Add time:09/04/2019         Source:sciencedirect.com

A series of novel dyes, whose structures are based on 5-phenyl-1,2,3,4-tetrahydronaphthalene skeleton have been fully synthesized and characterized. The dyes were prepared in two-stage synthesis reaction. The 2-cyano-3-[4-aminophenyl]-2-propenamide derivatives, and the final dyes were characterized by 1H and 13C NMR spectroscopy and their purity was checked by thin-layer chromatography and finally HPLC. The spectroscopic properties of the prepared dyes were studied in four different solvents.

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