Supporting VO(acac)2 and MoO2(acac)2 onto amine and imine-functionalized natural diatomite nanoparticles: Efficient catalysts for epoxidation of olefins using TBHP

Document Type : Research Paper


Department of Chemistry, Shahrood University of Technology, Shahrood, Iran



The natural diatomite nanoparticles (Dt) were covalently functionalized by 3-(trimethoxysilyl)-propylamine (MSPA) and salicylaldehyde to support VO(acac)2 and MoO2(acac)2 precursor complexes. The prepared compounds were characterized by FT-IR, PXRD, SEM, EDX, ICP, and BET techniques. Then they were used to catalyze the heterogeneous epoxidation of cis‐cyclooctene as a model alkene using tert-butyl hydroperoxide (TBHP). Various parameters that affect catalytic efficiency were investigated, and the optimized experimental conditions were successfully used for the epoxidation of other linear and non-linear alkenes. The important advantages of these new catalytic systems are their simple preparation, low catalyst loading, and high product yield. Moreover, these catalysts can be used up to three times for an efficient epoxidation of cis‐cyclooctene.

Graphical Abstract

Supporting VO(acac)2 and MoO2(acac)2 onto amine and imine-functionalized natural diatomite nanoparticles: Efficient catalysts for epoxidation of olefins using TBHP


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Volume 6, Issue 1
Spring and Summer; Special Issue: In Memory of Prof. Mehdi Rashidi
Pages 84-92
  • Receive Date: 11 June 2022
  • Revise Date: 07 July 2022
  • Accept Date: 09 July 2022
  • First Publish Date: 09 July 2022