Switching between Supramolecular Dimer and Nonthreaded Supramolecular Self-Assembly of Stilbene Amide-α-Cyclodextrin by Photoirradiation

Switching between Supramolecular Dimer and Nonthreaded Supramolecular Self-Assembly of Stilbene Amide-α-Cyclodextrin by Photoirradiation

3-trans-Stilbene amide-α-cyclodextrin (3-trans-Sti-α-CD) formed a double-threaded dimer in aqueous solutions. In contrast, the photoisomerization of the stilbene moiety in 3-Sti-α-CD from trans to cis leads to the structural changes from the double-threaded dimer to nonthreaded supramolecular assemb...

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Veröffentlicht in:Journal of the American Chemical Society 2008-04, Vol.130 (15), p.5024-5025
Hauptverfasser: Yamauchi, Kazuhiro, Takashima, Yoshinori, Hashidzume, Akihito, Yamaguchi, Hiroyasu, Harada, Akira
Format: Artikel
Sprache:eng
Schlagworte:
alpha-Cyclodextrins - chemistry
Amides - chemistry
Crystallography, X-Ray
Dimerization
Magnetic Resonance Spectroscopy
Mass Spectrometry
Models, Molecular
Molecular Structure
Photochemistry
Stilbenes - chemistry
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Beschreibung
Zusammenfassung:3-trans-Stilbene amide-α-cyclodextrin (3-trans-Sti-α-CD) formed a double-threaded dimer in aqueous solutions. In contrast, the photoisomerization of the stilbene moiety in 3-Sti-α-CD from trans to cis leads to the structural changes from the double-threaded dimer to nonthreaded supramolecular assemblies in aqueous solutions. The structures of these supramolecular complexes have been found to be controllable by photoirradiation.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja7113135