Issue 95, 2021

Dendronized polydiacetylenes via photo-polymerization of supramolecular assemblies showing thermally tunable chirality

Abstract

Transformation of supramolecular chiral assemblies into covalent polymers integrates characteristics of supramolecular chemistry together with covalent entities, leading to fabrication of covalent chiral materials through versatile supramolecular chiral assemblies. Here, we report supramolecular assembly of an amphiphilic dendronized 10,12-pentacosadiynoic amide (PCDA) in aqueous solutions to form twisted ribbons, which were transferred into covalent dendronized polydiacetylenes (PDAs) via photopolymerization. These supramolecular dendronized PCDA and the corresponding covalent dendronized PDAs showed unprecedent thermoresponsive properties. The thermally-induced dehydration and aggregations tuned reversibly their chiralities, which can be visually inspected through colour changes.

Graphical abstract: Dendronized polydiacetylenes via photo-polymerization of supramolecular assemblies showing thermally tunable chirality

Supplementary files

Article information

Article type
Communication
Submitted
23 ก.ย. 2564
Accepted
09 พ.ย. 2564
First published
10 พ.ย. 2564

Chem. Commun., 2021,57, 12780-12783

Dendronized polydiacetylenes via photo-polymerization of supramolecular assemblies showing thermally tunable chirality

Y. Liu, Y. Lin, Y. Cao, A. Zhi, J. Chen, W. Li, B. Demir, D. J. Searles, A. K. Whittaker and A. Zhang, Chem. Commun., 2021, 57, 12780 DOI: 10.1039/D1CC05358B

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