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Issue 39, 2015
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Syntheses and properties of phosphine-substituted ruthenium(II) polypyridine complexes with nitrogen oxides

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Abstract

Four novel phosphine-substituted ruthenium(II) polypyridine complexes with nitrogen oxides—trans(P,NO2)-[Ru(trpy)(Pqn)(NO2)]PF6 (trans-NO2), cis(P,NO2)-[Ru(trpy)(Pqn)(NO2)]PF6 (cis-NO2), [Ru(trpy)(dppbz)(NO2)]PF6 (PP-NO2), and cis(P,NO)-[Ru(trpy)(Pqn)(NO)](PF6)3 (cis-NO)—were synthesised (trpy = 2,2′:6′,2′′-terpyridine, Pqn = 8-(diphenylphosphanyl)quinoline, and dppbz = 1,2-bis(diphenylphosphanyl)benzene). The influence of the number and position of the phosphine group(s) on the electronic structure of these complexes was investigated using single-crystal X-ray structural analysis, UV-vis absorption spectroscopy, and electrochemical measurements. The substitution lability of the nitrogen oxide ligand of each complex is discussed in comparison with that of the corresponding acetonitrile complexes.

Graphical abstract: Syntheses and properties of phosphine-substituted ruthenium(ii) polypyridine complexes with nitrogen oxides

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Publication details

The article was received on 04 Aug 2015, accepted on 27 Aug 2015 and first published on 28 Aug 2015


Article type: Paper
DOI: 10.1039/C5DT02994E
Citation: Dalton Trans., 2015,44, 17189-17200
  • Open access: Creative Commons BY license
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    Syntheses and properties of phosphine-substituted ruthenium(II) polypyridine complexes with nitrogen oxides

    G. Nakamura, M. Kondo, M. Crisalli, S. K. Lee, A. Shibata, P. C. Ford and S. Masaoka, Dalton Trans., 2015, 44, 17189
    DOI: 10.1039/C5DT02994E

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