Issue 56, 2012
From the journal:

Chemical Communications

Thermochromic discotic 6-oxoverdazyls†

Aleksandra Jankowiak,a   Damian Pociecha,b   Hirosato Monobe,c   Jacek Szczytkod  and  Piotr Kaszyński*ae  

* Corresponding authors

a Department of Chemistry, Vanderbilt University, Nashville, USA
E-mail: piotr.kaszynski@vanderbilt.edu
Tel: +1-615-322-3458

b Department of Chemistry, University of Warsaw, Zwirki i Wigury 101, 02-089 Warsaw, Poland

c National Institute of Advanced Industrial Science and Technology, AIST Kansai Centre, Osaka 563-8577, Ikeda, Japan

d Faculty of Physics, University of Warsaw, Hoża 69, 00-681 Warsaw, Poland

e Faculty of Chemistry, University of Łódź, Tamka 12, 91403 Łódź, Poland

Abstract

6-Oxoverdazyls 1b[n], substituted with three 3,4,5-trialkoxyphenyl groups (n = 8 and 10), exhibit a columnar hexagonal phase (Colh) below 130 °C. They display reversible color change from red to green at the transition to the isotropic phase. XRD and magnetization data do not support dimerization of the radicals in the mesophase.

Graphical abstract: Thermochromic discotic 6-oxoverdazyls

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Article information

DOI
https://doi.org/10.1039/C2CC33051B
Article type
Communication
Submitted
27 Apr 2012
Accepted
29 May 2012
First published
29 May 2012

Chem. Commun., 2012,48, 7064-7066

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Thermochromic discotic 6-oxoverdazyls

A. Jankowiak, D. Pociecha, H. Monobe, J. Szczytko and P. Kaszyński, Chem. Commun., 2012, 48, 7064 DOI: 10.1039/C2CC33051B

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