FUSED PYRIDOTHIENOPYRIMIDINE HETEROCYCLES. 2. A FACILE AND EFFICIENT SYNTHESIS OF THE ANNELATED PYRIDO[3',2':4,5]THIENO[2,3-<i>e</i>]PYRIMIDO[3,2-<i>c</i>]PYRIMIDONES

Authors

  • F. A. El-Essawy Chemistry Department, Faculty of Science, Menoufia University, Shebin El-Koam

DOI:

https://doi.org/10.1007/6650

Keywords:

fused pyrimidines, pyridothienopyrimidines, pyridothienopyrimidopyrimidines

Abstract

The cyclocondensation reactions of 4-aminopyridothienopyrimidine with malonates and their acetylation were studied. All structures were determined by  1H NMR and mass spectra techniques.

How to Cite
El-Essawy, F. A.  Chem. Heterocycl. Compd. 2009, 45, 837. [Khim. Geterotsikl. Soedin. 2009, 1054.]

For this article in the English edition see DOI 10.1007/s10593-009-0351-2

Published

2022-03-01

Issue

Section

Original Papers