Manipulating the conformation and interplay of p-sulfonated calix[4]arenes by lower rim tri-substitution with N'-cyanocarbamimidate groups

Irene Ling, Brian Skelton, Alexandre Sobolev, Yatimah Alias, Colin Raston

    Research output: Contribution to journalArticle

    2 Citations (Scopus)

    Abstract

    p-Sulfonatocalix[4]arenes with three of the lower rim hydroxyl groups substituted with N′-cyanocarbamimidate groups crystallizes in the 1,3-alternate conformation rather than the common cone conformation for unsubstituted calixarenes, which also results in departure from the common bilayer arrangement of sulfonated calix[4]arenes. The new calixarene formed via reaction of the phenolic moieties of the p-sulfonatocalix[4]arene with the dicyanamide anion derived from an ionic liquid with an imidazolium cation.

    Original languageEnglish
    Pages (from-to)5159-5164
    Number of pages6
    JournalCrystEngComm
    Volume16
    Issue number23
    DOIs
    Publication statusPublished - 2014

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