The threading−dethreading of a photoinactive pH-switchable calix[6]arene bipyridinium pseudorotaxane in solution has been controlled by visible light irradiation using a merocyanine compound as a photoacid. The coupling between the two molecular switches that communicate with one another by intermolecular proton transfer provides a general principle for the operation of acid−base controllable molecular machines with light.
A Simple Molecular Machine Operated by Photoinduced Proton Transfer / S., Silvi; Arduini, Arturo; Pochini, Andrea; Secchi, Andrea; M., Tomasulo; F. M., Raymo; M., Baroncini; A., Credi. - In: JOURNAL OF THE AMERICAN CHEMICAL SOCIETY. - ISSN 0002-7863. - 129:(2007), pp. 13378-13379. [10.1021/ja0753851]
A Simple Molecular Machine Operated by Photoinduced Proton Transfer
ARDUINI, Arturo;POCHINI, Andrea;SECCHI, Andrea;
2007-01-01
Abstract
The threading−dethreading of a photoinactive pH-switchable calix[6]arene bipyridinium pseudorotaxane in solution has been controlled by visible light irradiation using a merocyanine compound as a photoacid. The coupling between the two molecular switches that communicate with one another by intermolecular proton transfer provides a general principle for the operation of acid−base controllable molecular machines with light.| File | Dimensione | Formato | |
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