Issue 10, 2018

Ligand and electronic effects on copper–arylnitroso self-assembly

Abstract

A series of complexes were prepared by self-assembly of copper(I) precursors and arylnitroso species. The nature of the copper(I) supporting ligand (bi-, tri- or tetradentate as well as secondary vs. tertiary amine donors) and the electronic nature of the arylnitroso species (electron-donating or withdrawing substituents) were varied. The stoichiometry of the reaction, the topology and the electronic properties of the adducts were characterized by means of UV-vis spectroscopy, X-ray diffraction and DFT methods. The more electron-rich ligands and the more electron-poor arylnitroso species lead to an inner-sphere electron-transfer and formation of copper(II)–(arylnitrosyl radical) complexes, with a linkage topology that depends on the denticity of the supporting ligand. These results provide a canvas by which the products of similar self-assembled redox reactions can be predicted.

Graphical abstract: Ligand and electronic effects on copper–arylnitroso self-assembly

Supplementary files

Article information

Article type
Paper
Submitted
21 feb. 2018
Accepted
27 mar. 2018
First published
20 apr. 2018

New J. Chem., 2018,42, 7758-7764

Ligand and electronic effects on copper–arylnitroso self-assembly

F. Effaty, J. Zsombor-Pindera, A. Kazakova, B. Girard, M. S. Askari and X. Ottenwaelder, New J. Chem., 2018, 42, 7758 DOI: 10.1039/C8NJ00894A

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