Retardation of the Molecular Rotation of <i>p</i>-Nitrophenolate Ion in the Cavity of a Positively Charged Derivative of α-Cyclodextrin by Electrostatic Interactions

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  • Jalaluddin Ahmed
    Department of Life Science and Biotechnology, Faculty of Life and Environmental Science, Shimane University
  • Takuya Nagata
    Department of Life Science and Biotechnology, Faculty of Life and Environmental Science, Shimane University
  • Shinji Imaoka
    Department of Life Science and Biotechnology, Faculty of Life and Environmental Science, Shimane University
  • Yoshihisa Matsui
    Department of Life Science and Biotechnology, Faculty of Life and Environmental Science, Shimane University
  • Tatsuyuki Yamamoto
    Department of Life Science and Biotechnology, Faculty of Life and Environmental Science, Shimane University

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Abstract

<jats:title>Abstract</jats:title> <jats:p>1H NMR signal for the C(5)-H of A, D glucose residues of bis[6A,6D-(1-pyridinio)-6A,6D-deoxy]-α-cyclodextrin shifted downfield, whereas those of B, E and C, F residues shifted upfield, with the addition of p-nitrophenol at pD 11.3. This infers that the molecular rotation of the guest is retarded in the CD cavity.</jats:p>

Journal

  • Chemistry Letters

    Chemistry Letters 29 (8), 960-961, 2000-08-01

    Oxford University Press (OUP)

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