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J Am Chem Soc. 2005 Jun 8;127(22):8067-76.

The oxidation-state dependent structural conformation and supramolecular function of a redox-active [2]rotaxane in solution.

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1
Department of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland.

Abstract

A new NMR technique, namely paramagnetic suppression spectroscopy (PASSY), has been used to study the oxidation-state dependent structural conformation and supramolecular function of redox-active rotaxanes and catenanes in solution and at the surfaces of nanoparticles. Specifically, this technique has been used to study the structural conformation and supramolecular function in solution of a redox-active [2]rotaxane and the corresponding radical cation formed by a one-electron reduction. The findings of this and related studies provide important insights into the design of nanoscale devices based on rotaxanes and catenanes.

PMID:
15926832
DOI:
10.1021/ja050694h
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