Ethenesulfonyl fluoride (ESF), a stable compound that is readily available from commercial isethionic acid (2-hydroxyethanesulfonic acid) or 2-chloroethanesulfonyl chloride, was shown to be a highly reactive yet selective and versatile intermediate in the synthesis of a wide variety of organosulfur compounds. ESF reacted with active methylene compounds, amines, sulfinates, and thiols to afford 2-fluorosulfonylethyl derivatives in generally ...
