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Issue 32, 2010
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Redox-reconfigurable tripodal coordination complexes: stereodynamic molecular switches

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Abstract

Ligand design principles based on acyclic conformational analysis, dynamic stereochemistry, and hard-soft ligand–metal coordination have led to the development of several redox-triggered chiroptical molecular switches. Factors controlling the helicity of copper(I) and copper(II) coordination complexes were explored and exploited to create a series of stereodynamic complexes that exhibit remarkable chiroptical properties. In some systems, strong circular dichroic signal could be modulated between on and off states, while in others, it was possible to invert the ellipticity by one-electron oxidation/reduction. These complexes are of inherent interest for their dynamic stereochemical properties, but may also find use in optical display technology, data storage, telecommunications, or electromechanical devices.

Graphical abstract: Redox-reconfigurable tripodal coordination complexes: stereodynamic molecular switches

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Article information


Submitted
18 Mar 2010
Accepted
10 Jun 2010
First published
13 Jul 2010

Chem. Commun., 2010,46, 5850-5860
Article type
Feature Article

Redox-reconfigurable tripodal coordination complexes: stereodynamic molecular switches

J. W. Canary, S. Mortezaei and J. Liang, Chem. Commun., 2010, 46, 5850
DOI: 10.1039/C0CC00469C

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