STUDY OF THE REACTION OF 3,5-DIAMINO-4-CARBOMETHOXYPYRAZOLE WITH ACETOACETIC ESTER. SYNTHESIS OF PYRAZOLO[1,5-<i>a</i>]PYRIMIDINE

Authors

  • В. А. Макаров State Science Center of the Russian Federation (NIOPIK), Moscow
  • Н. П. Соловьева State Science Center of the Russian Federation (NIOPIK), Moscow
  • B. В. Чернышев M. V. Lomonosov State University, Moscow
  • Э. Соннeфелд Crystallography Laboratory, University of Amsterdam
  • В. Г. Гpаник State Science Center of the Russian Federation (NIOPIK), Moscow

DOI:

https://doi.org/10.1007/27

Keywords:

carbomethoxypyrazole, acetoacetic ester, pyrazolopyrimidine, X-ray structural analysis

Abstract

X-Ray structural analysis has shown that condensation of 3,5-diamino-4-carbomethoxypyrazole with acetoacetic ester occurs to give derivatives of 7-oxopyrazolo[1,5-a]pyrimidine (rather than 5-oxo as proposed previously).

Authors: V. A. Makarov, N. P. Solov'eva, V. V. Chernyshev, E. J. Sonneveld, and V. G. Granik.

English Translation in Chemistry of Heterocyclic Compounds, 2000, 36 (1), pp 70-73

http://link.springer.com/article/10.1007/BF02256848

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Published

2012-09-28

Issue

No. 1 (2000)

Section

Original Papers