Jump to main content
Jump to site search

Issue 4, 2017
Previous Article Next Article

Supramolecular anion recognition in water: synthesis of hydrogen-bonded supramolecular frameworks

Author affiliations

Abstract

The interaction of tetratopic amidinium-containing receptors with terephthalate anions leads to porous framework materials assembled through charge-assisted hydrogen bonds. The frameworks form in good yield within minutes in water at room temperature, but no framework material is obtained if other anions (Cl, Br, NO3, SO42− or isophthalate2−) are used in place of terephthalate. Two forms of the framework can be prepared: one with a connected pore network, and a more dense phase with discrete voids. We demonstrate that these are the kinetic and thermodynamic products, respectively. Either framework can be prepared independently and can be converted to the other form in response to stimuli. Furthermore, the frameworks can be controllably disassembled and reassembled in response to acid/base triggers suggesting that this new class of materials may have applications in the selective encapsulation and release of guests.

Graphical abstract: Supramolecular anion recognition in water: synthesis of hydrogen-bonded supramolecular frameworks

Back to tab navigation

Supplementary files

Publication details

The article was received on 14 Jan 2017, accepted on 03 Feb 2017 and first published on 16 Feb 2017


Article type: Edge Article
DOI: 10.1039/C7SC00201G
Citation: Chem. Sci., 2017,8, 3019-3025
  • Open access: Creative Commons BY-NC license
  •   Request permissions

    Supramolecular anion recognition in water: synthesis of hydrogen-bonded supramolecular frameworks

    M. Morshedi, M. Thomas, A. Tarzia, C. J. Doonan and N. G. White, Chem. Sci., 2017, 8, 3019
    DOI: 10.1039/C7SC00201G

    This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence. Material from this article can be used in other publications provided that the correct acknowledgement is given with the reproduced material and it is not used for commercial purposes.

    Reproduced material should be attributed as follows:

    • For reproduction of material from NJC:
      [Original citation] - Published by The Royal Society of Chemistry (RSC) on behalf of the Centre National de la Recherche Scientifique (CNRS) and the RSC.
    • For reproduction of material from PCCP:
      [Original citation] - Published by the PCCP Owner Societies.
    • For reproduction of material from PPS:
      [Original citation] - Published by The Royal Society of Chemistry (RSC) on behalf of the European Society for Photobiology, the European Photochemistry Association, and RSC.
    • For reproduction of material from all other RSC journals:
      [Original citation] - Published by The Royal Society of Chemistry.

    Information about reproducing material from RSC articles with different licences is available on our Permission Requests page.

Search articles by author

Spotlight

Advertisements