Tetrahedron Letters p. 8607 - 8610 (1997)
Update date:2022-08-02
Topics:
Balachari, Devan
Trudell, Mark L.
The new heteroaromatic compounds, dipyridotetraazapentalenes 3-5, were synthesized in two steps from readily available triazolopyridines 6 and 10. N-Arylation of 6 and 10 followed by subsequent reductive cyclization of the N-(nitropyridyl)-triazolopyridines with triethylphosphite in toluene afforded 3, 4 and 5, respectively, in good yield. Nitration of 3 afforded the new energetic tetranitrotetraazapentalene derivative 15 in 58% yield.
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