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Further Investigations on the Promoting Effect of Mesoporous Silica on Base-Catalyzed Aldol Reaction |
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| Authors: | Y. Kubota H. Yamaguchi T. Yamada S. Inagaki Y. Sugi T. Tatsumi |
| Affiliation: | 1. Division of Materials Science and Chemical Engineering, Faculty of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama, 240-8501, Japan 2. Department of Materials Science and Technology, Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan 3. Chemical Resources Laboratory, Tokyo Institute of Technology, Nagatsuta 4259, Midori-ku, Yokohama, 225-8503, Japan |
| Abstract: | Addition of an ordered mesoporous silica to a mixture of an aldol reaction, comprising 4-nitrobenzaldehyde with acetone catalyzed by organic amines, caused significant increase in the reaction rate to afford the β-hydroxyketone in high yield. A cooperative effect between the surface silanol and amine was considered to be the likely reason for the rate-enhancement, which was supported by FTIR spectroscopy. |
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