Synthesis, electronic and structural properties of a chiral NHC bearing a N-bonded cationic [4]helicene moiety are reported. This ligand is used to construct AuI, AuIII and RhI complexes exhibiting far-red (chir)optical properties regardless of the metal.
![Graphical abstract: Hybrids of cationic [4]helicene and N-heterocyclic carbene as ligands for complexes exhibiting (chir)optical properties in the far red spectral window](/en/Image/Get?imageInfo.ImageType=GA&imageInfo.ImageIdentifier.ManuscriptID=D1CC00898F&imageInfo.ImageIdentifier.Year=2021)
R. Tarrieu, I. H. Delgado, F. Zinna, V. Dorcet, S. Colombel-Rouen, C. Crévisy, O. Baslé, J. Bosson and J. Lacour, Chem. Commun., 2021, 57, 3793 DOI: 10.1039/D1CC00898F
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