Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12779/4236
Title: Co-ordination chemistry of octamethyl-5,5 '-di(2-pyridyl)ferrocene
Authors: Neumann, B.
Siemeling, U.
Stammler, H. G.
Vorfeld, U.
Delis, J. G. P.
van Leeuwen, P. W. N. M.
Vrieze, X.
Fraanje, J.
Goubitz, K.
Fabrizi De Biani, Fabrizia 
Zanello, Piero
Issue Date: 1997
Project: None 
Journal: JOURNAL OF THE CHEMICAL SOCIETY DALTON TRANSACTIONS
Abstract: 
The platinum complex [{PtCl2(C2H4)}2(dpf *) 1 [dpf * = octamethyl-5,5′-di(2-pyridyl)ferrocene] has been obtained by the reaction of dpf * with K[PtCl3(C2H4)]. The reaction of dpf * with [Cu(NCCH3)4]+[BF4]– afforded the copper complexes [Cu(dpf *)]+ [BF4]–2 and [Cu(dpf *)]+[CuCl2]–3 as well as the ferrocenium salt [dpf *]+[BF4]–4, depending on the stoichiometry. The crystal structures of 1–4 have been determined by X-ray diffraction. The dpf * acts as a bridging ligand in the case of 1 and as a trans-chelating ligand in 2 and 3, which contain near-linear two-co-ordinate copper centres. Complex 3 shows a remarkably short, ligand-unsupported CuI · · · CuI contact [281.0(2) pm]. A cyclovoltammetric study of 2 revealed an unprecedentedly high anodic shift of the half-wave potential of the ferrocene moiety upon co-ordination of Cu+ by dpf *.
Description: 
39776
URI: http://hdl.handle.net/20.500.12779/4236
ISSN: 0300-9246
DOI: 10.1039/a704785a
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