Journal
CATALYSIS SCIENCE & TECHNOLOGY
Volume 2, Issue 5, Pages 1005-1009Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2cy00012a
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Funding
- National Natural Science Foundation of China [21033003, 21173043]
- Max Planck Society
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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 beta-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.
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