title: Five-state molecular switching of a [3]rotaxane in response to weak and strong acid and base stimuli.
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.
authors.affiliation: Department of Materials Science and Engineering, Faculty of Engineering, University of Fukui, Bunkyo, Fukui 910-8507, Japan. tokunaga@matse.u-fukui.ac.jp.
authors.forename: Yuji
authors.initials: Y
authors.lastname: Tokunaga
authors.forename: Syuji
authors.initials: S
authors.lastname: Ikezaki
authors.forename: Masaki
authors.initials: M
authors.lastname: Kimura
authors.forename: Kenji
authors.initials: K
authors.lastname: Hisada
authors.forename: Tsuneomi
authors.initials: T
authors.lastname: Kawasaki