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Synthesis, molecular structure and electrochemical properties of the star-shaped dinuclear complexes [Ru<sub>2</sub>(η<sup>6</sup>-<i>p</i>-Me–C<sub>6</sub>H<sub>4</sub>-<sup><i>i</i></sup>Pr)<sub>2</sub>(μ<sub>2</sub>-S-<i>p</i>-C<sub>6</sub>H<sub>4</sub>–C<sub>4</sub>H<sub>3</sub>S)<sub>3</sub>]<sup>+</sup> and [Rh<sub>2</sub>(η<sup>5</sup>-C<sub>5</sub>Me<sub>5</sub>)<sub>2</sub>(μ<sub>2</sub>-S-<i>p</i>-C<sub>6</sub>H<sub>4</sub>–C<sub>4</sub>H<sub>3</sub>S)<sub>3</sub>]<sup>+</sup>
Auteur(s)
Chérioux, Frédéric
Editeur(s)
Date de parution
2005-04-29
In
Journal of Organometallic Chemistry, 2005/690/2365-2371
Résumé
The dinuclear cations [Ru<sub>2</sub>(η<sup>6</sup>-<i>p</i>-Me–C<sub>6</sub>H<sub>4</sub>–<sup><i>i</i></sup>Pr)<sub>2</sub>(μ<sub>2</sub>-S-<i>p</i>-C<sub>6</sub>H<sub>4</sub>–Br)<sub>3</sub>]<sup>+</sup> and [Rh(η<sup>5</sup>-C<sub>5</sub>Me<sub>5</sub>)(μ<sub>2</sub>-S-<i>p</i>-C<sub>6</sub>H<sub>4</sub>–Br)<sub>3</sub>]<sup>+</sup> are found to undergo triple Suzuki coupling with 2- or 3-thiophene boronic acid to give [Ru<sub>2</sub>(η<sup>6</sup>-<i>p</i>-Me–C<sub>6</sub>H<sub>4</sub>–<sup><i>i</i></sup>Pr)<sub>2</sub>(μ<sub>2</sub>-S-<i>p</i>C<sub>6</sub>H<sub>4</sub>–C<sub>4</sub>H<sub>3</sub>S)<sub>3</sub>]<sup>+</sup> (<b>1</b> and <b>2</b>) and [Rh<sub>2</sub>(η<sup>5</sup>-C<sub>5</sub>Me<sub>5</sub>)<sub>2</sub>(μ<sub>2</sub>-S-<i>p</i>-C<sub>6</sub>H<sub>4</sub>–C<sub>4</sub>H<sub>3</sub>S)<sub>3</sub>]<sup>+</sup> (<b>3</b> and <b>4</b>), respectively. The star-like complexes are potential precursors for the insertion of dinuclear organometallic entities in the main chain of conjugated molecules thanks to their free thienyl moieties at their periphery. The electrochemical and optical properties of these new complexes have also been investigated.
Autre version
http://dx.doi.org/10.1016/j.jorganchem.2005.03.011
Type de publication
Resource Types::text::journal::journal article
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