Issue 48, 2015
From the journal:

Chemical Communications

Gating the photochromism of an azobenzene by strong host–guest interactions in a divalent pseudo[2]rotaxane†

Mirko Lohse,a   Karol Nowosinski,b   Nora L. Traulsen,b   Andreas J. Achazi,b   Larissa K. S. von Krbek,b   Beate Paulus,*b   Christoph A. Schalley*b  and  Stefan Hecht*a  

* Corresponding authors

a Department of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, 12489 Berlin, Germany
E-mail: sh@chemie.hu-berlin.de
Fax: +49 (0)30 2093-6940
Tel: +49 (0)30 2093-7308

b Institut für Chemie und Biochemie, Freie Universität Berlin, Takustraße 3, 14195 Berlin, Germany
E-mail: b.paulus@fu-berlin.de, christoph@schalley-lab.de
Fax: +49 (0)30 838-55366
Tel: +49 (0)30 838-52639

Abstract

The ability of an E-configured azobenzene guest to undergo photoisomerisation is controlled by the presence of a complementary host. Addition of base/acid allowed for a weakening/strengthening of the interactions in the divalent pseudo[2]rotaxane complex and hence could switch on/off photochromic activity.

Graphical abstract: Gating the photochromism of an azobenzene by strong host–guest interactions in a divalent pseudo[2]rotaxane

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Article information

DOI
https://doi.org/10.1039/C5CC02811F
Article type
Communication
Submitted
04 Apr 2015
Accepted
23 Apr 2015
First published
01 May 2015
This article is Open Access
Creative Commons BY license

Chem. Commun., 2015,51, 9777-9780

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Gating the photochromism of an azobenzene by strong host–guest interactions in a divalent pseudo[2]rotaxane

M. Lohse, K. Nowosinski, N. L. Traulsen, A. J. Achazi, L. K. S. von Krbek, B. Paulus, C. A. Schalley and S. Hecht, Chem. Commun., 2015, 51, 9777 DOI: 10.1039/C5CC02811F

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