期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 85, 期 14, 页码 8944-8951出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.joc.0c00852
关键词
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资金
- MINECO [RYC-2015-18471, CTQ2017-84087-R, BIO2017-84246-C2-1-R, PGC2018-097583-B-I00]
- FSE [RYC-2015-18471, CTQ2017-84087-R]
- FEDER [RYC-2015-18471, CTQ2017-84087-R]
- JST CREST
- Gobierno de Aragon [LMP150_18, E47_17R]
Liquid crystal macrocycles (LCMs) combine the unique properties of liquid crystals with those associated with macrocyclic compounds-shape persistence and the capability of hosting small molecules. Herein, we investigate the grafting of coumarin-containing promesogenic moieties to pillar[5]arene as a strategy to obtain multifunctional LCMs. Pillar[S]arenes containing 10 and 30 coumarin units are glassy materials with nematic mesomorphism. Moreover, the coumarin moieties afford the pillar[5]arene derivatives with enhanced film-forming and photoresponsive properties. Photodimerization of the coumarin moieties results in cross-linked polymer networks, which can be used as alignment layers. Therefore, liquid-crystal coumarin-containing pillar[5]-arenes represent a significant addition to the family of LCMs and may become useful for the development of engineered, hierarchical structures and materials.
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