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39.2.2.1.1.3 Variation 3: Alkylation in Ionic Liquids

DOI: 10.1055/sos-SD-039-00168

Drabowicz, J.; Lewkowski, J.; Kudelska, W.; Girek, T.Science of Synthesis, (200839127.

Ionic liquids, which are efficient, nonpolluting, safe solvents that also behave as catalysts, can be used for the synthesis of sulfones. Although ionic liquids have not been used as solvents for the synthesis of dialkyl sulfones, 1-butyl-3-methyl-1H-imidazolium tetrafluoroborate has been used in the synthesis of aryl alkyl sulfones and diaryl sulfones.[‌24‌‌28‌] For example, the reaction of sodium benzenesulfinate with alkyl or aryl halides gives the corresponding sulfones in high yields (Scheme 8).[‌25‌]

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References


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