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An unsymmetrical diarylethene derivative bearing both benzfuran and thiophene moieties, in which a Cyano group was substituted at the ortho-positions of the terminal phenyl ring,was synthesized. The results showed that this compound exhibited reversible photochromism, undergoing reversible cyclization and cycloreversion reactions upon alternating irradiation with UV and visible light both in solution...
An unsymmetrical diarylethene derivative bearing both phenyl and thiophene moieties, in which a phenyl group was substituted at the par a-positions of the terminal phenyl ring, was synthesized. At the same time, its photochromic properties and fluorescence switch were investigated in detail. The results showed that this compound exhibited reversible photochromism, undergoing reversible cyclization...
A unsymmetrical diarylethene derivative 1-(2 trifluoromethylphenyl)-2-[2-methyl-5-(4-methoxylphenyl)-3 thienyl]hexafluorocyclopentene (la) was synthesized. At the same time, its photochromic properties and fluorescence switch were investigated in detail. The results showed that this compound exhibited reversible photochromism, undergoing reversible cyclization and cycloreversion reactions upon alternating...
A new photochromic diarylethene, [1-(2-methyl-5phenyl-3-thienyl)-2-(2-methyl-4-(3-trifluoromethylphenyl)-lphenyl)]perfluorocyclopentene (la), was synthesized and its optoelectronic properties, such as photochromism in solution as well as in polymethylmethacrylate (PMMA) amorphous films, fluorescences and Photon-mode polarization multiplexing holographic recording were investigated. The compound exhibits...
A photochromic diarylethene bearing a six-membered aryl unit 1-[(2-methyl-5-(3-chlorophenyl) -3-thienyl)]-2-[(2methoxylphenyl)]perfluorocyclopentene (la) was synthesized and its photochromic and fluorescent properties were also investigated in detail. The results showed that this compound exhibited reversible photochromism, changing from colorless to blue after irradiation with UV light both in solution...
A new photochromic diarylethene, 1-(2-methyl-5-toluene-3-thienyl)-2-[2-methyl-5-(4-fluorophenyl)-3-thienyl]- perfluorocyclopentene (1a), was synthesized and its photochromic and fluorescent properties were investigated. Diarylethene 1a changed the color from colorless to blue upon irradiation with 313 nm UV light, in which absorption maxima were observed at 575 nm in hexane and at 584 nm in PMMA amorphous...
A novel 2,3-position hybrid diarylethene, 1-(2-methyl-5-phenyl -3-thienyl) -2-(3-methyl-5-phenyl-2-thienyl) perfluorocyclopentene (1 a), was synthesized, and its photochromic reactivity, fluorescent and electrochemical property were also investigated. The results showed that this compound exhibited reversible photochromism, changing from colorless to red after irradiation with UV light both in solution...
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