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Two novel diarylethene derivatives containing imidazo [4,5-f] [1,10] phenanthroline have been efficiently synthesized. These molecules are sensitive to both light and chemical stimuli. Under sequential alternating UV–vis light irradiation and alkali/acid treatment, distinct differences in NMR, UV–vis, and fluorescent spectra were observed. Taking advantage of the variations in visible absorption and...
A complex photochromic diarylethene derivative containing photo-responsive coumarin groups was synthesized by an efficient method. The dimerization of coumarin groups and photochromism of diarylethene can be controlled respectively to produce the four corresponding states, which were verified by 1 H NMR, fluorescent, UV–vis spectroscopy and mass spectrometry. This compound gives a unique example...
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