4-Aryl-1,2,3-thiadiazoles as Alkynyl Thiolate Surrogates in the Reactions with Diaryliodonium Salts: a Transition-Metal-Free Route to Alkynyl Aryl Sulfides
Abstract
The use of readily available 1,2,3-thiadiazoles as surrogates of transient alkynyl thiolate anions and diaryliodonium salts as arylating agents allowed for the first time the synthesis of alkynyl aryl sulfides via C(sp2)–S bond formation under transition metal-free conditions.