A new preparative method for the synthesis of 3(5)-amino-4-nitropyrazole starting from accessible 3(5)-methylpyrazole has been elaborated. Nitration of the former affords 3(5)-nitramino-4-nitropyrazole or 1,4-dinitro-3-aminopyrazole, depending on the reaction conditions.
作者:S. A. Shevelev、V. M. Vinogradov、I. L. Dalinger、T. I. Cherkasova
DOI:10.1007/bf00699004
日期:1993.11
A new preparative method for the synthesis of 3(5)-amino-4-nitropyrazole starting from accessible 3(5)-methylpyrazole has been elaborated. Nitration of the former affords 3(5)-nitramino-4-nitropyrazole or 1,4-dinitro-3-aminopyrazole, depending on the reaction conditions.