Title

Chiral recognition of propranolol with β-cyclodextrin in the presence of 1- and 2-butanol

Document Type

Article

Publication Date

2-1-2005

Abstract

The purpose of this work is to investigate the chiral recognition characteristics of β-cyclodextrin with two propranolol enantiomers in the presence of organic additives. Steady-state fluorescence measurements of propranolol/β-cyclodextrin (β-CD) complexes were performed for solutions containing either 1- or 2-butanol. For each 2-butanol isomer solution, the interactions were assessed by comparing the changes in the fluorescence of (R)-(+)- propranolol versus (S)-(-)-propranolol as a function of CD concentration. A similar comparison study was done for the propranolol enantiomers in the presence of 1-butanol. The intensity changes for propranolol are relatively small upon addition of β-CD in the presence of the butanol alcohol. However, the present work shows that the interaction of (R)-(+)-propranolol with β-CD is influenced by the chirality of 2-butanol in contrast to (S)-(-)-propranolol. © Springer 2005.

Publication Source (Journal or Book title)

Journal of Inclusion Phenomena

First Page

87

Last Page

91

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