A convenient synthesis of 1,2,4-triazole and 1,2,4-triazolo[1,5-a]pyrimidines with 3-amino-1,2,5-oxadiazole substituent starting from available 4-amino-1,2,5-oxadiazole-3-carbohydrazide and benzoyl cyanamide has been developed.
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Supplementary information file, containing 1H and 13C NMR spectra of compounds 10a,b, is available at the journal website http://link.springer.com/journal/10593.
Published in Khimiya Geterotsiklicheskikh Soedinenii, 2019, 55(11), 1131–1134
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Prezent, M.A., Baranin, S.V. A convenient route to the 1,2,5-oxadiazole-substituted 1,2,4-triazolo[1,5-a]pyrimidine derivatives. Chem Heterocycl Comp 55, 1131–1134 (2019). https://doi.org/10.1007/s10593-019-02590-7
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DOI: https://doi.org/10.1007/s10593-019-02590-7