Abstract
Reaction of 3-methyl-1-(4-nitrophenyl)-4,5-diaminopyrazole with chalcones and acetylarenes gave 1H-2,3-dihydropyrazolo[4,5-b]-1,5-diazepines. The structure of one of these was confirmed by x-ray analysis. 3,5-Diphenyl- and 3-oxo-4,5-diaminopyrazoles did not take part in this reaction.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 4, pp. 506–510, April, 1992.
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Orlov, V.D., Kolos, N.N., Kiroga, K. et al. Reactions of 4,5-diaminopyrazoles with chalcones and acetylarenes. Chem Heterocycl Compd 28, 424–427 (1992). https://doi.org/10.1007/BF00767003
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DOI: https://doi.org/10.1007/BF00767003