Improved Method for the Iodine(III)-Mediated Preparation of Aryl Sulfonimidates
Organic Letters2005Vol. 8(2), pp. 337–339
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Anne Felim, A. Toussaint, Courtney R. Phillips, Dominique Leca, Anna L. Vagstad, Louis Fensterbank, Emmanuel Lacôte, Max Malacrìa
Abstract
[reaction: see text] One-pot hypervalent iodine-mediated oxidations of arylsulfinamides to arylsulfonimidates is reported. Contrary to the case of alkylsulfinamides, use of iodosobenzene was not satisfactory. The reaction worked best with diacetoxyiodosobenzene (DIB) and a mild base (MgO). The influence of substituents on the iodine(III) reagent arene has been examined.
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