Divalent metal complexes of N,O- and N,N-bidentate imidazo[1,5-a]pyridine ligands: Synthesis, crystal structures, and photophysical properties

Abstract

Two types of imidazo[1,5-a]pyridine ligands have been reacted with divalent metals (Pd and Zn) to prepare the corresponding complexes. Single crystallographic analyses revealed that 1-(o-hydroxyphenyl)imidazo[1,5-a]pyridine and 3,3′-biimidazo[1,5-a]pyridine act as N,O-bidentate ligand for homoleptic palladium complex and N,N-bidentate ligand for zinc dichloride complex, respectively.