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Metal Actuated Ring Translocation Switches in Water

Hang Yin 1 Roselyne Rosas 2 Didier Gigmes 3 Olivier Ouari 3 Ruibing Wang 1 Anthony Kermagoret 3 David Bardelang 3
1 Institute of Chinese Medical Sciences - State Key Laboratory of Quality Research in Chinese Medicine Taipa, Macau SAR,
2 FRSCM - Fédération des Sciences Chimiques de Marseille
3 ICR - Institut de Chimie Radicalaire
Abstract : Among a series of metal ions in water, silver is the only one to remotely and reversibly switch cucurbit[7]uril (CB[7]) movements (translocation or uptake) on a rigid and linear three station viologen phenylene imidazole (V-P-I) derivative, avoiding undesired pH actuation. H-1 NMR, UV-vis spectroscopy, mass spectrometry, ITC, and modeling were combined to show that ring translocation or uptake along a molecular thread is possible in water by Ag+ as a metal stimulus.
Keywords : artificial molecular machines benzimidazolium binding cations chemistry coordination cucurbituril recognition sites shuttle synthetic receptor
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https://hal-amu.archives-ouvertes.fr/hal-02091859
Contributor : Didier Gigmes <>
Submitted on : Saturday, April 6, 2019 - 5:15:57 PM
Last modification on : Thursday, July 9, 2020 - 1:12:03 PM

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UNIV-AMU | CNRS | EC-MARSEILLE | INC-CNRS

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Hang Yin, Roselyne Rosas, Didier Gigmes, Olivier Ouari, Ruibing Wang, et al.. Metal Actuated Ring Translocation Switches in Water. Organic Letters, American Chemical Society, 2018, 20 (11), pp.3187--3191. ⟨10.1021/acs.orglett.8601019⟩. ⟨hal-02091859⟩

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