Selective oxidation of sulfides and hydrocarbons with H_2O_2 over manganese catalyst supported on nanoparticles

Authors: MASSOMEH GHORBANLOO, Roghayeh Tarasi, JUN TAO, Hidenori Yahiro

Abstract: A new magnetically separable catalyst consisting of binuclear Mn(II) complex [Mn_2(HL)_2(H_2O)_4], HL = 2-[(2-hydroxy-benzylidene)-amino]-3-(4-hydroxyphenyl)-propionic acid, supported on (3-chloropropyl)-trimethoxysilane (CPTMS) functionalized silica-coated magnetic nanoparticles (MNPs) was prepared. The synthesized catalyst was characterized by several physico-chemical and spectroscopic methods. This immobilized complex was found to be an efficient heterogeneous catalyst for the oxidation of different sulfides and hydrocarbons using hydrogen peroxide (H_2O_2) as an oxidant. The catalyst is readily recovered by simple magnetic decantation and can be recycled several times with no considerable loss of catalytic activity.

Keywords: Magnetic, heterogeneous catalyst, binuclear, nanoparticles, oxidation, H_2O_2

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