Abstract
4-Hydrazinyl-1,6-dihydropyrazolo[3,4-e][1,4]diazepines were synthesized by reaction of 4-methylsulfanyl- or 4-chloro-5,6-dihydropyrazolo[3,4-e][1,4]diazepines with hydrazine hydrate. Their hydrolytic recyclization afforded 5-amino-4-(1,2,4-triazin-3-yl)-1H-pyrazoles.
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Original Russian Text © S.V. Kemskii, A.V. Bol’but, M.V. Vovk, 2015, published in Zhurnal Organicheskoi Khimii, 2015, Vol. 51, No. 10, pp. 1510–1516.
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Kemskii, S.V., Bol’but, A.V. & Vovk, M.V. Synthesis of 4-hydrazinyl-1,6-dihydropyrazolo[3,4-e][1,4]diazepines and their hydrolytic recyclization to 5-amino-4-(1,2,4-triazin-3-yl)-1H-pyrazoles. Russ J Org Chem 51, 1481–1487 (2015). https://doi.org/10.1134/S107042801510022X
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DOI: https://doi.org/10.1134/S107042801510022X