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Spontaneous conversion of 2-azido-3-nitropyridines to pyridofuroxans

Authors
Journal
Tetrahedron Letters
0040-4039
Publisher
Elsevier
Publication Date
Volume
51
Issue
30
Identifiers
DOI: 10.1016/j.tetlet.2010.05.118
Keywords
  • Synthesis
  • Pyridofuroxans
  • Pharmaceuticals
  • Arylazides

Abstract

Abstract Several pyridofuroxans were obtained by spontaneous N 2 elimination from the corresponding 2-azido-3-nitropyridines. In this particular case, the presence of nitrogen in the pyridine ring must facilitate a cyclic extrusion mechanism. The pyridofuroxans prepared in this study did not present tautomerism as evidenced by NMR.

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