Abstract
A new preparative method for the synthesis of 3(5)-amino-4-nitropyrazole starting from accessible 3(5)-methylpyrazole has been elaborated. Nitration of the former affords 3(5)-nitramino-4-nitropyrazole or 1, 4-dinitro-3-aminopyrazole, depending on the reaction conditions.
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For communication 7, see Ref. 1.
Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 11, pp. 1945–1948, November, 1993.
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Shevelev, S.A., Vinogradov, V.M., Dalinger, I.L. et al. Nitropyrazoles. Russ Chem Bull 42, 1861–1864 (1993). https://doi.org/10.1007/BF00699004
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DOI: https://doi.org/10.1007/BF00699004