Synthesis and Properties of [1-(3,5-dimethyl-4-iodoisoxazole)-2-(2-methyl-(5-ethynyl)trimethylsilane-3-thienyl)perfluorocyclopentene

Abstract:

A photochromic diarylethene of [1-(3,5-dimethyl-4-iodoisoxazole)-2-(2-methyl-(5-ethynyl) trimethylsilane-3-thienyl) perfluorocyclopentene (1o) was synthesized and characterized. Its properties, including photochromic behavior and fluorescent properties have been investigated. Upon irradiation with UV light with the extended response time, the diarylethene underwent a ring opening reaction to produce closed forms and color change in solution. The results showed the compound exhibited good photochromism in acetonitrile solution. The kinetic experiments showed that the cyclization and cycloreversion processes were zeroth and first order reaction, respectively. Moreover, diarylethene 1o also exhibited obviously fluorescence switches along with the photochromism.

• Periodical: Applied Mechanics and Materials (Volume 707)
• Pages: 44-47
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.707.44
• Online since: December 2014
• Authors: Zhao Yan Tian, Shi Qiang Cui*, Shou Zhi Pu
• Keywords: Diarylethene, Fluorescence, Kinetic, Photochromism, Trimethylsilylacetylene

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