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