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Ca-Containing Mesoporous Silica as a Solid Base Catalyst for the Knoevenagel Condensation Reaction

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Abstract

We synthesized Ca-containing FSM-16 (Ca-FSM-16) for use as a solid base catalyst for the Knoevenagel condensation reaction. Extended X-ray absorption fine structure (EXAFS) results indicated that Ca species were introduced as a calcium silicate-like phase with distorted tetrahedral coordination into the pore walls of FSM-16. Compared with conventional aminopropyl-functionalized mesoporous silica, Ca-FSM-16 showed higher activity as a solid-base catalyst for the Knoevenagel condensation reaction.

Graphical Abstract

Ca-containing mesoporous silica (Ca-FSM-16) was synthesized for use as a solid base catalyst for the Knoevenagel condensation reaction.

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Acknowledgements

This study was partially supported by the Saneyoshi Fund, Japan Science and Technology Agency (JST), Nippon Sheet Glass Foundation for Materials Science and Engineering, and Grant-in-Aid for Young Scientists (B) of the Ministry of Education, Culture, Sports, Science and Technology (22760601).

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Authors and Affiliations

  1. Department of Applied Chemistry and Biochemistry, Graduate School of Science and Technology, Kumamoto University, 2-39-1 Kurokami, Kumamoto, 860-8555, Japan

    Keita Ikeue, Nao Miyoshi, Takayuki Tanaka & Masato Machida

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  1. Keita Ikeue
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  2. Nao Miyoshi
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  3. Takayuki Tanaka
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  4. Masato Machida
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Correspondence to Keita Ikeue.

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Ikeue, K., Miyoshi, N., Tanaka, T. et al. Ca-Containing Mesoporous Silica as a Solid Base Catalyst for the Knoevenagel Condensation Reaction. Catal Lett 141, 877–881 (2011). https://doi.org/10.1007/s10562-011-0613-3

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  • DOI: https://doi.org/10.1007/s10562-011-0613-3

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