Heterogeneous Organic Base-Catalyzed Reactions Enhanced by Acid Supports
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- Ken Motokura
- Department of Chemistry, Graduate School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
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- Mizuki Tada
- Department of Chemistry, Graduate School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
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- Yasuhiro Iwasawa
- Department of Chemistry, Graduate School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
書誌事項
- 公開日
- 2007-07-13
- DOI
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- 10.1021/ja0704333
- 公開者
- American Chemical Society (ACS)
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説明
Amorphous silica-alumina-supported amines (SA-NR2) were found to be excellent heterogeneous catalysts for a variety of carbon−carbon bond-forming reactions, such as cyano-O-ethoxycarbonylation, Michael reaction, and nitro-aldol reaction. These reactions were hard to proceed either with amines alone or on the SA alone. Solid-state 13C MAS NMR analysis revealed the acid−base interaction of the H+ site and amine group on the SA-NR2 surface, which makes an acid−base dual activation mechanism possible for carbon−carbon bond-forming reactions.
収録刊行物
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- Journal of the American Chemical Society
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Journal of the American Chemical Society 129 (31), 9540-9541, 2007-07-13
American Chemical Society (ACS)
