Supporting VO(acac)۲ and MoO۲(acac)۲ onto amine and imine-functionalized natural diatomite nanoparticles: Efficient catalysts for epoxidation of olefins using TBHP
Publish place: Inorganic Chemistry Research، Vol: 6، Issue: 1
Publish Year: 1401
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_ICR-6-1_011
تاریخ نمایه سازی: 19 مهر 1401
Abstract:
AbstractThe natural diatomite nanoparticles (Dt) were covalently functionalized by ۳-(trimethoxysilyl)-propylamine (MSPA) and salicylaldehyde to support VO(acac)۲ and MoO۲(acac)۲ 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.
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Authors
Sahar Asadi
Department of Chemistry, Shahrood University of Technology, Shahrood, Iran
Bahram Bahramian
Department of Chemistry, Shahrood University of Technology, Shahrood, Iran
Vahid Mirdarvatan
Department of Chemistry, Shahrood University of Technology, Shahrood, Iran
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