Abstract
The tetrabutylammonium iodide (TBAI)-promoted generation of sulfur-containing compounds from benzenesulfonyl chlorides and alkenes is described. Under acidic condition, a wide range of β-alkoxy sulfides were obtained in good to excellent yields, whereas under alkaline conditions, various vinyl sulfones were produced in moderate to good yields. A novel preparation of (<i>E</i>)-β-iodovinyl sulfones was achieved through direct difunctionalization of alkynes with benzenesulfonyl chlorides and TBAI.
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