Treatment of phenyl areneselenosulplonates (1) with terminal acetylenes resulted in the formation of β-(phenylseleno)vinyl sulphones (2), which on treatment with excess of hydrogen peroxide in tetrahydrofuran at room temperature gave acetylenic sulphones (3) in good yields.
T. Miura and M. Kobayashi, J. Chem. Soc., Chem. Commun., 1982, 438 DOI: 10.1039/C39820000438
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