Issue 6, 2000
From the journal:

Journal of the Chemical Society, Perkin Transactions 1

A novel photochromism of biindenylidene in crystal form

Koichi Tanaka*a  and  Fumio Todab  

* Corresponding authors

a Department of Applied Chemistry, Faculty of Engineering, Ehime University, Matsuyama, Ehime, Japan

b Department of Chemistry, Faculty of Science, Okayama University of Science, 1-1 Ridai-cho, Okayama, Japan

Abstract

The yellow crystals of trans-syn-3,3′-diaryl-2,2′-biindenylidene-1,1′-diones (2) turned to reddish purple crystals when exposed to sunlight, which showed EPR signals of triplet biradicals in the solid state.

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Article information

DOI
https://doi.org/10.1039/A910194M
Article type
Communication
Submitted
20 Dec 1999
Accepted
08 Feb 2000
First published
25 Feb 2000

J. Chem. Soc., Perkin Trans. 1, 2000, 873-874

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A novel photochromism of biindenylidene in crystal form

K. Tanaka and F. Toda, J. Chem. Soc., Perkin Trans. 1, 2000, 873 DOI: 10.1039/A910194M

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