CONDENSATION OF 1-SUBSTITUTED 5-AMINOPYRAZOLES WITH β-DICARBONYL COMPOUNDS

Authors

  • Н. Л. Нам K. A. Timiryazev Agricultural Academy, Moscow 127550
  • И. И. Грандберг K. A. Timiryazev Agricultural Academy, Moscow 127550
  • В. И. Сорокин K. A. Timiryazev Agricultural Academy, Moscow 127550

Keywords:

5-aminopyrazoles, β-diketones, β-keto esters, pyrazolopyridines

Abstract

Condensation of N-substituted 5-aminopyrazoles with β-diketones occurs with the formation of pyrazolo[4,5-b]pyridines. Depending on the conditions, their reaction with β-keto acids can give either 6-oxo- or 4-oxopyrazolo[4,5-b]pyridines.

How to Cite
Nam, N. L.; Grandberg, I. I.; Sorokin, V. I. Chem. Heterocycl. Compd. 2003, 39, 937. [Khim. Geterotsikl. Soedin. 2003, 1080.]

For this article in the English edition, see DOI https://doi.org/10.1023/A:1026106707180

Published

2003-07-25

Issue

Section

Original Papers