Abstract
The synthesis of tricyclic compounds with hitherto unknown combinations of heterocycles (1,2,3-triazol-1-yl)-1,2,5-oxadiazoles with 1,2,4-oxadiazol-3-yl, pyrrol-1-yl or 1,2,3-triazol-1-yl substituents at the furazan ring, was developed by interaction of corresponding substituted azidofurazans with 1,3-dicarbonyl compounds, and pyrrolyl derivatives were also synthesised by condensation of amino(1,2,3-triazol-1-yl)furazans with 2,5-dimethoxytetrahydrofuran.
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