Journal
INORGANICA CHIMICA ACTA
Volume 409, Issue -, Pages 302-309Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ica.2013.09.042
Keywords
C-C coupling reaction; Heck reaction; Magnetite iron oxide; Heterogeneous catalyst; Palladium; Oleic acid
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Funding
- Razi University Research Council
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The magnetic Fe3O4 nanoparticles were prepared by co-precipitation method and coated with oleic acid. The oleic acid coated Fe3O4 (Fe@OA) particles were used for the immobilization of palladium particles to produce Fe@OA-Pd. Catalyst was characterized by FTIR, XRD, SEM, TEM, VSM, elemental analysis and laser particle size analyzer. The catalytic behavior of Fe@OA-Pd nano particles was measured by the Heck coupling reaction of the various aryl halides (Ar-Br, Ar-Cl) with styrene. With respect to the electron-rich, electron-neutral, and electron-poor aryl halide, they reacted with styrene smoothly to provide the corresponding arylated olefins products in high to excellent yields in most cases. The magnetic catalyst was reused without loss of its high catalytic activity and low Pd leaching after four cycles. Metal leaching of the catalyst was further investigated by ICP-AES and AAS. (C) 2013 Elsevier B.V. All rights reserved.
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