Heterogeneous Catalysis Using MOFs

Heterogeneous Catalysis Using MOFs

Author: ChemPlusChem

Palladium-catalyzed Heck reactions between aryl halides and olefins are traditionally carried out through homogeneous catalysis using palladium salts or organometallic complexes that are sensitive to moisture and air. To overcome such problems a heterogeneous method has been developed by Rong Cao and co-workers, Chinese Academy of Science.

The use of metal-organic frameworks (MOFs) for catalytic applications has not often been realized. However, these researchers used an innovative approach to prepare amine-functionalized mixed-linker MOFs based on MIL-53(Al) to immobilize palladium nanoparticles for catalytic applications. These highly stable nanoparticles show efficient catalytic activity in Heck reactions and can be easily recovered and reused. In addition, the nanoparticles were characterized by powder X-ray diffraction, N2 adsorption, transmission electron microscopy, inductively coupled plasma atomic emission spectroscopy, and X-ray photoelectron spectroscopy.

Image: © Wiley-VCH

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