Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12779/5311
Title: Electron transfer activity of nickelacyclic complex analogues of nickelocene: Synthesis of (eta(5)-R-cyclopentadienyl){eta(4)-[1-(eta(5)-R-cyclo pentadienyl)]-2,3,4,5-tetraphenyl-1-nickela-2-cyclopentenyl}nickel complexes (R=H,CH3) and crystal structures of the redox couples [(eta(5)-methylcyclopentadienyl){eta(4)-[1-(eta(5)-methylcyclopentadieny l)]-2,3,4,5-tetraphenyl-1-nickela-2-cyclopentenyl}nickel]((0/+)) and [(eta 5-methylcyclopentadienyl){eta(5)-[1(eta(5)-methylcyclopentadienyl)-1-nic kelafluorenyl}nickel]((0/+))
Authors: Losi, S.
Rossi, F.
Laschi, Franco 
Fabrizi De Biani, Fabrizia 
Zanello, Piero
Buchalski, P.
Burakowska, K.
Piwowar, K.
Zbrzezna, J.
Pasynkiewicz, S.
Pietrzykowski, A.
Suwinska, K.
Jerzykiewicz, L.
Issue Date: 2007
Project: None 
Journal: INORGANIC CHEMISTRY
Abstract: 
Following previous reports on the synthesis and structure of different nickelacyclic complexes analogues of nickelocene, we now deal with the new metallacyclic compounds (η5-R-cyclopentadienyl){η4-[1-(η5-R-cyclopentadienyl)]-2,3,4,5-tetraphenyl-1-nickela-2-cyclopentenyl}nickel (R = H, CH3). The redox ability of the whole series of nickelacyclic derivatives has been also investigated by electrochemical and spectroelectrochemical techniques, and the nature of the frontier orbitals responsible for the rich electron transfer activity of this class of compounds has been supported by theoretical considerations. On the basis of the redox properties of a few neutral members of the series, their chemical oxidation afforded the corresponding monocations and the crystal structures of the pertinent redox couples were determined by X-ray single-crystal analysis.
Description: 
40179
URI: http://hdl.handle.net/20.500.12779/5311
ISSN: 0020-1669
DOI: 10.1021/ic701226d
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