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Interaction of 2-bromo-7-methyl-5-oxo-5H-1,3,4-thiadiazolo[3,2-α]pyrimidine with methylene-active compounds and acid hydrolysis of its products

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Abstract

Reactions of 2-bromo-7-methyl-5-oxo-5H-1,3,4-thiadiazolo[3,2-a]pyrimidine with sodium derivatives of pentane-2,4-dione, malonodinitrile, Meldrum acid, acetoacetic, cyanoacetic and malonic esters have been shown to give the respective substituted derivatives. Azinyl-ylidene tautomerism has been found to be characteristic of these compounds, the latter existing mainly in the ylidene form. The acid hydrolysis of pentane-2, 5-dione and cyanoacetic and malonic esters derivatives has been investigated.

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Authors and Affiliations

  1. Institute of Chemistry, Tadjikistan Academy of Sciences, ul. Aini 299, 734063, Dushanbe, Tadjikistan

    S. S. Shukurov, M. A. Kukaniev & I. M. Nasyrov

  2. I.M.Gubkin National Academy of Oil and Gas, 65 Leninsky prosp., 117917, Moscow, Russian Federation

    K. S. Zakharo & R. A. Karakhanov

Authors
  1. S. S. Shukurov
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  2. M. A. Kukaniev
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  3. I. M. Nasyrov
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  4. K. S. Zakharo
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  5. R. A. Karakhanov
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Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 11, pp. 1957–1961, November, 1993

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Shukurov, S.S., Kukaniev, M.A., Nasyrov, I.M. et al. Interaction of 2-bromo-7-methyl-5-oxo-5H-1,3,4-thiadiazolo[3,2-α]pyrimidine with methylene-active compounds and acid hydrolysis of its products. Russ Chem Bull 42, 1874–1878 (1993). https://doi.org/10.1007/BF00699007

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  • DOI: https://doi.org/10.1007/BF00699007

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