ONE-POT ASSEMBLY OF 3,5-BIS(1<i>H</i>-PYRROL-2-YL)-4<i>H</i>-1,2,4-TRIAZOL-4-AMINES FROM PYRROLECARBONITRILES AND HYDRAZINE
DOI:
https://doi.org/10.1007/553Keywords:
3, 5-bis(1H-pyrrol-2-yl)-4H-1, 2, 4-triazole-4-amines, hydrazine hydrate, 1H-pyrrole-2-carbonitrilesAbstract
The reaction of pyrrole-2-carbonitriles with hydrazine hydrate in the presence of hydrazine dihydrochloride (ethylene glycol, 130–132°С, 1–2 h, argon atmosphere) affords hitherto unknown 3,5-bis(1H-pyrrol-2-yl)-4H-1,2,4-triazol-4-amines in up to 86% yield.
Also published in Chemistry of Heterocyclic Compounds, 2013, 49 (4), pp 561-565