Monofunctionalized pillar[5]arene-based stable [1]pseudorotaxane |
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| Authors: | Cai-Li Sun Jiang-Fei Xu Yu-Zhe Chen Li-Ya Niu Li-Zhu Wua Chen-Ho Tung Qing-Zheng Yang |
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| Institution: | a Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China;
b College of Chemistry, Beijing Normal University, Beijing 100875, China;
c University of the Chinese Academy of Sciences, Beijing 100049, China |
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| Abstract: | We reported a new monofunctionalized pillar5]arene bearing imidazolium moiety that formed stable 1]pseudorotaxane even at high concentration (100 mmol/L) in chloroform. The self-assembly was detailed investigated by multiple methods, including varying concentration 1H NMR, 2D COSY NMR, 2D NOESY NMR, viscosity measurements, 2D DOSY NMR, and HR-ESI-MS analysis. 1]Rotaxane was obtained efficiently through photo thiol-ene reaction which further confirmed the formation of 1]pseudorotaxane. |
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| Keywords: | Pillar[5]arene Self-assembly [1]pseudorotaxanes Thiol-ene reaction |
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