Affiliation:
1. Institut für Anorganische und Analytische Chemie der Universität Innsbruck, Innrain 52 a, A-6020 Innsbruck, Österreich
2. Institut für Analytische Chemie der Universität Wien, Wäluingerstraßc 38, Λ 1090 Wien, Österreich
Abstract
The first example of a diplumba[1.1]ferrocenophane[cpPb(ø2)cp]2Fe2 has been prepared from ø2PbCl2 and 1,1′-dilithioferrocene 2 TMEDA. The preparation of further four ferrocenyl-phenyl-plumbanes, including the hitherto unknown compounds (ø3Pbcp)2Fe, Fc2Pb2ø2 and [(ø3Pb)cpFecp]FcPbø2 has been achieved by reaction of a mixture of monolithioferrocene · TMEDA and 1,1′-dilithioferrocene 2 TMEDA with ø 2PbCl2 and ø3PbCl, respectively.
These compounds have been investigated by 1H, 13C and 207Pb NMR spectroscopy as well as by half-wave potential measurements, EI, FD and PD mass spectrometry.
The results were discussed in terms of the possibility of Pb/Fe metal orbital overlap.
There is evidence from the VT 1H NMR spectra for conformational flexibility of the diplumba[ 1.1 ]ferrocenophane.
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21 articles.
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