Synthesis of a Magnetic Core-shell Fe3O4@Cu3(BTC)2 Catalyst and Its Application in Aerobic Olefin Epoxidation
Junying Hou , Chuanyuan Hou , Jianchang Li , Jianjun Hao
Chemical Research in Chinese Universities ›› 2023, Vol. 39 ›› Issue (6) : 1044 -1050.
Synthesis of a Magnetic Core-shell Fe3O4@Cu3(BTC)2 Catalyst and Its Application in Aerobic Olefin Epoxidation
Olefin epoxidation is a fundamental reaction in organic chemistry. Herein, a novel magnetic core-shell Fe3O4@Cu3(BTC)2 metal-organic framework(MOF) heterogeneous catalyst was synthesized for the use in olefin epoxidation. Additionally, the size selectivity of the Fe3O4@Cu3(BTC)2 catalyst in olefin epoxidation was investigated. Scanning electron microscopy(SEM) and transmission electron microscopy(TEM) results indicated that Fe3O4@Cu3(BTC)2 presented a microsphere morphology, and Cu3(BTC)2 MOFs were well dispersed on the Fe3O4(PAA) surface after 10 cycles of the synthesis process. The synthesized magnetic core-shell Fe3O4@Cu3(BTC)2 heterogeneous catalyst could facilitate efficient aerobic olefin epoxidation. Furthermore, the catalyst was used in the aerobic oxidation of alcohols and was found to exhibit excellent activity for primary alcohols.
Core-shell / Metal-organic framework(MOF) / Heterogeneous catalyst / Molecular oxygen / Olefin epoxidation / Alcohol oxidation
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