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Chem Rev

Title:		Ionic Liquids in Selective Oxidation: Catalysts and Solvents
Author(s):		Dai C; Zhang J; Huang C; Lei Z;
Address:		"State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology , Box 266, Beijing 100029, China"
Journal Title:		Chem Rev
Year:		2017
Volume:		20170501
Issue:		10
Page Number:		6929 - 6983
DOI:		10.1021/acs.chemrev.7b00030
ISSN/ISBN:		1520-6890 (Electronic) 0009-2665 (Linking)
Abstract:		"Selective oxidation has an important role in environmental and green chemistry (e.g., oxidative desulfurization of fuels and oxidative removal of mercury) as well as chemicals and intermediates chemistry to obtain high-value-added special products (e.g., organic sulfoxides and sulfones, aldehydes, ketones, carboxylic acids, epoxides, esters, and lactones). Due to their unique physical properties such as the nonvolatility, thermal stability, nonexplosion, high polarity, and temperature-dependent miscibility with water, ionic liquids (ILs) have attracted considerable attention as reaction solvents and media for selective oxidations and are considered as green alternatives to volatile organic solvents. Moreover, for easy separation and recyclable utilization, IL catalysts have attracted unprecedented attention as 'biphasic catalyst' or 'immobilized catalyst' by immobilizing metal- or nonmetal-containing ILs onto mineral or polymer supports to combine the unique properties of ILs (chemical and thermal stability, capacity for extraction of polar substrates and reaction products) with the extended surface of the supports. This review highlights the most recent outcomes on ILs in several important typical oxidation reactions. The contents are arranged in the series of oxidation of sulfides, oxidation of alcohols, epoxidation of alkenes, Baeyer-Villiger oxidation reaction, oxidation of alkanes, and oxidation of other compounds step by step involving ILs as solvents, catalysts, reagents, or their combinations"
Keywords:
Notes:		"PubMed-not-MEDLINEDai, Chengna Zhang, Jie Huang, Chongpin Lei, Zhigang eng 2017/05/02 Chem Rev. 2017 May 24; 117(10):6929-6983. doi: 10.1021/acs.chemrev.7b00030. Epub 2017 May 1"