An anthracene-based photochromic macrocycle as a key ring component to switch a frequency of threading motion |
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| Authors: | Hirose Keiji Shiba Yoshinobu Ishibashi Kazuaki Doi Yasuko Tobe Yoshito |
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| Affiliation: | Division of Frontier Materials Science, Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka 560-8531, Japan. hirose@chem.es.osaka-u.ac.jp |
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| Abstract: | A concept and demonstration of a switching in frequencies of molecular motions are described using a pseudorotaxane system. The setup consists of dibenzylammonium hexafluorophosphate and a photochromic dianthrylethane-based [24]crown-8-type macrocycle, which we designed as a key ring component for the pseudorotaxane system having photocontrollable threading functionality by changing the size of ring component due to the action of light. |
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| Keywords: | crown compounds molecular devices noncovalent interactions photochromism rotaxanes |
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