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Chem Commun (Camb). 2013 Dec 28;49(100):11749-51. doi: 10.1039/c3cc47343k.

Five-state molecular switching of a [3]rotaxane in response to weak and strong acid and base stimuli.

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1
Department of Materials Science and Engineering, Faculty of Engineering, University of Fukui, Bunkyo, Fukui 910-8507, Japan. tokunaga@matse.u-fukui.ac.jp.

Abstract

This communication describes the base- and acid-induced five-state translational isomerization of a [3]rotaxane containing two pairs of N-arylamine and N-alkylamine centers as binding sites for two dibenzo[24]crown-8 components. Gradual molecular shuttling of this [3]rotaxane is achieved in response to both the amount and strength of the added acid or base.

PMID:
24196369
DOI:
10.1039/c3cc47343k
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