Abstract
Molecular inclusion reaction of positively charged β-cyclodextrin, mono[6-(1-pyridin o)-6-deoxy]-β-cyclodextrin (β-CDxPy+) and mono[6-(l-ethylenediamino)-6-deoxy]-β-cyclodextrin (β-CDxen), with sodium p-(3-t-butyl-4-hydroxyphenylazo)benzene sulfonate (3-tBuHAB) was investigated by u.v.-visible, 1H-n.m.r., and CD spectroscopy. The presence of the electrostatic interaction in the host guest was demonstrated only in the acidic pH region for the β-CDx-enH2 2+ system. On the other hand, in the β-CDxPy+ system, the electrostatic interaction would exist in pH region ranging from 3 to 12.
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© 1988 Kluwer Academic Publishers
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Taneya, A., Yoshida, N., Fujimoto, M. (1988). Molecular Inclusion Reaction of Charged Cyclodextrins. In: Huber, O., Szejtli, J. (eds) Proceedings of the Fourth International Symposium on Cyclodextrins. Advances in Inclusion Science, vol 5. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-2637-0_32
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DOI: https://doi.org/10.1007/978-94-009-2637-0_32
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-010-7690-6
Online ISBN: 978-94-009-2637-0
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