Advertisement

Chemistry of Heterocyclic Compounds

, Volume 10, Issue 4, pp 421–423 | Cite as

Cyclization of some substituted 2-(n-acylthioureido)-3-carbethoxythiophenes

  • A. A. Dobosh
  • S. M. Khripak
  • I. V. Smolanka
Article

Abstract

The intramolecular cyclization of 2-(N-acylthioureido)-3-carbethoxy-4,5-R,R'-thiophenes with the formation of potassium salts of 2-thio-4-oxo-5,6-R,R'-3,4-dihydrothieno[2,3-d] pyrimidine was studied, and some of their S-derivatives were obtained.

Keywords

Potassium Organic Chemistry Pyrimidine Thiophene Potassium Salt 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

Literature cited

  1. 1.
    K. Gewald, E. Schinke, and H. Böttcher, Chem. Ber.,99, 94 (1966).Google Scholar
  2. 2.
    S. M. Khripak, A. A. Dobosh, and I. V. Smolanka, Khim. Geterotsikl. Soedin., 567 (1973).Google Scholar
  3. 3.
    G. F. Bol'shakov, V. S. Vatago, and F. B. Agrest, Ultraviolet Spectra of Heterocyclic Compounds [in Russian], Khimiya, Leningrad (1969), p. 17.Google Scholar
  4. 4.
    I. V. Smolanka, A. A. Dobosh, and S. M. Khripak, Ukr. Khim. Zh.,39, 402 (1973).Google Scholar

Copyright information

© Plenum Publishing Corporation 1975

Authors and Affiliations

  • A. A. Dobosh
    • 1
  • S. M. Khripak
    • 1
  • I. V. Smolanka
    • 1
  1. 1.Uzhgorod State UniversityUSSR

Personalised recommendations