Abstract

N-Arylimine-functionalised protic NHC (pNHC) Ir(i) and Ir(iii) complexes are obtained directly from neutral or cationic Ir(i) imidazole complexes using excess [Ir(cod)(μ-Cl)]2 or TlPF6, respectively. N-Arylimine-functionalised imidazolium salts lead to imidazole or pNHC complexes by competing N-H or C-H bond activation depending on the type of imidazolium counterion.

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