Issue 92, 2012
From the journal:

Chemical Communications

Pronounced effects on switching efficiency of diarylcycloalkenes upon cycloalkene ring contraction†

Dmytro Sysoiev,a   Tetyana Yushchenko,a   Elke Scheer,b   Ulrich Groth,a   Ulrich E. Steiner,a   Thomas E. Exner*a  and  Thomas Huhn*a  

* Corresponding authors

a Fachbereich Chemie, Universität Konstanz, D-78457 Konstanz, Germany
E-mail: thomas.exner@uni-konstanz.de, thomas.huhn@uni-konstanz.de

b Fachbereich Physik, Universität Konstanz, D-78457 Konstanz, Germany

Abstract

Several difurylperfluorocyclobutenes showing reversible photochromism were synthesized. In comparison to their cyclopentene homologues they show enhanced quantum yields for ring opening but reduced quantum yields for ring closure. X-ray structure analysis and quantum chemical calculations provide a conclusive explanation for such a behaviour.

Graphical abstract: Pronounced effects on switching efficiency of diarylcycloalkenes upon cycloalkene ring contraction

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Article information

DOI
https://doi.org/10.1039/C2CC35726G
Article type
Communication
Submitted
07 Aug 2012
Accepted
04 Oct 2012
First published
05 Oct 2012

Chem. Commun., 2012,48, 11355-11357

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Pronounced effects on switching efficiency of diarylcycloalkenes upon cycloalkene ring contraction

D. Sysoiev, T. Yushchenko, E. Scheer, U. Groth, U. E. Steiner, T. E. Exner and T. Huhn, Chem. Commun., 2012, 48, 11355 DOI: 10.1039/C2CC35726G

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