Abstract
7-Chloropyridopyrimidine was obtained by diazotization of 1,3-dimethyl-7-amino-8H-pyrido[2,3-d]pyrimidine-2,4,5-trione in HCl, and its nitration and reactions with nucleophilic reagents were studied. An imidazo[1′,2′:1, 6]pyrido[2,3-d]pyrimidine derivative was synthesized.
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See [1] for Communication 2.
Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 4, pp. 497–501, April, 1991.
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Burova, O.A., Bystryakova, I.D., Smirnova, N.M. et al. Pyrido[2,3-d]pyrimidines 3. Synthesis and properties of 7-chloro- and 6-nitro-7-chloropyrido[2,3-d]pyrimidine-2,4,5-triones. Chem Heterocycl Compd 27, 394–398 (1991). https://doi.org/10.1007/BF00480837
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DOI: https://doi.org/10.1007/BF00480837