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How to elucidate and control the redox sequence in vinylbenzoate and vinylpyridine bridged diruthenium complexes

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    0349519 - UFCH-W 2011 RIV GB eng J - Journal Article
    Pevny, F. - Winter, R. F. - Sarkar, B. - Záliš, Stanislav
    How to elucidate and control the redox sequence in vinylbenzoate and vinylpyridine bridged diruthenium complexes.
    Dalton Transactions. Roč. 39, č. 34 (2010), s. 8000-8011. ISSN 1477-9226
    R&D Projects: GA AV ČR KAN100400702; GA MŠk 1P05OC068; GA MŠk OC09043
    Institutional research plan: CEZ:AV0Z40400503
    Keywords : vinylbenzoate-bridged diruthenium complexes * electrochemistry * vinylpyridine-bridged diruthenium complexes
    Subject RIV: CG - Electrochemistry
    Impact factor: 3.647, year: 2010

    Vinylbenzoate-bridged diruthenium complexes (RHCdouble bond, length as m-dashCH)(CO)(PiPr3)2Ru(μ-4-OOCC6H4–CHdouble bond, length as m-dashCH)RuCl(CO)(PiPr3)2 (R = Ph, 3a or CF3, 3b) and vinylpyridine-bridged (η6-p-cymene)Cl2Ru(μ-NC5H4-4-CHdouble bond, length as m-dashCH)RuCl(CO)(PiPr3)2 (3c) have been prepared from their monoruthenium precursors and investigated with respect to the sequence of the individual redox steps and electron delocalization in their partially and fully oxidized states. Identification of the primary redox sites rests on the trends in redox potentials and the EPR, IR and Vis/NIR signatures of the oxidized radical cations and is correctly reproduced by quantum chemical investigations.
    Permanent Link: http://hdl.handle.net/11104/0189735