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Cation controlled rotation in anionic pillar[5]arenes and its application for fluorescence switch

Author

Listed:
  • Hao Zheng

    (Nanjing University)

  • Lulu Fu

    (Nanjing University)

  • Ranran Wang

    (Nanjing University)

  • Jianmin Jiao

    (Nanjing University)

  • Yingying Song

    (Nanjing University)

  • Conghao Shi

    (Nanjing University)

  • Yuan Chen

    (Nanjing University)

  • Juli Jiang

    (Nanjing University
    Ma’anShan High-Tech Research Institute of Nanjing University)

  • Chen Lin

    (Nanjing University)

  • Jing Ma

    (Nanjing University)

  • Leyong Wang

    (Nanjing University)

Abstract

Controlling molecular motion is one of hot topics in the field of chemistry. Molecular rotors have wide applications in building nanomachines and functional materials, due to their controllable rotations. Hence, the development of novel rotor systems, controlled by external stimuli, is desirable. Pillar[n]arenes, a class of macrocycles, have a unique planar chirality, in which two stable conformational isomers pR and pS would interconvert by oxygen-through-the-annulus rotations of their hydroquinone rings. We observe the differential kinetic traits of planar chirality transformation in sodium carboxylate pillar[5]arene (WP5-Na) and ammonium carboxylate pillar[5]arene (WP5-NH4), which inspire us to construct a promising rotary platform in anionic pillar[5]arenes (WP5) skeletons. Herein, we demonstrate the non-negligible effect of counter cations on rotational barriers of hydroquinone rings in WP5, which enables a cation grease/brake rotor system. Applications of this tunable rotor system as fluorescence switch and anti-counterfeiting ink are further explored.

Suggested Citation

  • Hao Zheng & Lulu Fu & Ranran Wang & Jianmin Jiao & Yingying Song & Conghao Shi & Yuan Chen & Juli Jiang & Chen Lin & Jing Ma & Leyong Wang, 2023. "Cation controlled rotation in anionic pillar[5]arenes and its application for fluorescence switch," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-36131-w
    DOI: 10.1038/s41467-023-36131-w
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    References listed on IDEAS

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    1. Víctor García-López & Fang Chen & Lizanne G. Nilewski & Guillaume Duret & Amir Aliyan & Anatoly B. Kolomeisky & Jacob T. Robinson & Gufeng Wang & Robert Pal & James M. Tour, 2017. "Molecular machines open cell membranes," Nature, Nature, vol. 548(7669), pages 567-572, August.
    2. Sisi Liu & Mengfan Wang & Tao Qian & Haoqing Ji & Jie Liu & Chenglin Yan, 2019. "Facilitating nitrogen accessibility to boron-rich covalent organic frameworks via electrochemical excitation for efficient nitrogen fixation," Nature Communications, Nature, vol. 10(1), pages 1-9, December.
    3. Jiabin Yao & Wanhua Wu & Chao Xiao & Dan Su & Zhihui Zhong & Tadashi Mori & Cheng Yang, 2021. "Overtemperature-protection intelligent molecular chiroptical photoswitches," Nature Communications, Nature, vol. 12(1), pages 1-9, December.
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    Cited by:

    1. Heng Li & Zhijin Li & Chen Lin & Juli Jiang & Leyong Wang, 2024. "Precise recognition of benzonitrile derivatives with supramolecular macrocycle of phosphorylated cavitand by co-crystallization method," Nature Communications, Nature, vol. 15(1), pages 1-9, December.

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