Chemistry of Heterocyclic Compounds

, Volume 9, Issue 6, pp 785–789 | Cite as

Condensed and bonded quinoxalines

V. Synthesis of pyrazolo[3,4-b]quinoxalines
  • V. D. Romanenko
  • S. I. Burmistrov
Article

Abstract

2-Chloro-3-formylquinoxaline was synthesized from 2-chloro-3-methylquinoxaline by the Kröhnke method, and the properties of its phenylhydrazone were studied. It was found that 2-Y-3-formylquinoxalines display an anomalously low reactivity as compared with 2-Y-benzoylquinoxalines (Y=H, OH, Cl) in the synthesis of pyrazolo[3,4-b]quinoxalines.

Keywords

Organic Chemistry Quinoxalines Phenylhydrazone 

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Copyright information

© Plenum Publishing Corporation 1975

Authors and Affiliations

  • V. D. Romanenko
    • 1
  • S. I. Burmistrov
    • 1
  1. 1.Dnepropetrovsk Chemical Engineering InstituteUSSR

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