Chemistry of Heterocyclic Compounds p. 210 - 215 (1991)
Update date:2022-08-03
Topics:
Chupakhin, O. N.
Rusinov, V. L.
Tumashov, A. A.
Pilicheva, T. L.
Sidorov, E. O.
Karpin, I. V.
Reaction of 6-nitroazolo<1,5-a>pyrimidines with cyanoacetamide, cyanoacetthioamide, or benzoylacetonitrile results in the conversion of the pyrimidine ring into a pyridine ring with the formation of 2-azolylamino-5-nitropyridines.Treatment of the latter with alcoholic sodium carbonate, or reaction of the azolopyrimidines with acetonitriles in an alkaline medium, affords 7-nitroazolo<1,5-a>pyrido<2,3-d>pyrimidines.
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