Axially Aligned Confinement of 1,4-Bis(triethylammoniomethyl)benzene by Two p-Sulfonatocalix[4]arenes

Irene Ling, Yatimah Alias, Munirah Rahim, Brian Skelton, Lindsay Byrne, Colin Raston

    Research output: Contribution to journalArticlepeer-review

    6 Citations (Scopus)

    Abstract

    A multiple component bi-layer complex containing 1,4- bis(triethylammoniomethyl)benzene and mono-phosphonium cations, and p-sulfonatocalix[4]arene involves preferential binding of the ammonium cation in the cavities of two geometrically opposed calixarenes with the mono-phosphonium cation embedded within a bilayer of calixarenes. The complex has channels between bilayers ∼14 Å in diameter which are lined with both polar sulfonate groups and the hydrophobic surface of the central part of the ammonium cation. 1H NMR and 1D-ROESY experiments establish the formation of supermolecules of the bis-triethylammonium cation and two calixarenes in solution.

    Original languageEnglish
    Pages (from-to)755-762
    Number of pages8
    JournalAustralian Journal of Chemistry
    Volume65
    Issue number7
    DOIs
    Publication statusPublished - 2012

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