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Süss-Fink, Georg

Nom
Süss-Fink, Georg
Affiliation principale
Fonction
Professeur ordinaire
Email
georg.suess-fink@unine.ch
Identifiants
https://libra.unine.ch/handle/123456789/385

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  • Publication
    Accès libre
    Dinuclear ruthenium sawhorse-type complexes containing carboxylato bridges and ferrocenyl substituents: Synthesis and electrochemistry
    (2007)
    Auzias, Mathieu
    ;
    Süss-Fink, Georg 
    ;
    Štěpnička, Petr
    ;
    Ludvík, Jiří
    The ferrocenyl-containing diruthenium complexes [Ru2(CO)4(μ2-η2-OOCFc)2L2] (Fc = ferrocenyl, fc = ferrocen-1,1′-diyl; 1: L = NC5H4–COOC6H4–OC10H21, 2: L = NC5H4–COOC6H4–OC16H33, 3: L = NC5H4–OOC–fc–C12H25) and [Ru2(CO)4(μ2-η2-OOC6H5)2(NC5H4–OOC–fc–C12H25)2] (4) have been synthesized from Ru3(CO)12, ferrocene carboxylic or benzoic acid and the corresponding pyridine derivative. The synthesis of the new pyridine derivative NC5H4–OOC–fc–C12H25 used for the preparation of 3 and 4 is also reported. Complexes 1–4 posses a so-called sawhorse structure consisting of the Ru2(CO)4 backbone and two bridging carboxylato ligands, while the coordination sphere around the ruthenium atoms is completed by the pyridine-derived ligands bonded in the axial positions. The electrochemical behavior of 1–4 and their known analogues [Ru2(CO)4(μ2-η2-OOCFc)2L2] (5: L = NC5H5, 6: L = P(C6H5)3, 7: L = NC5H4–OOCFc) has been studied by voltammetry on rotating disc electrode and by cyclic voltammetry.