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A series of novel dithienylethenes with different aromatic carbons were efficiently synthesized using a four-component Ugi reaction and their structures confirmed by NMR spectroscopy, mass spectroscopy (MS) and elemental analysis. Their photochromic properties and fluorescence behaviors have been measured upon irradiation with UV light in solution. Investigations on their photochromic properties indicated...
A novel series of diarylethenes incorporating different heterocycles and their N-methylated derivatives have been synthesized, and the products have been characterized by means of NMR, MS and elemental analysis. Each of the compounds displays photochromism and “turn-on” fluorescence properties upon irradiation with UV light. It has been found that both the nature of the heterocycle attached to the...
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