DERIVATIVES OF CONDENSED PYRIDOPYRIMIDINES. 3. SYNTHESIS OF CONDENSED IMIDAZO[4,5-<i>b</i>]PYRIDINE AND ALSO 4-OXO- AND 2,4-DIOXOPYRIDO[2,3-<i>d</i>]PYRIMIDINES

Authors

  • В. В. Дабаева A. L. Mndzhoyan Institute of Fine Organic Chemistry, Armenian National Academy of Sciences, Erevan 375014
  • С. Г. Пилосян A. L. Mndzhoyan Institute of Fine Organic Chemistry, Armenian National Academy of Sciences, Erevan 375014
  • М. Р. Багдасарян A. L. Mndzhoyan Institute of Fine Organic Chemistry, Armenian National Academy of Sciences, Erevan 375014
  • В. Н. Мадакян A. L. Mndzhoyan Institute of Fine Organic Chemistry, Armenian National Academy of Sciences, Erevan 375014
  • А. С. Норавян A. L. Mndzhoyan Institute of Fine Organic Chemistry, Armenian National Academy of Sciences, Erevan 375014

Keywords:

pyranoimidazopyridine, pyranopyridine, pyridopyrimidine

Abstract

A convient methods has been developed for the synthesis of condensed imidazo[4,5-b]pyridine and also 4-oxo- and 2,4-dioxopyrido[2,3-d]pyrimidines. The optimum conditions for the Curtius rearrangement of 2-amino-3-azidocarbonyl derivative of pyrano[4,3-b]pyridine have been established.

How to Cite
Dabaeva, V. V.; Pilosyan, S. G.; Bagdasaryan, M. R.;Madakyan, V. N.; Novaryan, A. S. Chem. Heterocycl. Compd. 2001, 37, 894. [Khim. Geterotsikl. Soedin. 2001, 971.]

For this article in the English edition, see DOI https://doi.org/10.1023/A:1012411927105

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Published

2001-07-25

Issue

No. 7 (2001)

Section

Original Papers