Mild Oxidation of Organosulfur Compounds with H<sub>2</sub>O<sub>2</sub> over Metal-Containing Microporous and Mesoporous Catalysts

Mild catalytic oxidation of thioethers and thiophenes is an important reaction for the synthesis of molecules with pharmaceutical interest, as well as for the development of efficient processes able to remove sulfur-containing pollutants from fuels and wastewater. With respect to the green chemistry...

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Main Authors: Vasile Hulea, Emil Dumitriu, François Fajula
Format: Article
Language:English
Published: MDPI AG 2021-07-01
Series:Catalysts
Subjects:
Online Access:https://www.mdpi.com/2073-4344/11/7/867
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author Vasile Hulea
Emil Dumitriu
François Fajula
author_facet Vasile Hulea
Emil Dumitriu
François Fajula
author_sort Vasile Hulea
collection DOAJ
description Mild catalytic oxidation of thioethers and thiophenes is an important reaction for the synthesis of molecules with pharmaceutical interest, as well as for the development of efficient processes able to remove sulfur-containing pollutants from fuels and wastewater. With respect to the green chemistry principles, hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>) is the ideal oxidant and the Me-containing porous materials (Me = Ti, V, Mo, W, Zr) are among the best heterogeneous catalysts for these applications. The main classes of catalysts, including Me-microporous and mesoporous silicates, Me-layered double hydroxides, Me-metal–organic frameworks, are described in this review. The catalytic active species generated in the presence of H<sub>2</sub>O<sub>2</sub>, as well as the probable oxidation mechanisms, are also addressed. The reactivity of molecules in the sulfoxidation process and the role played by the solvents are explored.
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spelling doaj.art-b333cf569b31409a9544ed69b5546c272023-11-22T03:27:46ZengMDPI AGCatalysts2073-43442021-07-0111786710.3390/catal11070867Mild Oxidation of Organosulfur Compounds with H<sub>2</sub>O<sub>2</sub> over Metal-Containing Microporous and Mesoporous CatalystsVasile Hulea0Emil Dumitriu1François Fajula2Institut Charles Gerhardt Montpellier, UMR 5253 CNRS, Université de Montpellier, ENSCM, 240, Avenue du Professeur Emile Jeanbrau, CEDEX 05, 34296 Montpellier, FranceFaculty of Chemical Engineering and Environmental Protection, “Gheorghe Asachi” Technical University of Iasi, 71 D. Mangeron Ave., 700050 Iasi, RomaniaInstitut Charles Gerhardt Montpellier, UMR 5253 CNRS, Université de Montpellier, ENSCM, 240, Avenue du Professeur Emile Jeanbrau, CEDEX 05, 34296 Montpellier, FranceMild catalytic oxidation of thioethers and thiophenes is an important reaction for the synthesis of molecules with pharmaceutical interest, as well as for the development of efficient processes able to remove sulfur-containing pollutants from fuels and wastewater. With respect to the green chemistry principles, hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>) is the ideal oxidant and the Me-containing porous materials (Me = Ti, V, Mo, W, Zr) are among the best heterogeneous catalysts for these applications. The main classes of catalysts, including Me-microporous and mesoporous silicates, Me-layered double hydroxides, Me-metal–organic frameworks, are described in this review. The catalytic active species generated in the presence of H<sub>2</sub>O<sub>2</sub>, as well as the probable oxidation mechanisms, are also addressed. The reactivity of molecules in the sulfoxidation process and the role played by the solvents are explored.https://www.mdpi.com/2073-4344/11/7/867liquid-phase oxidationhydrogen peroxidemetal-silicatesmetal-layered double hydroxidesmetal–organic frameworks
spellingShingle Vasile Hulea
Emil Dumitriu
François Fajula
Mild Oxidation of Organosulfur Compounds with H<sub>2</sub>O<sub>2</sub> over Metal-Containing Microporous and Mesoporous Catalysts
Catalysts
liquid-phase oxidation
hydrogen peroxide
metal-silicates
metal-layered double hydroxides
metal–organic frameworks
title Mild Oxidation of Organosulfur Compounds with H<sub>2</sub>O<sub>2</sub> over Metal-Containing Microporous and Mesoporous Catalysts
title_full Mild Oxidation of Organosulfur Compounds with H<sub>2</sub>O<sub>2</sub> over Metal-Containing Microporous and Mesoporous Catalysts
title_fullStr Mild Oxidation of Organosulfur Compounds with H<sub>2</sub>O<sub>2</sub> over Metal-Containing Microporous and Mesoporous Catalysts
title_full_unstemmed Mild Oxidation of Organosulfur Compounds with H<sub>2</sub>O<sub>2</sub> over Metal-Containing Microporous and Mesoporous Catalysts
title_short Mild Oxidation of Organosulfur Compounds with H<sub>2</sub>O<sub>2</sub> over Metal-Containing Microporous and Mesoporous Catalysts
title_sort mild oxidation of organosulfur compounds with h sub 2 sub o sub 2 sub over metal containing microporous and mesoporous catalysts
topic liquid-phase oxidation
hydrogen peroxide
metal-silicates
metal-layered double hydroxides
metal–organic frameworks
url https://www.mdpi.com/2073-4344/11/7/867
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