Organic synthesis with sulphones—XVII: The anti-markownikoff halosulphonylation of olefins via an ionic pathway,and a new method of preparing benzenesulphonyl iodide |
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Authors: | L.M. Harwood M. Julia G. Le Thuillier |
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Affiliation: | Ecole Normale Supérieure, Laboratoire de Chimie associé au C.N.R.S. No 32, 24 rue Lhomond, 75231 Paris Cedex 05, France |
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Abstract: | Iodine and bromine in the presence of sodium benzenesulphinate react with olefins in acetone solution to give halosulphones resulting from an apparent steric direction of attack at the intermediate halonium ion. A straightforward preparation of benzenesulphonyl iodide from benzenesulphonyl chloride and sodium iodide is also described. |
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