This review discusses the results of the application of efficient and recyclable palladium catalysts providing highly selective product formation in the Heck reaction. Such green approach promises to result in new catalysts with properties similar to those of homogeneous palladium complexes and environmentally benign protocols. The review focuses on new, exciting results disclosed during the last 5 years.
Keywords: Heck coupling, heterogeneous catalysis, homogeneous catalysis, palladium catalyst, recycling, coupling reactions, catalyst recycling, alkenylation of aromatic compounds, immobilized palladium complexes, silica materials
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