Abstract
The reaction of 5-hydrazinotetrazole with formaldehyde in acid media was studied. Copolymers of these compounds are formed at pH ∼ 6.0. In contrast, opening of the tetrazole ring and formation of a previously unknown copolymer of 1,3,4-aza-2-azido-1,4-pentene with formaldehyde occurs at pH ∼3.0. The ratio of nitrogen-containing and oxymethylene units depends on the ratio of the starting reagents and solvent. The existence of terminal hydroxyl groups in the 1,3,4-aza-2-azido-1,4-pentene oligomer was demonstrated by acetylation.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 8, pp. 1064–1067, August, 1993.
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Mayants, A.G., Tishchenko, L.M., Vladimirov, V.N. et al. The formation of tetrazole and azido oligomers by the reaction of 5-hydrazinotetrazole with formaldehyde in acid media. Chem Heterocycl Compd 29, 906–908 (1993). https://doi.org/10.1007/BF00534268
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DOI: https://doi.org/10.1007/BF00534268