Elsevier

Tetrahedron Letters

Volume 37, Issue 47, 18 November 1996, Pages 8577-8580
Tetrahedron Letters

Synthesis of 4H-[1,2,3]triazolo[4,5-c][1,2,5]oxadiazole 5-oxide and its N- and O-alkyl derivatives

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Abstract

The synthetic route to the fused 1,2,3-triazole 2-oxide systems via intramolecular cyclization of N-nitroso and azido groups is described. The title compounds are characterized by 1H, 13C, 14N, 15N and 17O NMR spectroscopy.

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