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Porous organic molecular solids by dynamic covalent scrambling

Author

Listed:
  • Shan Jiang

    (Department of Chemistry and Centre for Materials Discovery)

  • James T. A. Jones

    (Department of Chemistry and Centre for Materials Discovery)

  • Tom Hasell

    (Department of Chemistry and Centre for Materials Discovery)

  • Charlotte E. Blythe

    (Department of Chemistry and Centre for Materials Discovery)

  • Dave J. Adams

    (Department of Chemistry and Centre for Materials Discovery)

  • Abbie Trewin

    (Department of Chemistry and Centre for Materials Discovery)

  • Andrew I. Cooper

    (Department of Chemistry and Centre for Materials Discovery)

Abstract

The main strategy for constructing porous solids from discrete organic molecules is crystal engineering, which involves forming regular crystalline arrays. Here, we present a chemical approach for desymmetrizing organic cages by dynamic covalent scrambling reactions. This leads to molecules with a distribution of shapes which cannot pack effectively and, hence, do not crystallize, creating porosity in the amorphous solid. The porous properties can be fine tuned by varying the ratio of reagents in the scrambling reaction, and this allows the preparation of materials with high gas selectivities. The molecular engineering of porous amorphous solids complements crystal engineering strategies and may have advantages in some applications, for example, in the compatibilization of functionalities that do not readily cocrystallize.

Suggested Citation

  • Shan Jiang & James T. A. Jones & Tom Hasell & Charlotte E. Blythe & Dave J. Adams & Abbie Trewin & Andrew I. Cooper, 2011. "Porous organic molecular solids by dynamic covalent scrambling," Nature Communications, Nature, vol. 2(1), pages 1-7, September.
    • Handle: RePEc:nat:natcom:v:2:y:2011:i:1:d:10.1038_ncomms1207
    DOI: 10.1038/ncomms1207
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