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Supramolecular cluster catalysis : facts and problems

Auteur(s)
Süss-Fink, Georg 
Institut de chimie 
Editeur(s)
Therrien, Bruno 
Institut de chimie 
Vieille-Petit, Ludovic
Tschan, Mathieu J.-L.
Romakh, Vladimir B.
Ward, Thomas R.
Dadras, Massoud
Laurenczy, Gabor
Date de parution
2004
In
Journal of Organometallic Chemistry, 2004/689/1362-1369
Mots-clés
  • Catalysis

  • Ruthenium

  • Clusters

  • Hydrogenation benzene...

Résumé
By checking the chemistry underlying the concept of "supramolecular cluster catalysis" we identified two major errors in our publications related to this topic, which are essentially due to contamination problems. (<b>1</b>) The conversion of the "closed" cluster cation [H<sub>3</sub>Ru<sub>3</sub>(C<sub>6</sub>H<sub>6</sub>)(C<sub>6</sub>Me<sub>6</sub>)<sub>2</sub>(O)]<sup>+</sup> (1) into the "open" cluster cation [H<sub>2</sub>Ru<sub>3</sub>(C<sub>6</sub>H<sub>6</sub>)(C<sub>6</sub>Me<sub>6</sub>)<sub>2</sub> (O)(OH)]<sup>+</sup> (<b>2</b>), which we had ascribed to a reaction with water in the presence of ethylbenzene is simply an oxidation reaction which occurs in the presence of air. (2) The higher catalytic activity observed with ethylbenzene, which we had erroneously attributed to the "open" cluster cation [H<sub>2</sub>Ru<sub>3</sub>(C<sub>6</sub>H<sub>6</sub>)(C<sub>6</sub>Me<sub>6</sub>)<sub>2</sub>(O)(OH)]<sup>+</sup> (<b>2</b>), was due to the formation of RuO<sub>2</sub>• <i>n</i>H<sub>2</sub>O, caused by a hydroperoxide contamination present in ethylbenzene.
URI
https://libra.unine.ch/handle/123456789/18817
DOI
10.1016/j.jorganchem.2003.12.032
Autre version
http://dx.doi.org/10.1016/j.jorganchem.2003.12.032
Type de publication
Resource Types::text::journal::journal article
Dossier(s) à télécharger
 main article: 1_S__ss-Fink_Georg_-_Supramolecular_cluster_catalysis_20060428.pdf (569.47 KB)
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