A new general and efficient synthesis of imidazo[4,5-c]pyrazoles (5) is reported. The key step of this synthetic procedure is the intramolecular cyclodehydration of 5-alkylamino-4-nitrosopyrazoles (4), which affords the title compounds (5) in good yields. © 1990.
A new general and efficient synthesis of imidazo[4,5-c]pyrazole derivatives
VICENTINI, Chiara Beatrice;VERONESE, Augusto;GIORI, Paolo;GUARNERI, Mario
1990
Abstract
A new general and efficient synthesis of imidazo[4,5-c]pyrazoles (5) is reported. The key step of this synthetic procedure is the intramolecular cyclodehydration of 5-alkylamino-4-nitrosopyrazoles (4), which affords the title compounds (5) in good yields. © 1990.File in questo prodotto:
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