期刊
GREEN CHEMISTRY
卷 17, 期 2, 页码 1308-1317出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4gc01833h
关键词
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资金
- National Natural Science Foundation of China [21203252]
- Chenguang Youth Science and Technology Project of Wuhan City [2014070404010212]
- Natural Science Foundation of Hubei Province [2014CFB180]
A new method for the selective aerobic oxidation of 5-hydroxymethylfurfural (HMF) into 2,5-furandicarboxylic acid (FDCA) has been developed employing a magnetically separable [gamma-Fe2O3@ HAP-Pd(0)] catalyst. The catalyst was prepared by the exchange of Pd2+ with Ca2+ in gamma-Fe2O3@ HAP, followed by reduction of the Pd2+ to Pd(0) nanoparticles, and well characterized by TEM, XRD and XPS. The catalyst showed high activity in the oxidation of HMF to FDCA in water, with 97% HMF conversion and a 92.9% yield of FDCA under optimal reaction conditions. The method developed has demonstrated some advantages, including its sole requirement of a stoichiometric base, and high catalytic performance under atmospheric oxygen, even in air. More importantly, the gamma-Fe2O3@ HAP-Pd(0) catalyst was readily separated from the reaction solution using an external magnetic field and was successfully reused during five consecutive reaction runs while retaining its catalytic effectiveness. This study provides a green and sustainable method for the production of valuable chemicals from renewable resources.
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