A meso-molecular muscle based on copillar[5]arenes

Yu Yao ¹Peiling Zhang ¹Dan Zhou ¹Zhinan Lai ¹Shijun Li ¹Feihe Huang ²Zibin Zhang¹

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作者信息

1. College of Material,Chemistry and Chemical Engineering,Key Laboratory of Organosilicon Chemistry and Material Technology,Ministry of Education,Key Laboratory of Organosilicon Material Technology,Hangzhou Normal University,Hangzhou 311121,China
2. Department of Chemistry,Stoddart Institute of Molecular Science,Zhejiang University,Hangzhou 310027,China;Green Catalysis Center and College of Chemistry,Zhengzhou University,Zhengzhou 450001,China
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Abstract

A meso-molecular muscle was prepared by capping the[c2]daisy chain based on a mono-functionalized copillar[5]arene with an imidazolium group in its axle.From its crystal structure,we observed that it was a cyclic dimer composed of two mirror image subcomponents,a pR-and a pS-copillar[5]arene.Their conformations were fixed by the doubly interlocked mechanical bond.By comparison of the 1H NMR and COSY spectra,we found that the length of this meso-molecular muscle could be controlled not only by the solvents,but also by the counter anions.

Key words

Pillararenes/Molecular muscles/[c2ldaisy chains/Planar chirality

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基金项目

浙江省自然科学基金(LY22B040001)

Science and Technology Innovation Program of Zhejiang Province(2018R52051)

国家自然科学基金(22035006)

出版年

2024

中国化学快报(英文版)

中国化学会

中国化学快报(英文版)

CSTPCDCSCD

影响因子：0.771

ISSN：1001-8417

参考文献量77

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