Citation:
Cai-Li Sun, Jiang-Fei Xu, Yu-Zhe Chen, Li-Ya Niu, Li-Zhu Wua, Chen-Ho Tung, Qing-Zheng Yang. Monofunctionalized pillar[5]arene-based stable [1]pseudorotaxane[J]. Chinese Chemical Letters,
;2015, 26(7): 843-846.
doi:
10.1016/j.cclet.2015.05.030
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We reported a new monofunctionalized pillar[5]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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