Journal
CHEMICAL COMMUNICATIONS
Volume 57, Issue 95, Pages 12780-12783Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1cc05358b
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Funding
- National Natural Science Foundation of China [21971160, 21971161]
- Shanghai Pujiang Program [19PJ1403700]
- Program for Professor of Special Appointment (Eastern Scholar) at Shanghai Institutions of Higher Learning [TP2019039]
- Australian Government
- government of Western Australia
- Queensland Cyber Infrastructure Foundation
- University of Queensland Research Computing Centre
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This study demonstrates the transformation of supramolecular chiral assemblies into covalent polymers for the fabrication of versatile covalent chiral materials. The thermoresponsive properties of the supramolecular dendronized PCDA and the corresponding covalent dendronized PDAs are unprecedented, with their chiralities reversibly tuned by thermally-induced dehydration and aggregations, visually detectable through color changes.
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.
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