Chemistry of Heterocyclic Compounds

, Volume 10, Issue 7, pp 857–858 | Cite as

Synthesis of pyrazoline derivatives from halovinylacetylenes and haloallenes

  • M. G. Voskanyan
  • G. G. Khudoyan
  • Sh. O. Badanyan


The reaction of halovinylacetylenes and haloallenes with hydrazine and phenylhydrazine in the presence of a mixture of copper powder and cuprous chloride gives substituted pyrazolines.


Copper Chloride Organic Chemistry Hydrazine Copper Powder 
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Copyright information

© Plenum Publishing Corporation 1976

Authors and Affiliations

  • M. G. Voskanyan
    • 1
  • G. G. Khudoyan
    • 1
  • Sh. O. Badanyan
    • 1
  1. 1.Institute of Organic ChemistryAcademy of Sciences of the Armenian SSRErevan

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