Synthesis and characterisation of aromatic ethynyl-bridged ferrocenes

N Chawdhury, N J Long, M F Mahon, L L Ooi, P R Raithby, S Rooke, A J P White, D J Williams, M Younus

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Abstract

A series of aromatic ethynyl-bridged ferrocenes with the general formula Fc-CdropC-R-CdropC-Fc (Fc = ferrocenyl, R = C6H2(-p-CH3)(2) (1), C6H4-p-C6H4 (2), C5H3N (3), 9,10-C14H8 (4), C4H2S (5), (C4H2S)(2) (6) and (C4H2S)(3) (7)) has been synthesised by the reaction of ethynyl ferrocene with the appropriate dibromo-arenes. The new complexes have been characterised by spectroscopic techniques. The structures of 3 and 7 were determined via X-ray crystallography, and both show the trans-trans configuration of the two ethynyl ferrocene groups with respect to the central R group. The electronic properties of the compounds have been studied via optical spectroscopy and cyclic voltammetry. (C) 2004 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)840-847
Number of pages8
JournalJournal of Organometallic Chemistry
Volume689
Issue number4
DOIs
Publication statusPublished - 2004

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    Chawdhury, N., Long, N. J., Mahon, M. F., Ooi, L. L., Raithby, P. R., Rooke, S., White, A. J. P., Williams, D. J., & Younus, M. (2004). Synthesis and characterisation of aromatic ethynyl-bridged ferrocenes. Journal of Organometallic Chemistry, 689(4), 840-847. https://doi.org/10.1016/j.jorganchem.2003.11.035