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New di-ferrocenyl-ethynylpyridinyl triphenylphosphine copper halide complexes and related di-ferricenyl electro-crystallized materials


Reference:

Shah, H.H., Al-Balushi, R.A., Al-Suti, M.K., Khan, M.S., Marken, F., Sudlow, A.L., Kociok-Kohn, G., Woodall, C.H., Raithby, P.R. and Molloy, K.C., 2014. New di-ferrocenyl-ethynylpyridinyl triphenylphosphine copper halide complexes and related di-ferricenyl electro-crystallized materials. Dalton Transactions, 43 (25), pp. 9497-9507.

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    Official URL:

    http://dx.doi.org/10.1039/c3dt52914b

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    Abstract

    Three new neutral di-ferrocenyl-ethynylpyridinyl copper complexes, [L (CuCl)(PPh)] (2), [L (CuBr)(PPh)] (3), and [L (CuI)(PPh)] (4) were synthesized from the ferrocenyl-ethynylpyridine ligand (L) (1), the appropriate copper halide CuX (with X = Cl, Br, I) and triphenylphosphine. These neutral complexes were fully characterized by spectroscopic methods and by single crystal X-ray crystallography. Cyclic voltammetry in dichloroethane revealed chemically reversible ferrocenyl oxidation signals followed by characteristic "stripping reduction peaks" showing evidence for oxidation-product electro-crystallization. Scanning electron microscopy confirmed spontaneous formation of crystalline oxidation products with three distinct morphologies for X = Cl, Br, I. Energy dispersive X-ray elemental analysis data show Fe:P ratios of 1:2.0, 1:2.1 and 1:2.1 for electro-crystallization products of complexes 2, 3, and 4, respectively, indicating the presence of two [PF ] anions in the vicinity of the dioxidized complexes, and suggesting product formulae [2][PF] , [3][PF] and [4][PF]. © 2014 the Partner Organisations.

    Details

    Item Type Articles
    CreatorsShah, H.H., Al-Balushi, R.A., Al-Suti, M.K., Khan, M.S., Marken, F., Sudlow, A.L., Kociok-Kohn, G., Woodall, C.H., Raithby, P.R. and Molloy, K.C.
    DOI10.1039/c3dt52914b
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    URLURL Type
    http://www.scopus.com/inward/record.url?scp=84902108525&partnerID=8YFLogxKUNSPECIFIED
    DepartmentsFaculty of Science > Chemistry
    Research Centres & Institutes > Institute for Sustainable Energy and the Environment
    Research CentresCentre for Sustainable Chemical Technologies
    RefereedYes
    StatusPublished
    ID Code40040

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