A single electron transfer from an enolate*6) intermediate consisting of a thiazolium-type N-heterocyclic carbene catalyst and an aldehyde to an aryl iodide and the subsequent cleavage of the bond ...

This Breslow intermediate, acting as a nucleophile followed ... electron transfer occurred from a Breslow intermediate of an enolate*4) formed from an aldehyde and an N-heterocyclic carbene ...