Faculté des sciences

Organometallic boxes built from 5,10,15,20-tetra(4-pyridyl)porphyrin panels and hydroxyquinonato-bridged diruthenium clips

Barry, Nicolas P.E. ; Govindaswamy, Padavattan ; Furrer, Julien ; Süss-Fink, Georg ; Therrien, Bruno

In: Inorganic Chemistry Communications, 2008, vol. 11, no. 10, p. 1300-1303

Self-assembly of 5,10,15,20-tetra(4-pyridyl)porphyrin (tpp-H2) tetradentate panels with dinuclear arene ruthenium clips [Ru2 (η6-arene)2 (dhbq)Cl2] (arene = C6H5Me, p-PriC6H4Me, C6Me6; dhbq = 2,5-dihydroxy-1,4-benzoquinonato) affords the cationic organometallic boxes... Plus

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    Summary
    Self-assembly of 5,10,15,20-tetra(4-pyridyl)porphyrin (tpp-H2) tetradentate panels with dinuclear arene ruthenium clips [Ru26-arene)2 (dhbq)Cl2] (arene = C6H5Me, p-PriC6H4Me, C6Me6; dhbq = 2,5-dihydroxy-1,4-benzoquinonato) affords the cationic organometallic boxes [Ru86-C6H5Me)8 (tpp-H2)2 (dhbq)4]8+ ([1]8+), [Ru86-p-PriC6H4Me)8 (tpp-H2)2(dhbq)4]8+ ([2]8+) and [Ru86-C6Me6)8 (tpp-H2)2 (dhbq)4]8+ ([3]8+). These octanuclear cations have been isolated as their triflate salts and characterised by mass spectrometry, NMR and IR spectroscopy. The molecular structure of these systems was deduced by one-dimensional and two-dimensional NMR experiments (ROESY, COSY, HSQC).