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Issue 46, 2015
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Diolefins with an ether/thioether functionality as ligands in the coordination sphere of Ni and Rh

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Abstract

A diolefin ether, trop2O (2), and a diolefin thioether, trop2S (3), have been investigated as ligand analogues of the well-established diolefin amine, trop2NH (1). Compounds 2 and 3 form different conformers in solution and in the solid state. Whereas 2 could be coordinated to Ni(0), 3 was found to be more suited for coordination to Rh(I). The coordination chemistry, electrochemical properties, and ligand exchange phenomena of the resulting complexes, [Ni(trop2O)(PPh3)] (5) and [Rh(trop2S)(L)n][OTf] (6: L = NCMe, n = 2; 7: L = 2,2′-bipy, n = 1) were investigated by analytical techniques including NMR spectroscopy, single crystal X-ray analysis, and cyclic voltammetry. The results were compared with those obtained for the amine analogues of 5, 6, and 7.

Graphical abstract: Diolefins with an ether/thioether functionality as ligands in the coordination sphere of Ni and Rh

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Supplementary files

Article information


Submitted
25 Aug 2015
Accepted
15 Oct 2015
First published
03 Nov 2015

Dalton Trans., 2015,44, 20056-20066
Article type
Paper
Author version available

Diolefins with an ether/thioether functionality as ligands in the coordination sphere of Ni and Rh

C. Lichtenberg, J. Bloch, T. L. Gianetti, T. Büttner, J. Geier and H. Grützmacher, Dalton Trans., 2015, 44, 20056
DOI: 10.1039/C5DT03279B

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