Abstract:
Nitration of 3,5-dinitropyrazole with HNO3–H2SO4 mixture gives 3,4,5-trinitro-1H-pyrazole, which in reaction with ammonia, amines or thiols under mild conditions undergoes regioselective nucleophilic substitution of the 4-positioned nitro group.
Citation:
I. L. Dalinger, I. A. Vatsadze, T. K. Shkineva, G. P. Popova, S. A. Shevelev, “The specific reactivity of 3,4,5-trinitro-1H-pyrazole”, Mendeleev Commun., 20:5 (2010), 253–254
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