Preparation of Dicationic Ionic Liquid Immobilized on Fe₃O₄@SiO₂ and Evaluation of its Catalytic Efficiency in the Oxidation of Alcohols

Abstract

A novel magnetic supported dicationic ionic liquid namely Fe 3 O 4 @SiO 2 ⋅DIL has been prepared, and characterized by various analysis methods such as FT-IR, TEM, SEM, XRD, EDX, EDX mapping, and TGA. Afterward, catalytic activity of the Fe 3 O 4 @SiO 2 ⋅DIL has been examined in alcohols oxidation reaction. The resulting new nanocomposite as a heterogeneous catalyst displayed remarkable activity for the oxidation of various alcohols using H 2 O 2 under mild reaction conditions. Eventually, the as-prepared Fe 3 O 4 @SiO 2 ⋅DIL catalyst was also stable and reused at least five times without losing its catalytic activity and selectivity. Magnetic recoverability of the catalyst, high yields, good compliance with green chemistry protocols and economical are some advantages of the work.

Preparation of Core/Shell Fe3O4@SiO2 ⋅ DIL as a Magnetically Separable Catalyst for the Synthesis of 1, 8‐Dioxodecahydroacridine

“…According to our previous research, we found that effectively synthesized core/shell Fe 3 O 4 @SiO 2 ⋅ DIL can be used as a highly efficient catalyst in the selective oxidation reaction of alcohols under mild conditions [50] . These results encouraged the authors to study the catalytic performance in other reaction, herein we report a simple and effective method for the synthesis of 1, 8‐dioxodecahydroacridine in the presence of the core/shell Fe 3 O 4 @SiO 2 ⋅ DIL.…”