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Cycloaddition reactions of 4-phenyl-3H-1,2,4-triazole-3,5(4H)-dione (PTAD) and 4-methyl-3H-1,2,4-triazole-3,5(4H)-dione (MTAD): A short review

Review Article

JOURNAL 1870

Organic Communications
VOLUME & ISSUE
Year: 2020 Issue: 4 October-December
PAGES
p.146 - 154
DOI ADDRESS
http://doi.org/10.25135/acg.oc.88.20.11.1870
STATISTICS
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AUTHORS
  • Nataliya Korol
  • Mikhailo Slivka
  • Oksana Holovko-Kamoshenkova
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GRAPHICAL ABSTRACT

ABSTRACT

The sources, describing cycloaddition reactions with the participation of 4-phenyl-3H-1,2,4-triazole-3,5(4H)-dione (PTAD) and 4-methyl-3H-1,2,4-triazole-3,5(4H)-dione (MTAD) were reviewed from the middle 1970s and they are mentioned in chronological order. It was noted that the most investigated are Diels-Alder reactions and cycloaddition to a few cyclic mono- and dienes. Stereochemistry of obtained products are also described.

 KEYWORDS
  • cycloaddition
  • PTAD
  • MTAD
  • Diels-Alder reaction