Abstract
The Heck reaction is one of the most studied coupling reactions and is recognized with the Nobel Prize in Chemistry. Several research articles, reviews, and books have been published on Heck’s reaction. Most of the book chapters and reviews are describing the various features of the Heck reaction. Industrial catalysts with broad applicability need a continuous catalyst development process through modification of ligand design, geometry, and functionality. Recently, catalysts have been synthesized by anchoring active palladium species on the surface of polymer support, particularly insoluble in a reaction medium. An appropriate mixture of palladium salt and ligand is also used as an important modification in some cases to get better results. Considering the same, we successfully synthesized and further characterized Pd-MMT clay before going to test them as a catalyst for the Mizoroki-Heck reaction. The highest yield of the Mizoroki-Heck reaction product was recovered using thermally stable and highly reactive Pd-MMT-1 clay catalyst in the functionalized reaction medium. Seven times catalyst recycling is the added advantage of this proposed protocol.
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