Reaction of singlet oxygen with thioanisole in ionic liquid-acetonitrile binary mixtures |
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| Authors: | Baciocchi Enrico Chiappe Cinzia Fasciani Chiara Lanzalunga Osvaldo Lapi Andrea |
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| Institution: | Dipartimento di Chimica and Istituto CNR di Metodologie Chimiche-IMC, Rome, Italy. |
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| Abstract: | A study of the reaction of thioanisole with singlet oxygen in different ionic liquid-acetonitrile binary mixtures has shown that ILs are able to accelerate the thioanisole sulfoxidation when used as additives. With imidazolium ILs, the maximum efficiency is reached at x(IL) ～ 0.1-0.2, whereas for the pyrrolidinium IL a plateau is reached. These results are discussed in terms of the ILs' tendency to form ionic aggregates and of differences in sulfoxidation reaction mechanism. |
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