397 (Japan);4. Elements Strategy Initiative for Catalysts & Batteries (ESICB), Kyoto University, 1‐30 Goryo‐Ohara, Nishikyo‐ku, Kyoto 615‐8245 (Japan);5. Precursory Research for Embryonic Science and Technology (PRESTO) (Japan) Science and Technology Agency (JST), Honcho Kawaguchi, Saitama 332‐0012 (Japan)
Abstract:Primary alcohols are selectively converted into aldehydes by using a Nb2O5 photocatalyst under visible‐light irradiation. A strong interaction between the alcohol and Nb2O5 generates a donor level within the forbidden band of Nb2O5, which provides a visible‐light‐harvesting ability. Over oxidation of aldehydes into carboxylic acids does not proceed under visible‐light irradiation.
Keywords:alcohols  aldehydes  Nb2O5  photooxidation  visible light
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