Abstract
Palladium nanoparticles supported on EDTA-modified Fe3O4@SiO2 NPs as an efficient and magnetically reusable nanocatalyst was applied for the Heck cross-coupling reactions. The catalyst was very effective for the Heck reaction of aryl halides (iodides, bromides, and chlorides) with alkenes and conversion was excellent in most cases with higher TOF (turn over frequency). Moreover, the catalyst could be recycled for eight runs without any significant loss of catalytic activity, showing its superiority over homogeneous catalysts for industrial and chemical applications. Also, the leaching of the catalyst has been examined by a hot filtration test and ICP analysis.
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