Synthesis of Magnetically Separable Nanocatalyst CoFe2O4@SiO2@MIL-53(Fe) for Highly Efficient and Selective Oxidation of Alcohols and Benzylic Compounds with Hydrogen Peroxide

摘要

A new methodology for the highly efficient and atom- economic oxidation of alcohols and benzylic compounds to the corresponding aldehydes and ketones with environmental- friendly hydrogen peroxide using a magnetic MOF nanocatalyst has been developed. We demonstrated that the resulting magnetic nanocomposite CoFe2O4@SiO2@MIL-53(Fe) can show excellent catalytic performances in the highly selective oxida- tion at room temperature, based on a synergetic effect between iron sites and CoFe2O4@SiO2. The nanocatalyst offers simple operation for recovery and the recycling test showed that it could be reused for successive runs without significant degradation in catalytic activity.