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Russian Journal of General Chemistry

, Volume 89, Issue 2, pp 219–223 | Cite as

Reactions of (E)-(3-Aryl-3-oxoprop-1-en-1-yl)triphenylphosphonium Bromides with Arylhydrazines

  • R. Dzh. KhachikyanEmail author
  • Z. G. Ovakimyan
  • E. O. Karamyan
  • G. A. Panosyan
Article
  • 4 Downloads

Abstract

(E)-(3-Aryl-3-oxoprop-1en-1-yl)triphenylphosphonium bromides reacted with arylhydrazines in an acidic medium to form hydrazones, the intramolecular heterocyclization of which led to the formation of (2,5- diaryl-2,3-dihydro-1H-pyrazol-3-yl)triphenylphosphonium bromides. Under the action of hydrobromic acid, the resulting quaternary phosphonium salts produced saturated (3-aryl-3-oxopropyl)triphenylphosphonium salts.

Keywords

(3-aryl-3-oxoprop-1en-1-yl)triphenylphosphonium bromides arylhydrazines pyrazoles nucleophilic addition heterocyclization 

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References

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Copyright information

© Pleiades Publishing, Ltd. 2019

Authors and Affiliations

  • R. Dzh. Khachikyan
    • 1
    Email author
  • Z. G. Ovakimyan
    • 1
  • E. O. Karamyan
    • 1
  • G. A. Panosyan
    • 1
  1. 1.Scientific and Technological Center of Organic and Pharmaceutical Chemistry, National Academy of Sciences of ArmeniaInstitute of Organic ChemistryYerevanArmenia

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