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Hitherto unreported 1,2,3-triazolyl coumarin and quinolone derivatives in good to excellent yields have been expediently synthesized from 6- and 7-azidocoumarin and 6-azidoquinolone by copper (I) catalyzed 1,3-dipolar cycloaddition. Azidocoumarins and azidoquinolones were in turn prepared efficiently from the corresponding amines. Fluorescence studies of the newly synthesized 1,2,3- triazolyl coumarin and quinolone derivatives are also described. Keywords: 1,3-dipolar cycloaddition, 6 and 7-azidocoumarin, 6-azidoquinolone, 1,2,3 triazole, phenyl acetylene, fluorescence
Majumdar et al. (Wed,) studied this question.