Abstract
We have carried out the synthesis of 2-amino-5,7-diaryl-1,2,4-triazolo[1,5-a]pyrimidines from chalcones and 3,4,5-triamino-1,2,4-triazole and synthesized them independently via the 4,7-dihydro derivatives. The course and mechanism of the cyclocondensation are discussed.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 7, pp. 938–941, July, 1990.
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Desenko, S.M., Kolos, N.N., Tuéni, M. et al. Cyclocondensation of chalcones with di- and triamino-1,2,4-triazoles. Chem Heterocycl Compd 26, 782–784 (1990). https://doi.org/10.1007/BF00509707
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DOI: https://doi.org/10.1007/BF00509707