Journal
SYNLETT
Volume 30, Issue 6, Pages 699-702Publisher
GEORG THIEME VERLAG KG
DOI: 10.1055/s-0037-1612076
Keywords
metal-organic frameworks; magnetic nanocatalyst; Knoevenagel condensation; cooperative catalysis; heterogeneous catalysis; iron catalysis
Categories
Funding
- National Natural Science Foundation of China [21506115]
- Excellent Dissertation of China Three Gorges University [2018SSPY055]
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A range of multifunctional magnetic metal-organic framework nanomaterials consisting of various mass ratios of the metal-organic framework MIL-53(Fe) and magnetic SiO (2) @NiFe (2) O (4) nanoparticles were designed, prepared, characterized, and evaluated as heterogeneous catalysts for the Knoevenagel condensation. The as-fabricated nanomaterials, especially the nanocatalyst MIL-53(Fe)@SiO (2) @NiFe (2) O (4) (1.0), showed good catalytic performance in the Knoevenagel condensation at room temperature as a result of synergistic interaction between the Lewis acid iron sites of MIL-53(Fe) and the active sites of the magnetic SiO (2) @NiFe (2) O (4) nanoparticles. In addition, the heterogeneous catalyst was readily recovered and a recycling test showed that it could be reused for five times without significant loss of its catalytic activity, making it economical and environmentally friendly.
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