期刊
RSC ADVANCES
卷 7, 期 81, 页码 51142-51150出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ra09005f
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资金
- Beijing Natural Science Foundation [2172037]
- National Natural Science Foundation of China [51503016]
- Fundamental Research Funds for the Central Universities [FRF-TP-16-004A3]
- State Key Laboratory of Chemical Resource Engineering
A novel magnetic Fe3O4@P4VP(poly(4-vinylpyridine))@FeCl3 core-shell structure was successfully synthesized. Its Fe3O4@P4VP core was initially prepared via polymerization of 4-vinyl pyridine on the surface of Fe3O4 microspheres. The successful introduction of the FeCl3 moiety as a catalytic active site was achieved through coordination interaction between P4VP and FeCl3. The obtained Fe3O4@P4VP@FeCl3 catalyst was applied in the selective oxidation of alcohols using molecular oxygen as the oxidant. It was shown that a variety of alcohol substrates is tolerated under optimized reaction conditions. Additionally, benzylic oxidation of hydrocarbon compounds was also evaluated using Fe3O4@P4VP@FeCl3 as the catalyst and tBuOOH as the oxidant, achieving high yields and very good selectivities. The heterogeneity of the Fe3O4@P4VP@FeCl3 core-shell catalyst was tested and the initial activity was maintained after five reuses.
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