期刊
TETRAHEDRON LETTERS
卷 54, 期 51, 页码 7024-7028出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2013.10.060
关键词
Photochromism; Diarylethene; Bromopyridine moiety; Acidichromism
资金
- National Natural Science Foundation of China [21362013, 21262015, 51373072]
- Project of Jiangxi Advantage Sci-Tech Innovative Team [20113BCB24023]
- Science Funds of Natural Science Foundation of Jiangxi Province [20122BAB213004, 20114BAB203007, 20132BAB203005]
- Project of the Science Funds of Jiangxi Education Office [KJLD12035, GJJ11026, GJJ12587]
A novel strategy for the preparation of yellow diarylethenes was established based on the acidichromism of two new diarylethenes with a bromopyridine moiety. The bromopyridine was connected directly to the central perfluorocyclopentene ring to participate in photoisomerization reaction. The two diarylethenes exhibited favorable photochromism and function as notable fluorescence switches in solution. The absorption maxima of their closed-ring isomers shifted dramatically to shorter wavelengths with notable color change from red to yellow upon the stimulation of trifluoroacetic acid. (C) 2013 Elsevier Ltd. All rights reserved.
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