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

Crispin Lichtenberg, Jan Bloch, Thomas L. Gianetti, Torsten Büttner, Jens Geier, Hansjörg Grützmacher

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

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.

Original languageEnglish (US)
Pages (from-to)20056-20066
Number of pages11
JournalDalton Transactions
Volume44
Issue number46
DOIs
StatePublished - 2015
Externally publishedYes

ASJC Scopus subject areas

  • Inorganic Chemistry

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