Approaches to some carbohydrate-derived sultones

Abstract
Under some conditions deprotonation of various mixed disulfonate ester derivatives of carbohydrates leads to intramolecular displacement yielding a product in which a sultone is fused to the sugar ring. The procedure seems to work best when a mesylate and a benzenesulfonate are involved. Examples with both pyranose and furanose sugars are described.

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