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Issue 69, 2017
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Defined tetranuclear coinage metal chains

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To force metal ions in heterometallic coinage metal complexes into preset compartments, we have synthesized a ligand with two N-heterocyclic carbenes (NHCs) separated by a methylene bridge and two bipyridine moieties tethered to each NHC moiety. By using this ligand, tetranuclear heterodimetallic gold/copper and gold/silver complexes were obtained. These complexes show an unprecedented V-shape or linear MAu2M (M = Cu, Ag) configuration in the solid state. The photophysical properties of the new compounds are significantly affected by the complexed metal ions.

Graphical abstract: Defined tetranuclear coinage metal chains

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Article information

16 Jun 2017
03 Aug 2017
First published
15 Aug 2017

Chem. Commun., 2017,53, 9578-9581
Article type

Defined tetranuclear coinage metal chains

C. Kaub, S. Lebedkin, S. Bestgen, R. Köppe, M. M. Kappes and P. W. Roesky, Chem. Commun., 2017, 53, 9578
DOI: 10.1039/C7CC04705C

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