Chemistry of Heterocyclic Compounds

, Volume 26, Issue 1, pp 36–39 | Cite as

Synthesis of 1-aryl-5-chloropyrazoles

  • A. A. Dudinov
  • L. I. Belen'kii
  • M. M. Krayushkin


A method for obtaining 1-aryl-5-chloropyrazoles with vacant 3 and 4 positions by cyclization of 3,3-dichloro-2-propenal arylhydrazones is proposed.


Organic Chemistry 
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Copyright information

© Plenum Publishing Corporation 1990

Authors and Affiliations

  • A. A. Dudinov
    • 1
  • L. I. Belen'kii
    • 1
  • M. M. Krayushkin
    • 1
  1. 1.N. D. Zelinskii Institute of Organic ChemistryAcademy of Sciences of the USSRMoscow

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