Abstract
We report a novel catalyst system with an immobilized palladium metal‐containing magnetic nanoparticle core (ImmPd(0)‐MNPs) for the Heck reaction. ImmPd(0)‐MNPs was found to be an exceptionally mild and versatile catalyst for the Heck reaction of aryl iodides and bromides at room temperature. The catalyst was simply recovered using an external magnet from the reaction mixture and recycled six times. The results showed that the catalyst was very active and stable. Moreover, the reaction was carried out in water as a green and environmentally acceptable solvent. In terms of scope and mildness, ImmPd(0)‐MNPs is an improvement over previously reported catalysts for Heck coupling methods.
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