Chemistry of Heterocyclic Compounds

, Volume 27, Issue 5, pp 530–533 | Cite as

Nitroazines. 15. Contraction of the pyrimidine ring in 6-nitroazolo[1,5-a]pyrimidines

  • V. L. Rusinov
  • A. V. Myasnikov
  • O. N. Chupakhin
  • G. G. Aleksandrov
Article

Abstract

It is shown that contraction of the pyrimidine ring occurs when 6-nitro-7-oxo-4,7-dihydroazolo[1,5-a]pyrimidines are heated with hydrazine hydrate. Complexes of 4-nitropyrazole with 5-aminoazoles, the structures of which were proved by x-ray diffraction analysis, are formed in a similar reaction of nitrosubstituted azolopyrimidines that do not contain an oxo function.

Keywords

Hydrate Organic Chemistry Pyrimidine Hydrazine Diffraction Analysis 

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Copyright information

© Plenum Publishing Corporation 1991

Authors and Affiliations

  • V. L. Rusinov
    • 1
  • A. V. Myasnikov
    • 1
  • O. N. Chupakhin
    • 1
  • G. G. Aleksandrov
    • 1
  1. 1.S. M. Kirov Ural Polytechnical InstituteSverdlovsk

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