A chromogenic molecular capsule attributable to dipolar amide resonance structure

A new chromogenic, self-assembled molecular capsule G@22 is developed by introducing four (N,N-dimethyl-4-aminophenyl) azobenzyl moieties on the upper rim of a resorcin[4]arene-based amidoimino-cavitand. The tuning of conjugation between amido and (N,N-dimethyl-4-aminophenyl)azobenzyl groups by acid...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2015-04, Vol.51 (27), p.6006-6009
Main Authors: Park, Yeon Sil, Park, Juwan, Paek, Kyungsoo
Format: Article
Language:English
Subjects:
Amides
Conjugation
Formations
Molecular structure
Titration
Tuning
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Summary:A new chromogenic, self-assembled molecular capsule G@22 is developed by introducing four (N,N-dimethyl-4-aminophenyl) azobenzyl moieties on the upper rim of a resorcin[4]arene-based amidoimino-cavitand. The tuning of conjugation between amido and (N,N-dimethyl-4-aminophenyl)azobenzyl groups by acid-base titration allows naked-eye detection of molecular capsule formation.
ISSN:1359-7345
1364-548X
DOI:10.1039/c4cc10412a