期刊
REACTIVE & FUNCTIONAL POLYMERS
卷 138, 期 -, 页码 1-8出版社
ELSEVIER
DOI: 10.1016/j.reactfunctpolym.2019.02.005
关键词
Cyclic polymers; Cyclic poly(ionic liquid)s; Ring-closure; Counter-anion exchange
资金
- Huazhong University of Science and Technology [3004013118]
- Selected Postdoctoral Technology Foundation in Huibei Provinece of China
- European Research Council (ERC) Starting Grant [639720-NAPOLI]
- Wallenberg Academy Fellow program from the Knut and Alice Wallenbergs Foundation in Sweden [KAW2017.0166]
- Strategic Fund from Stockholm University [SU FV-2.1.1-005]
Charged cyclic polymers, e.g. cyclic DNAs and polypeptides, play enabling roles in organisms, but their synthesis was challenging due to the well-known polyelectrolyte effect. To tackle the challenge, we developed a templated method to synthesize a library of imidazolium and pyridinium based cyclic poly(ionic liquid)s. Cyclic templates, cyclic polyimidazole and poly(2-pyridine), were synthesized first through ring-closure method by light-induced Diels - Alder click reaction. Through quaternization of cyclic templates followed by anion metathesis, the cyclic poly(ionic liquid)s were synthesized, which paired with varied counter anions.
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