Photochromism of a New Unsymmetrical Diarylethene Bearing both Thiazole and a Methoxyl Group

Abstract:

A new unsymmetrical isomeric diarylethene bearing an electron-donating methoxyl group at ortho-positions of the terminal phenyl ring was synthesized, namely 1-(2,4-dimethyl-5-thiazolyl) -2-[2-methyl-5-(2-methoxyphenyl)-3-thienyl]perfluorocyclopentene (1o). The compound displayed excellent photochromism both in solution and in PMMA film. The isomeric compound also functioned as a fluorescence switch by photoirradiation in solution. In addition, cyclic voltammetry tests showed that the electron-donating methoxyl group at the terminal benzene ring had a significant effect on the electrochemical properties of the isomeric diarylethene.

• Periodical: Advanced Materials Research (Volumes 295-297)
• Pages: 228-231
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.295-297.228
• Online since: July 2011
• Authors: Hui Li, Shou Zhi Pu, Shi Qiang Cui
• Keywords: Diarylethene, Electrochemical Property, Fluorescence, Photochromism, Thiazole

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