Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Tetraarylporphyrins as Probes for Studying Mechanism of Inclusion-complex Formation of Cyclodextrins. Effect of Microscopic Environment on Inclusion of Ionic Guests
Koji KanoNaoya TanakaHideo MinamizonoYoshihiro Kawakita
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1996 Volume 25 Issue 11 Pages 925-926

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Abstract

The pKa values and the 1H NMR spectra of tetraarylporphyrins in the presence of cyclodextrins suggest that the microscopic environment of the positively polarized cavity of cyclodextrin promotes the inclusion of the anionic guest and prohibits the penetration of the cationic guest into the cyclodextrin cavity.

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© 1996 The Chemical Society of Japan
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