1-Methyl-3-(5-nitro-2-furyl)pyrazol-4-carboxaldehydoxim 、
乙酸酐 以
苯 为溶剂,
反应 2.0h,
以to obtain 1-methyl-3-(5-nitro-2-furyl)pyrazole-4-carboxaldehyde-(O-acetyloxime) [m.p. 192° to 197° C (with decomposition) from toluene] with a yield of 83%的产率得到1-methyl-3-(5-nitro-2-furyl)pyrazole-4-carboxaldehyde-(O-acetyloxime)