Abstract
In this work, we prepared a new magnetically recoverable CoO catalyst through the deposition of the catalytic active metal nanoparticles of 2–3 nm on silica-coated magnetite nanoparticles to facilitate the solid separation from liquid media. The catalyst was fully characterized and presented interesting properties in the oxidation of cyclohexene, as for example, selectivity to the allylic oxidation product. It was also observed that CoO is the most active species when compared to Co2+, Co3O4 and Fe3O4 in the catalytic conditions studied.
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Acknowledgments
The authors are grateful to the Brazilian agencies FAPESP and CNPq, and to the INCT-Catalise for financial support. The electron microscopy work has been performed with the JEM-3010 ARP microscope at LNLS—Brazilian Synchrotron Light Laboratory/MCT (Campinas, Brazil).
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Silva, F.P., Jacinto, M.J., Landers, R. et al. Selective Allylic oxidation of Cyclohexene by a Magnetically Recoverable Cobalt Oxide Catalyst. Catal Lett 141, 432–437 (2011). https://doi.org/10.1007/s10562-010-0512-z
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DOI: https://doi.org/10.1007/s10562-010-0512-z