Chemistry of Heterocyclic Compounds

, Volume 28, Issue 10, pp 1149–1151 | Cite as

Question of the mechanism of the formation of 5-hydrazino-tetrazole from 5-diazomethylazotetrazole in acidic media

  • A. G. Mayants
  • L. M. Tishchenko
  • V. N. Vladimirov
  • V. A. Shlyapochnikov


The heating of the hydrate of 5-diazomethylazotetrazole in an aqueous medium led to the isolation, for the first time, of 5-hydroxymethylazotetrazole — the proposed intermediate product in the isolation of 5-hydrazinotetrazole from 5-diazomethylazotetrazole in acidic media. It was established that 5-hydrazinotetrazole is not formed when 5-hydroxymethylazotetrazole is treated with hydrochloric acid under different conditions. In this connection, an improved reaction mechanism, not including 5-hydroxymethylazotetrazole as an intermediate compound, was proposed. It was shown that not all of the 5-diazomethylazotetrazole enters into the reaction with water. The proposition was expressed that the product which did not enter into the reaction is the Z-isomer.


Hydrate Organic Chemistry Hydrochloric Acid Reaction Mechanism Aqueous Medium 
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Copyright information

© Plenum Publishing Corporation 1993

Authors and Affiliations

  • A. G. Mayants
    • 1
  • L. M. Tishchenko
    • 1
  • V. N. Vladimirov
    • 1
  • V. A. Shlyapochnikov
    • 1
  1. 1.Samara Polytechnical InstituteSamara

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