Issue 39, 2015
From the journal:

Dalton Transactions

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

Go Nakamura,ab   Mio Kondo,abcd   Meredith Crisalli,e   Sze Koon Lee,a   Akane Shibata,a   Peter C. Forde  and  Shigeyuki Masaoka*abd  

* Corresponding authors

a Institute for Molecular Science (IMS), 5-1 Higashiyama, Myodaiji, Okazaki, Aichi 444-8787, Japan
E-mail: masaoka@ims.ac.jp
Fax: +81-564-59-5589

b Department of Structural Molecular Science, School of Physical Sciences, SOKENDAI (The Graduate University for Advanced Studies), Shonan Village, Hayama-cho, Kanagawa 240-0193, Japan

c ACT-C, Japan Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama, Japan

d Research Center of Integrative Molecular Systems (CIMoS), Institute for Molecular Science, 38 Nishigo-naka, Myodaiji, Okazaki, Aichi 444-8585, Japan

e Department of Chemistry and Biochemistry, University of California at Santa Barbara, Santa Barbara, California 93106-9510, USA

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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Article information

DOI
https://doi.org/10.1039/C5DT02994E
Article type
Paper
Submitted
04 Aug 2015
Accepted
27 Aug 2015
First published
28 Aug 2015
This article is Open Access
Creative Commons BY license

Dalton Trans., 2015,44, 17189-17200

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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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