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Issue 5, 2012
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mpg-C3N4 as a solid base catalyst for Knoevenagel condensations and transesterification reactions

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Abstract

Deprotonated mesoporous graphitic carbon nitride (mpg-C3N4) was achieved by a simple method of treatment of as-prepared materials with different basic aqueous solutions (K2CO3, KOH, tBuOK). The resultant polymeric materials show significantly enhanced basicity, while maintaining the original mesoporous structure. It was then used as a heterogeneous base catalyst for Knoevenagel condensations and transesterification reactions. Catalytic results show that the deprotonated mpg-C3N4 exhibits high efficiency for promoting these reactions as a solid and polymeric catalyst. The reactions between various aldehydes and malonic derivatives, alcohols and β-ketoesters could proceed smoothly in the presence of deprotonated mpg-C3N4. The catalyst could be recycled and reused for several runs without any loss of intrinsic catalytic activity.

Graphical abstract: mpg-C3N4 as a solid base catalyst for Knoevenagel condensations and transesterification reactions

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Publication details

The article was received on 08 Jan 2012, accepted on 06 Feb 2012 and first published on 15 Feb 2012


Article type: Paper
DOI: 10.1039/C2CY00012A
Citation: Catal. Sci. Technol., 2012,2, 1005-1009
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    mpg-C3N4 as a solid base catalyst for Knoevenagel condensations and transesterification reactions

    F. Su, M. Antonietti and X. Wang, Catal. Sci. Technol., 2012, 2, 1005
    DOI: 10.1039/C2CY00012A

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