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Issue 48, 2019
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Reversible helical polymerization of supramolecular toroidal objects

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Abstract

Although great efforts have been made to construct reversible helical supramolecular polymers through self-assembly, the hierarchical helical polymerization of toroidal objects still remains a challenge. Herein, we report that the toroidal architectures assembled from achiral dimeric macrocyclic building blocks are able to undergo reversible helical polymerization through spiral opening in response to heating–cooling cycles. In the presence of enantiomerically pure 2-butanol as a chiral regulator, the polymerization of achiral toroids generates helical polymers with a preferred handedness due to chirality transfer.

Graphical abstract: Reversible helical polymerization of supramolecular toroidal objects

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Publication details

The article was received on 30 Sep 2019, accepted on 10 Nov 2019 and first published on 11 Nov 2019


Article type: Communication
DOI: 10.1039/C9PY01473J
Polym. Chem., 2019,10, 6551-6554

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    Reversible helical polymerization of supramolecular toroidal objects

    B. Shen and M. Lee, Polym. Chem., 2019, 10, 6551
    DOI: 10.1039/C9PY01473J

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