Chemistry of Heterocyclic Compounds

, Volume 24, Issue 4, pp 403–409 | Cite as

Synthesis of 5-hydroxy-4-nitrosobenzotriazoles and 6-hydroxy-7-nitrosoindazoles and their splitting into β-triazolyl- and β-pyrazolylacrylic acids

  • A. P. Stankyavichyus
  • P. B. Terent'ev
  • V. A. Bolotin
  • V. V. Lashin
  • I. M. Rakhimi
Article
  • 65 Downloads

Abstract

5-Hydroxy-4-nitrosobenzotriazoles and 6-hydroxy-7-nitrosoindazoles were synthesized. By the action of benzenesulfonyl chloride in an alkaline medium, only 5-hydroxy-4-nitroso-2-phenyl-benzotriazole and 1-methyl-6-hydroxy-7-nitrosoindazole split into 5-carboxyvinyl-2-phenyl-4-cyano-1,2,3-triazole- and β-(1-methyl-5-cyano-4-pyrazolyl)acrylic acid, respectively, while the fragmentation under electron impact proceeds by another scheme.

Keywords

Chloride Organic Chemistry Triazole Acrylic Acid Electron Impact 

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Copyright information

© Plenum Publishing Corporation 1988

Authors and Affiliations

  • A. P. Stankyavichyus
    • 1
    • 2
    • 3
  • P. B. Terent'ev
    • 1
    • 2
    • 3
  • V. A. Bolotin
    • 1
    • 2
    • 3
  • V. V. Lashin
    • 1
    • 2
    • 3
  • I. M. Rakhimi
    • 1
    • 2
    • 3
  1. 1.Z. Yanushkyavichyus. Scientific-Research Institute of Physiology and Pathology of the Cardiovascular SystemKaunas
  2. 2.M. V. Lomonosov Moscow State UniversityMoscow
  3. 3.Institute of PhysicsAcademy of Sciences of the Lithuanian SSRVil'nyus

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