Abstract
AbstractThe Fe3O4−Pd nanoparticles catalyzed Heck coupling reaction in triethanolamine was performed for the first time in absence of any external ligand. The Fe3O4−Pd/triethanolamine/100 °C catalytic system was found to be highly active in achieving good to excellent yields of the desired (E)‐alkenes. Both acrylates and styrene derivatives were successfully coupled with electron‐rich and electron‐deficient aryl iodides. The scope of the reaction was also expanded to less reactive aryl bromides and aryl chlorides albeit in lower yields. A number of functional groups were well tolerated. More significantly the catalyst showed good recyclability and can be reused up to four consecutive cycles without any decrease in catalytic activity.
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