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Synthesis of alkynyl sulfones

Recent Literature

The cerium(IV) ammonium nitrate (CAN) mediated reaction of aryl sulfinates and sodium iodide with alkenes afforded vinyl sulfones in very good yields. Alkynes underwent a similar reaction to give β-iodovinyl sulfones, which on treatment with potassium carbonate afforded the corresponding acetylenic sulfones in high yields.
V. Nair, A. Augustine, T. D. Suja, Synthesis, 2002, 2259-2265.