Abstract
The addition of 4-phenyl-1, 2, 4-triazoline-3, 5-dione (I) to the pseudodienic system of 2-vinylpyridines leads to a new heterocyclic system — triazolo[l, 2-α]-5-azacinnoline. A second molecule of I undergoes further reaction of the substitutive addition type.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 5, pp. 702–705, May, 1976.
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Terent′ev, P.B., Kost, A.N. & Kartsev, V.G. 1, 4-Cycloaddition of 4-Phenyl-l, 2, 4-Triazoline-3,5-Dione to 2-Vinylpyridines. Chem Heterocycl Compd 12, 590–593 (1976). https://doi.org/10.1007/BF00470120
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DOI: https://doi.org/10.1007/BF00470120