The oxidative sulfonylation of ketones with sodium sulfinates as the sulfone source and DMSO as the oxidant is reported. A series of β-keto sulfones were obtained in good to excellent yields. The advantages of this efficient protocol include the low cost of DMSO and HBr, and a broad scope.

中文翻译：

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酮与亚磺酸钠的高效磺酰化反应，可合成β-酮砜

据报导，用亚磺酸钠作为砜源和DMSO作为氧化剂进行酮的氧化磺酰化。以良好至优异的产率获得了一系列β-酮砜。这种高效协议的优点包括DMSO和HBr的低成本以及广泛的应用范围。