Study on Synthesis of Acid-Washed Illite Supported Fe3O4 Nanometer Catalyst and Baeyer–Villiger Oxidation Reaction of Cyclohexanone

  • Yong Yang
  • Dongdong Guan
  • Yu Liu
  • Shuang Chen
  • Wan Meng
  • Nanzhe JiangEmail author


Baeyer–Villiger oxidation allows for effective control of the stereochemical structure of the product, which is a significant feature for functional group conversion and ring expansion in organic synthesis. In this study, Fe3O4 nanoparticles were loaded on acid-washed porous illite silicon slag (I-SR) using an in situ hydrothermal method to obtain the magnetic composite Fe3O4@I-SR. This composite was characterized by X-ray diffraction, transmission electron microscopy, scanning electron microscopy, N2 adsorption–desorption isotherm measurements, vibrating sample magnetometer analysis, etc. The results indicated that the Fe3O4 nanoparticles had a face-centered cubic lattice geometry with an average size of about 10 nm; the nanoparticles were uniformly dispersed on the surface of the carrier (I-SR) and exhibited strong paramagnetism. Fe3O4@I-SR composite was found to be a promising and efficient catalyst with high activity (> 99% cyclohexanone conversion and > 99% ε-caprolactone selectivity) for the Baeyer–Villiger of cyclohexanone to ε-caprolactone. The catalyst could be easily separated from the reaction mixture and reused many times. Thus, Fe3O4@I-SR is an attractive multiphase catalyst that is easy to handle and recycle under environmentally friendly reaction conditions.

Graphical Abstract


Illite Fe3O4 Baeyer–Villiger oxidation 



Illite silicon slag


Face-centered cubic


X-ray diffraction


Transmission electron microscopy


Scanning electron microscopy


X-ray fluorescence


Fourier transform infrared





This work was supported by the National Natural Science Foundation of China (Grant No. 21661031 and No. 21263026).


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • Yong Yang
    • 1
  • Dongdong Guan
    • 1
  • Yu Liu
    • 1
  • Shuang Chen
    • 1
  • Wan Meng
    • 1
    • 2
  • Nanzhe Jiang
    • 1
    • 2
    Email author
  1. 1.Department of Chemistry, College of ScienceYanbian UniversityYanjiChina
  2. 2.Department of Chemical Engineering and Technology, College of EngineeringYanbian UniversityYanjiChina

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