The nature of 4-aminophthalimide-cyclodextrin inclusion complexes

Soujanya, T. ; Krishna, T. S. R. ; Samanta, A. (1992) The nature of 4-aminophthalimide-cyclodextrin inclusion complexes The Journal of Physical Chemistry, 96 (21). pp. 8544-8548. ISSN 0022-3654

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Official URL: http://pubs.acs.org/doi/abs/10.1021/j100200a061

Related URL: http://dx.doi.org/10.1021/j100200a061

Abstract

The complexation between 4-aminophthalimide and cycodextrin has been investigated in aqueous solution using steady-state and time-resolved fluorescence techniques. While 1:1 complex formation with α or β-cyclodextrin is evident from the presence of the isosbestic point in a absorption and analysis of fluorescence spectral data, the binding is rather weak with γ-cyclodextrin and more than one type of complex are indicated. The complexes of α- and β-cyclodextrins have been characterized through the measurement of fluorescence spectra, quantum, yields, and lifetimes. On the basis of the available experimental data and the results of AMI calculation on the probe molecule, possible structure of these complexes suggested.

Item Type:Article
Source:Copyright of this article belongs to American Chemical Society.
ID Code:86737
Deposited On:12 Mar 2012 16:01
Last Modified:12 Mar 2012 16:01

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