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Dual stimuli-responsive rotaxane-branched dendrimers with reversible dimension modulation

Author

Listed:
  • Xu-Qing Wang

    (East China Normal University)

  • Wei Wang

    (East China Normal University)

  • Wei-Jian Li

    (East China Normal University)

  • Li-Jun Chen

    (East China Normal University)

  • Rui Yao

    (East China Normal University)

  • Guang-Qiang Yin

    (East China Normal University
    University of South Florida)

  • Yu-Xuan Wang

    (East China Normal University)

  • Ying Zhang

    (Beijing Normal University)

  • Junlin Huang

    (East China Normal University)

  • Hongwei Tan

    (Beijing Normal University)

  • Yihua Yu

    (East China Normal University)

  • Xiaopeng Li

    (University of South Florida)

  • Lin Xu

    (East China Normal University)

  • Hai-Bo Yang

    (East China Normal University)

Abstract

With the aim of mimicking biological machines, in which the delicate arrangement of nanomechanical units lead to the output of specific functions upon the external stimulus, the construction of dual stimuli-responsive rotaxane-branched dendrimers was realized in this study. Starting from a switchable organometallic [2]rotaxane precursor, the employment of a controllable divergent approach allowed for the successful synthesis of a family of rotaxane-branched dendrimers up to the third generation with 21 switchable rotaxane moieties located on each branch. More importantly, upon the addition and removal of dimethylsulfoxide (DMSO) molecule or acetate anion as the external stimulus, the amplified responsiveness of the switchable rotaxane units endowed the resultant rotaxane-branched dendrimers the solvent- or anion-controlled molecular motions, thus leading to the dimension modulation. Therefore, we successfully constructed a family of rotaxane-branched dendrimers with dual stimuli-responsiveness that will be a privileged platform for the construction of dynamic supramolecular materials.

Suggested Citation

  • Xu-Qing Wang & Wei Wang & Wei-Jian Li & Li-Jun Chen & Rui Yao & Guang-Qiang Yin & Yu-Xuan Wang & Ying Zhang & Junlin Huang & Hongwei Tan & Yihua Yu & Xiaopeng Li & Lin Xu & Hai-Bo Yang, 2018. "Dual stimuli-responsive rotaxane-branched dendrimers with reversible dimension modulation," Nature Communications, Nature, vol. 9(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-05670-y
    DOI: 10.1038/s41467-018-05670-y
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    Cited by:

    1. Tomoki Nakajima & Shohei Tashiro & Masahiro Ehara & Mitsuhiko Shionoya, 2023. "Selective synthesis of tightly- and loosely-twisted metallomacrocycle isomers towards precise control of helicity inversion motion," Nature Communications, Nature, vol. 14(1), pages 1-9, December.

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