title: Photoinduced guest transformation promotes translocation of guest from hydroxypropyl-β-cyclodextrin to cucurbit[7]uril.
abstract: We report that three-component systems comprising styryl dyes (1 or 2) and two hosts (hydroxypropyl-β-cyclodextrin (HP-β-CD) and cucurbit[7]uril (CB[7])) undergo photoinduced transformation and translocation of the styryl guest from the cavity of HP-β-CD to CB[7]. We find that the protonation of guest trans-1 or the addition of Ba(2+) as competitor for CB[7] triggers dissociation of the container-guest complexes.
authors.affiliation: A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilova St., 119991 Moscow, Russian Federation. fedorova@ineos.ac.ru.
authors.forename: Yuri V
authors.initials: YV
authors.lastname: Fedorov
authors.forename: Sergey V
authors.initials: SV
authors.lastname: Tkachenko
authors.forename: Ekaterina Yu
authors.initials: EY
authors.lastname: Chernikova
authors.forename: Ivan A
authors.initials: IA
authors.lastname: Godovikov
authors.forename: Olga A
authors.initials: OA
authors.lastname: Fedorova
authors.forename: Lyle
authors.initials: L
authors.lastname: Isaacs