Abstract
Sulfur abstraction from suitable thioesters represents a mild method for the formation of carbon-carbon bonds and the formation of 1,3-dicarbonyl compounds. A study of the scope and limitations of this reaction for the synthesis of these or mixed 1,3-carbonyl/thiocarbonyl compounds by a base promoted sulfur abstraction rearrangement is described. These reactions were typically very clean and the products were obtained in good yield (65–95%) in just 30 min. This method is particularly efficient for the introduction of thiocarbonyl containing groups. Thus, it constitutes a synthetic strategy for the generation of a new carbon-carbon bond and the regioselective preparation of mixed β-dicarbonyl compounds.
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