Journal
CRYSTAL GROWTH & DESIGN
Volume 9, Issue 10, Pages 4243-4246Publisher
AMER CHEMICAL SOC
DOI: 10.1021/cg900573w
Keywords
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Funding
- Ministry of Education, Culture, Sports, Sciences and Technology (Monbukagakusho) of Japan
- Mochida Memorial Foundation for Medical and Pharmaceutical Research, Japan
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Scaled-heating of salicylic acid (SA) and polyethylene glycol (PEG)/gamma-cyclodextrin (CD)-polypseudorotaxane induced a novel complex formation wherein SA was inhabited in the intermolecular spaces formed by the gamma-CD/polypseudorotaxane columns. Incorporation of SA into the PEG/gamma-CD-polypseudorotaxane structure was clarified by powder X-ray diffraction measurements and C-13-solid-state NMR spectroscopy. Different water vapor adsorption and desorption behaviors between the novel complex and PEG/gamma-CD-polypseudorotaxane confirmed the incorporation of SA molecules into the intermolecular spaces in the complex.
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