C,N,N-Cyclometallated palladium(II) complexes: a step forward to luminescent metallomesogens

Abstract
Cyclopalladation of 4′-functionalized 6′-phenyl-2,2′-bipyridine ligands (HLn, n= 1–3) leads to [PdLnCl] species as demonstrated by the crystal structure of [PdL1Cl]; thermotropic nematic mesomorphism is observed for HL3 and [PdL3Cl]; the latter is also photoluminescent at 77 K.

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