Treatment of diaminopyrazole derivatives (2) with thiophosgene afforded selectively the isothiocyanatopyrazoles (3). Heating of 3 in pyridine gave the imidazo[4,5-c]pyrazole-5-thiones (4). © 1995.
Synthesis of 6-substituted imidazo[4,5-c]pyrazole-5-thiones
VICENTINI, Chiara Beatrice;FERRETTI, Valeria;
1995
Abstract
Treatment of diaminopyrazole derivatives (2) with thiophosgene afforded selectively the isothiocyanatopyrazoles (3). Heating of 3 in pyridine gave the imidazo[4,5-c]pyrazole-5-thiones (4). © 1995.File in questo prodotto:
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