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Supramolecular polymers were prepared by inclusion of a guest in cyclodextrin via a covalent bond. The structures of the supramolecular oligomers and polymers were determined by X-ray studies, NMR measurements, absorption and circular dichroism spectra. The sizes of the supramolecular polymers were determined by vapor pressure osmometry and pulsed-field gradient NMR. Although hydrocinnamoyl β-cyclodextrin...
Cyclodextrins (α-CD, β-CD and 2,6-di-O-dimethyl-β-CD (DM-β-CD)) were found to form inclusion compounds with thiophenes (thiophene (T), bithiophene (2T)) in water and in crystalline states. The structures of α-CD–T, β-CD–2T, and DM-β-CD–2T inclusion complexes were determined by X-ray crystallography. DM-β-CD forms a 1:1 cage type complex with 2T. In contrast, β-CD formed 2:3 (CD:guest) complexes with...
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