Abstract
A mild and efficient protocol for the perhaloacylation of α-carbonyl sulfoxonium ylides has been developed. The commercially available perfluoro- and perchloroacid anhydrides were used as acylating agents in catalyst- and additive-free reactions to access α-carbonyl-α'-perhaloacyl sulfoxonium ylides in high yields. The reaction offers a simple method to prepare valuable polyfluorinated organosulfur molecules.
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