Danny Verboekend, Tobias C. Keller, Sharon Mitchell and Javier Pérez-Ramírez Hierarchical FAU- and LTA-Type Zeolites by Post-Synthetic Design: A New Generation of Highly Efficient Base Catalysts Advanced Functional Materials 23
Hierarchical FAU and LTA-type zeolites are prepared through post-synthetic strategies and display exceptional performance in base catalysis. A thorough characterization demonstrates that the presence of a secondary level of mesoporosity facilitates the introduction of base functionality by alkali ion exchange or nitridation in ammonia. The enhanced activity in the Knoevenagel condensation of benzaldehyde with malononitrile emphasizes that, in the design of basic zeolite catalysts, auxiliary porosity plays a key role.
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