Experimental synthesis demonstrates the nitrosation of pyrazolotriazole derivatives into stable salts, highlighting spectroscopic pathways for novel heterocyclic compounds.
The nitrosation of 1H-1-alkyl-6-methyl-3-phenylpyrazolo[5,1-c][1,2,4]triazoles leads to new 1H-1-alkyl-6-methyl-7-nitroso-3-phenylpyrazolo[5,1-c][1,2,4] triazoles that react in acidic media, giving rise to 1H-1-alkyl-7-hydroxyimino-6-methyl-3-phenylpyrazolo[5,1-c][1,2,4]triazolium salts. These compounds were characterized by FT-IR, UV-Vis, 1H-NMR, 13C-NMR, and 15N-NMR spectroscopic techniques.
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Burcă et al. (2024) studied this question.
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