One-pot synthesis of triazolothiadiazepine 1,1-dioxide derivatives via copper-catalyzed tandem [3+2] cycloaddition/N-arylation

Deepak Kumar Barange, Yu Chen Tu, Veerababurao Kavala, Chun Wei Kuo, Ching Fa Yao

Research output: Contribution to journalArticle

23 Citations (Scopus)


A practical and efficient synthesis of triazolothiadiazepine-1,1-dioxide derivatives via copper-catalyzed [3+2]cycloaddition, followed by N-arylation is described. The method is also applicable to the synthesis of indoline- and thiophene-fused triazolothiadiazepine 1,1-dioxide derivatives.

Original languageEnglish
Pages (from-to)41-48
Number of pages8
JournalAdvanced Synthesis and Catalysis
Issue number1
Publication statusPublished - 2011 Jan 10



  • copper(I) iodide
  • fused triazoles
  • one-pot porcess
  • sultams
  • triazolothiadiazepine 1-1-dioxides

ASJC Scopus subject areas

  • Catalysis
  • Organic Chemistry

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