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      Molecular self-assembly behavior of mono[6-0-6(4-carboxyl-phenyl)]-β-CD in solution and solid state

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      Author
      Fan, Zhi
      Zhao, Yanli
      Liu, Yu
      Date of Issue
      2003
      School
      School of Physical and Mathematical Sciences
      Version
      Accepted version
      Abstract
      A novel modified cyclodextrin, mono[6-O-6-(4- carboxyl-phenyl)]-b -CD (1), has been synthesized by the reaction of mono[6-(p-toluenesulfonyl)]- b -CD with 4-hydroxybenzoate, and its molecular self-assembly behavior in both solution and solid state was studied by means of crystallography, NMR spectroscopy and microcalorimetry. The results indicate that the bezoic acid groups are successively penetrated intermolecularly into the adjacent b -CD cavities to form helical columnar supramolecules in the solid state. As compared with crystal, the similar self-assembly behavior of 1 in aqueous solution has also been confirmed by the 1H ROESY spectroscopy. Thermodynamically, the formation of polymeric supramolecules by modified CD in aqueous solution is mainly driven by entropy changes.
      Subject
      DRNTU::Science::Biological sciences::Biochemistry
      Type
      Journal Article
      Series/Journal Title
      Chinese science bulletin
      Rights
      © 2003 Springer. This is the author created version of a work that has been peer reviewed and accepted for publication by Chinese Science Bulletin, Springer.  It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document.  The published version is available at: http://dx.doi.org/10.1007/BF03183955 .
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      http://dx.doi.org/10.1007/BF03183955
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