A. Wolfson, Oshrat Levy‐Ontman
Sep 1, 2020
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Molecular Catalysis
Abstract
Abstract In the nanotechnology era, the synthesis of nanoparticles plays a vital role in a wide range of disciplinary fields. This review summarizes the more recent advances in the synthesis of renewable polysaccharide catalysts based on palladium nanoparticles that were developed to yield heterogeneous catalysts for the Suzuki cross-coupling of halobenzenes and phenylboronic acids. In addition, the review includes an in-depth comparison of the various methods and their catalytic performance results. In general, composite synthesis was done either by mixing metal salts with a polysaccharide or by anchoring a metal complex to a polysaccharide, both procedures that involve a subsequent reduction of the metal. The heterogeneous systems were tested in the Suzuki cross-coupling of halobenzenes and phenylboronic acids under conventional heating or microwave irradiation. All the systems showed high activity, and the catalysts could be easily recycled and reused.