Journal
COMPTES RENDUS CHIMIE
Volume 20, Issue 9-10, Pages 967-974Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.crci.2017.05.004
Keywords
Metalloporphyrin; Carbon nanotubes; Green chemistry; Catalytic oxidation; Sulfide; Phenol
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Funding
- K.N. Toosi University of Technology research council
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A biomimetic heterogeneous catalyst was prepared by immobilization of meso-tetrakis(4-carboxyphenyl)porphyrinatoiron(III) chloride (Fe(TCPP)CI) on multiwalled carbon nano tubes (MWCNTs). The anchored catalyst was characterized by transmission electron microscopy, powder X-ray diffraction, ultraviolet visible, and Fourier transform infrared spectroscopy. The amount of Fe-porphyrin loaded on the nanotubes was estimated by atomic absorption spectroscopy The thermogravimetric analysis demonstrated that the catalyst was thermally stable up to almost 350 degrees C, exhibiting high thermal stability. Oxidation of sulfides and phenols with urea hydrogen peroxide (UHP) in water was efficiently enhanced with excellent selectivity under the influence of [Fe(TCPP)CI@MWCNT]. The title heterogeneous catalytic system facilitates a greener reaction because the reaction solvent is water and UHP is used as a safe oxidant. (C) 2017 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.
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