Reactions of 4,5-diaminopyrazoles with chalcones and acetylarenes |
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| Authors: | V. D. Orlov N. N. Kolos Kh. Kiroga Z. Kaluski É. Figas K. A. Potekhin |
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| Affiliation: | (1) A. M. Gorki State University, 310077 Kharkov;(2) A. Mitskevich University, 60780 Poznan |
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| 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.Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 4, pp. 506–510, April, 1992. |
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