Issue 46, 2009
From the journal:

Dalton Transactions

The first example of photochemical reduction of nitrite into nitrogen monoxide by a dinuclear Ru(ii)–Cu(ii) complex and photoinduced intramolecular electron transfer reaction between Ru(ii) and Cu(ii) moieties†

Naoko Isoda,a   Yuki Torii,a   Tomoko Okada,a   Makoto Misoo,a   Hiroshi Yokoyama,a   Noriaki Ikeda,a   Masaki Nojiri,a   Shinnichiro Suzukia  and  Kazuya Yamaguchi*a  

* Corresponding authors

a Department of Chemistry, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan
E-mail: kazu@ch.wani.osaka-u.ac.jp
Fax: +81-6-6850-5785
Tel: +81-6-6850-5768

Abstract

The photochemical reduction of nitrite to NO by the dinuclear Ru(II)–Cu(II) complex ([Ru(bpy)2(Mebpy-COOC3H6)Me2bpaCu(H2O)(ClO4)](ClO4)·(PF6)2·(H2O) was observed in the absence of sacrificial electron donor reagents in CH2Cl2. The reaction rate of the photoreduction of nitrite depended upon the concentration of the excited Ru(II) moiety in the complex. The photoinduced intramolecular electron transfer rate constants between the Ru(II) and Cu(II) moieties (*Ru(II)–Cu(II) → Ru(III)–Cu(I) and Ru(III)–Cu(I) → Ru(II)–Cu(II)) in the dinuclear complex were calculated to be 2.3 × 109 and 8.3 × 107 s−1, respectively, by laser flash photolysis.

Graphical abstract: The first example of photochemical reduction of nitrite into nitrogen monoxide by a dinuclear Ru(ii)–Cu(ii) complex and photoinduced intramolecular electron transfer reaction between Ru(ii) and Cu(ii) moieties

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Article information

DOI
https://doi.org/10.1039/B907484H
Article type
Communication
Submitted
15 Apr 2009
Accepted
24 Sep 2009
First published
08 Oct 2009

Dalton Trans., 2009, 10175-10177

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The first example of photochemical reduction of nitrite into nitrogen monoxide by a dinuclear Ru(II)–Cu(II) complex and photoinduced intramolecular electron transfer reaction between Ru(II) and Cu(II) moieties

N. Isoda, Y. Torii, T. Okada, M. Misoo, H. Yokoyama, N. Ikeda, M. Nojiri, S. Suzuki and K. Yamaguchi, Dalton Trans., 2009, 10175 DOI: 10.1039/B907484H

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