Li Gao-feng
2011
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Journal
Chinese Journal of Synthetic Chemistry
Abstract
3,3′-Disulfonated-4,4′-difluorodiphenyldisulfone sodium salt in total yield of 57% was synthesized by reaction of fluorobenzene with thionyl chloride in the presence of NaClO4 to afford 4,4′-difluorodiphenyl sulphoxide,then oxidation with H2O2 in acetic acid to give 4,4′-difluorodiphenyl sulphone,and then sulfonation with fuming sulfuric acid.The structure was confirmed by 1H NMR.