Communication

Responsive Supramolecular Gels Constructed by Crown Ether Based Molecular Recognition†

  1. Zhishen Ge1,
  2. Jinming Hu1,
  3. Feihe Huang Prof. Dr.2,
  4. Shiyong Liu Prof. Dr.1

Article first published online: 28 JAN 2009

DOI: 10.1002/anie.200805712

Issue

Angewandte Chemie International Edition

Angewandte Chemie International Edition

Volume 48, Issue 10, pages 1798–1802, February 23, 2009

Additional Information

How to Cite

Ge, Z., Hu, J., Huang, F. and Liu, S. (2009), Responsive Supramolecular Gels Constructed by Crown Ether Based Molecular Recognition. Angew. Chem. Int. Ed., 48: 1798–1802. doi: 10.1002/anie.200805712

Author Information

  1. 1

    Hefei National Laboratory for Physical Sciences at the Microscale, Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui 230026 (P.R. China), Fax: (+86) 551-3607348

  2. 2

    Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310027 (P.R. China), Fax: (+86) 571-87953189

  1. †

    This work was financially supported by an Outstanding Youth Fund (50425310) and research grants (20534020, 20674079, and 20874092) from the National Natural Scientific Foundation of China (NNSFC).

Publication History

  1. Issue published online: 17 FEB 2009
  2. Article first published online: 28 JAN 2009
  3. Manuscript Received: 22 NOV 2008

Funded by

  • Outstanding Youth Fund. Grant Numbers: 50425310, 20534020, 20674079, 20874092
  • National Natural Scientific Foundation of China (NNSFC)

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Keywords:

  • crown compounds;
  • gels;
  • molecular recognition;
  • ring-opening polymerization;
  • supramolecular chemistry

Abstract

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Responsive supramolecular gels were constructed from crown ether terminated four-arm star poly(ε-caprolactone) (PCL–DB24C8) and dibenzylammonium-terminated two-arm PCL–DBAS (see scheme), exploiting the formation of pseudorotaxane linkages between crown ether and ammonium moieties. The resultant supramolecular gels exhibit thermo- and pH-induced reversible gel–sol transition.

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