Photo-oxidation of unsaturated ferrocenyl-substituted carboxylic acids |
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Authors: | Elizabeth K. Heaney S.R. Logan William E. Watts |
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Affiliation: | School of Physical Sciences, New University of Ulster, Coleraine Northern Ireland |
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Abstract: | In aqueous solution (pH 9) containing N2O, the unsaturated acids -FcCHCH(CH2)nCO2H (n = 0 and 1) and FcCCCO2H each undergo photo-oxidation, upon illumination with u.v. light of wavelength 240-250 nm, giving dipolar ferricenium species which may be chemically reduced back to the original acids. The mechanism of photo-oxidation, which is inhibited by ethanol, appears to be similar to that previously proposed for saturated ω-ferrocenylalkanoic acids. |
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