681431-74-3Relevant academic research and scientific papers
Synthesis of a trinuclear cation [H3Ru3(Fc-arene) (C6Me6)2(O)]+ containing a ferrocenyl group tethered to an arene ligand
Vieille-Petit, Ludovic,Untern?hrer, Sabine,Therrien, Bruno,Süss-Fink, Georg
, p. 335 - 339 (2003)
Ferrocene carboxylic acid 2-cyclohexa-1,4-dienyl-ethyl ester (1) is prepared from ferrocene carboxylic acid and 2-cyclohexa-1,4-dienyl-ethanol. This diene reacts with RuCl3·nH2O in refluxing ethanol to afford quantitatively [Ru(Fc-arene)Cl2]2 (2) (Fc-arene=ferrocene carboxylic acid phenethyl ester). The dinuclear complex 2 reacts with triphenylphosphine to give the mononuclear complex [Ru(Fc-arene)(PPh3)Cl2] (3). The trinuclear arene-ruthenium cluster cation [H3Ru3(Fc-arene)(C 6Me6)2(O)]+ (4) is synthesised from the dinuclear precursor [H3Ru2(C6Me 6)2]+ and the mononuclear complex [Ru(Fc-arene)(H2O)3]2+, accessible from 2 in aqueous solution. The water-soluble trinuclear cluster cation 4 catalyses the hydrogenation of benzene to give cyclohexane under biphasic conditions.
