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Issue 66, 2014
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Two-dimensional supramolecular spring: coordination driven reversible extension and contraction of bridged half rings

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Abstract

A tetraethylene glycol ether bridged derivative 9 has been designed and synthesized, and its two-dimensional (2D) self-assembled behavior has been investigated at the single-molecule level. Our results revealed that 9 generally adopted the fully extended state but changed to the contracted state when triggered by K2CO3, and recovered the original fully extended conformation after subsequent addition of 18-crown-6. Such a coordination-controlled reversible assembly reveals supramolecular springs in response to chemical stimuli, which is of great interest in bionics and materials science.

Graphical abstract: Two-dimensional supramolecular spring: coordination driven reversible extension and contraction of bridged half rings

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Publication details

The article was received on 21 Mar 2014, accepted on 18 Jun 2014 and first published on 20 Jun 2014


Article type: Communication
DOI: 10.1039/C4CC02120G
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Chem. Commun., 2014,50, 9369-9371

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    Two-dimensional supramolecular spring: coordination driven reversible extension and contraction of bridged half rings

    D. Luo, X. Zhang, Y. Shen, J. Xu, L. Shu, Q. Zeng and C. Wang, Chem. Commun., 2014, 50, 9369
    DOI: 10.1039/C4CC02120G

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