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A Redox‐Responsive Complex System Based on 2 D Shape‐Persistent Cyclo[6]aramide and Ferrocenium

A Redox‐Responsive Complex System Based on 2 D Shape‐Persistent Cyclo[6]aramide and Ferrocenium Electrochemical stimuli‐responsive systems via macrocyclic host–guest interactions are of practical significance in realizing functions of biological materials and synthetic molecular machines. In this study, a cyclo[6]aramide‐ferrocenium (Fc+) recognition motif was demonstrated to be a novel redox‐responsive system based on two‐dimensional (2D) macrocycle in organic media, in which the host strongly binds the oxidized form Fc+ and shows no complexation towards the reduced form ferrocene. Results from cyclic voltammetric experiments clearly show the redox responsiveness of the claimed system, in sharp contrast to a control system based on an acyclic compound that contains the same number of introverted amide oxygens, highlighting the importance of the macrocyclic effect in the redox process. This study provides a rare example of using 2D hydrogen‐bonded aromatic amide macrocycles to form a ferrocene‐based redox‐responsive inclusion complex and thus paves the way for future applications. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Asian Journal of Organic Chemistry Wiley

A Redox‐Responsive Complex System Based on 2 D Shape‐Persistent Cyclo[6]aramide and Ferrocenium

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References (61)

Publisher
Wiley
Copyright
© 2016 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim
ISSN
2193-5807
eISSN
2193-5815
DOI
10.1002/ajoc.201600161
Publisher site
See Article on Publisher Site

Abstract

Electrochemical stimuli‐responsive systems via macrocyclic host–guest interactions are of practical significance in realizing functions of biological materials and synthetic molecular machines. In this study, a cyclo[6]aramide‐ferrocenium (Fc+) recognition motif was demonstrated to be a novel redox‐responsive system based on two‐dimensional (2D) macrocycle in organic media, in which the host strongly binds the oxidized form Fc+ and shows no complexation towards the reduced form ferrocene. Results from cyclic voltammetric experiments clearly show the redox responsiveness of the claimed system, in sharp contrast to a control system based on an acyclic compound that contains the same number of introverted amide oxygens, highlighting the importance of the macrocyclic effect in the redox process. This study provides a rare example of using 2D hydrogen‐bonded aromatic amide macrocycles to form a ferrocene‐based redox‐responsive inclusion complex and thus paves the way for future applications.

Journal

Asian Journal of Organic ChemistryWiley

Published: Aug 1, 2016

Keywords: ; ; ; ;

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