Hydrocarbylethyl sulfonyl fluorides in which the hydrocarbyl substituent contains at least 3 carbon atoms, can be prepared by reacting {HEAD ~ 2 mercaptoethanol} with chlorine to form chloroethyl sulfonyl chloride which is treated with aqueous potassium fluoride to yield {TAIL ~ chloroethyl sulfonyl fluoride}, followed by treatment with magnesium oxide to yield vinyl sulfonyl fluoride 
Hydrocarbylethyl sulfonyl fluorides in which the hydrocarbyl substituent contains at least 3 carbon atoms , can be prepared by reacting { HEAD ~ 2 mercaptoethanol } with chlorine to form chloroethyl sulfonyl chloride which is treated with aqueous potassium fluoride to yield { TAIL ~ chloroethyl sulfonyl fluoride } , followed by treatment with magnesium oxide to yield vinyl sulfonyl fluoride
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