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2000
Volume 20, Issue 7
  • ISSN: 1570-193X
  • E-ISSN: 1875-6298

Abstract

This review discussed the synthetic applications of propiolic acids in the preparation of diverse N-heterocycles. 3~9-membered rings like azirines, β-lactams, oxazolidin-2-ones, 2-oxindoles, indoles, isoindolin-1-ones, imidazo[1,2-a]pyridines, triazoles, 2-pyridones, 2-quinolones, 1,4- benzothiazines, thiazinones, spiroindolines, etc. could be constructed via radical addition, fourcomponent Ugi reactions, 1,3-dipolar cycloadditions, or Diels-Alder reaction mechanism. We hope this review will promote future research in this area:

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/content/journals/mroc/10.2174/1570193X19666220804145501
2023-11-01
2025-07-11
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  • Article Type:
    Review Article
Keyword(s): N-heterocycles; Propiolic acids; radical; spiroindolines; tandem reaction; thiazinones
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