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从间氯苯胺和间二氯苯胺出发,经酰化、硝化、叠氮化和脱氮4步反应,合成了5-乙酰胺基-6-硝基苯并氧化呋咱(e)和7-乙酰胺基苯并二氧化呋咱(j),而(e)和(j)未见文献报道,其结构得到了元素分析、红外光谱、核磁共振氢谱和质谱的确定。文章还利用差热仪研究了目标化合物的热分解,获得了热分解动力学参数:表观活化能E,表观指前因子A和反应速度常数K。
Starting from m-chloroaniline and m-dichloroaniline, 5-acetamido-6-nitrobenzofurazan (e) was synthesized by acylation, nitration, azidation and denitrification. Acetamidobenzofurans (j), and (e) and (j) have not been reported in the literature, and their structures have been determined by elemental analysis, infrared spectroscopy, nuclear magnetic resonance spectroscopy and mass spectrometry. The thermal decomposition of the target compounds was also studied by differential thermal analysis. The thermal decomposition kinetic parameters were obtained: apparent activation energy E, apparent pre-exponential factor A and reaction rate constant K.