Abstract

Thermal reactions of 4-(2-hydroxynaphthalen-1-yldiazenyl)benzenesulfonyl azide with cyclohexane, benzene, toluene, anisole, p-xylene, mesitylene, dihydropyran, and pyridine were studied. Structures of the resulting azo dyes were confirmed by FT-IR, UV, 1H and 13C NMR, and mass spectra and elemental analyses, and their solvatochromic properties were examined. Probable mechanisms of nitrene insertion were discussed.

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