Generation of ArS-substituted flavone derivatives using aryl thiols as sulfenylating agents

Abstract

The regioselective and metal-free sulfenylation of flavones was achieved under aerobic conditions with ammonium iodide salt as an inducer instead of traditional iodine/oxidant combinations. This method enables the generation of various ArS-substituted flavone derivatives in good to excellent yields under environmentally friendly conditions, which significantly enriches current flavone chemistry.