Thiazole-annelated imidazolium salts: A new architecture for N-heterocyclic carbenes

Lohre C, Frohlich R, Glorius F

Abstract

A short synthesis of thiazole-annelated imidazolium salts is presented. Deprotonation of these salts allowed the formation of new N-heterocyclic carbenes (NHCs) and the investigation of their respective electronic properties, which were determined by X-ray crystal structure analysis and IR spectroscopy of the corresponding iridium carbonyl complexes. Finally, the ability of these NHCs to form the corresponding palladium complexes was demonstrated.