1-Methyl-3-(5-nitrofuran-2-yl)-1H-pyrazole-4-carbonitrile 、
硫酸 在
ice 作用下,
反应 21.0h,
以thus-obtained solution onto ice for a 97% yield of 1-methyl-3-(5-nitro-2-furyl)pyrazole-4-carboxamide [m.p. 251° to 252.5° C]的产率得到1-Methyl-3-(5-nitro-2-furyl)pyrazol-4-carboxamid