Transition-Metal-Free Arylations of In-Situ Generated Sulfenates with Diaryliodonium Salts

A transition-metal-free arylation of sulfenate anions generated from β -sulfinyl esters with diaryliodonium salts was developed. In this process, a new C-S bond is formed under mild reaction conditions providing a wide range of S, S-diaryl and S-alkyl S-aryl sulfoxides.