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  • Electrochemical anion recognition with ferrocene functionalized macrocycles.

    Author(s)
    V. Bernhardt, Paul
    L. Creevey, Nicole
    Griffith University Author(s)
    Knight, Nicole
    Year published
    2004
    Metadata
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    Abstract
    The syntheses and characterization of two new redox active cyclam ligands ferrocenylmethyl-(6-methyl-1,4,8,11-tetraazacyclotetradec-6-yl)-amine (L3) and 1,1'-ferrocenylmethyl-bis(6-methyl-1,4,8,11-tetraazacyclotetradec-6-yl)-amine (L4) are reported. The compounds each possess a ferrocenyl group bearing one (L3) or two (L4) appended macrocycles linked by their exocyclic amino groups and the crystal structures of both compounds have been determined. Anion binding of L3 and L4 was investigated by electrochemical titrations where H-bonding to each macrocycle causing a shift in the Fc+/0 redox potential was used as a reporter of ...
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    The syntheses and characterization of two new redox active cyclam ligands ferrocenylmethyl-(6-methyl-1,4,8,11-tetraazacyclotetradec-6-yl)-amine (L3) and 1,1'-ferrocenylmethyl-bis(6-methyl-1,4,8,11-tetraazacyclotetradec-6-yl)-amine (L4) are reported. The compounds each possess a ferrocenyl group bearing one (L3) or two (L4) appended macrocycles linked by their exocyclic amino groups and the crystal structures of both compounds have been determined. Anion binding of L3 and L4 was investigated by electrochemical titrations where H-bonding to each macrocycle causing a shift in the Fc+/0 redox potential was used as a reporter of guest binding. The ZnII complex of L3 has also been isolated and characterized structurally. These compounds were analysed for their capacity to electrochemically recognize anions in both aqueous and non-aqueous solution. We have found that L3, L4 and [ZnL3]2+ sense Cl- and AcO- anions in MeCN-CH2Cl2, a function that is lost in aqueous solution.
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    Journal Title
    Dalton Transactions
    Volume
    6
    DOI
    https://doi.org/10.1039/B400538D
    Subject
    Transition Metal Chemistry
    Inorganic Chemistry
    Theoretical and Computational Chemistry
    Other Chemical Sciences
    Publication URI
    http://hdl.handle.net/10072/60551
    Collection
    • Journal articles

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