Synthesis of pyrazolo- and [1,2,4]triazolo-[1,5-а]quinolin-9-ols by cycloaddition to 8-hydroxyquinoline N-imide

Vasilii E. Evtushok, Aleksey Yu Vorob’ev

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

[Figure not available: see fulltext.] The reaction of 1-amino-8-hydroxyquinolinium mesitylenesulfonate with alkenes and alkynes containing electron-withdrawing substituents was performed in MeCN–K 2 СО 3 system and gave the respective 9-hydroxypyrazolo[1,5-a]quinolines. The reaction with acetonitrile\ and aromatic nitriles in aqueous 2 N KОН solution gave the respective 2-substituted 9-hydroxy[1,2,4]triazolo[1,5-a]quinolines.

Original languageEnglish
Pages (from-to)229-234
Number of pages6
JournalChemistry of Heterocyclic Compounds
Volume55
Issue number3
DOIs
Publication statusPublished - 15 Mar 2019

Keywords

  • 1,3-dipolar cycloaddition
  • 8-hydroxyquinoline
  • N-imines
  • pyrazolo[1,5-а]quinoline
  • [1,2,4]triazolo[1,5-а]quinoline
  • IMINES
  • 5-a]quinoline
  • COMPLEXES
  • 4]triazolo[1
  • 2
  • CHEMOSENSOR
  • [1
  • 1,3-DIPOLAR CYCLOADDITION
  • CHEMISTRY
  • pyrazolo[1
  • DERIVATIVES
  • SCAFFOLD

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