Aryl nitriles were obtained by the reactoin of the corresponding carboxylic acids with urea in the presence of sulfamic acid in solvent.

• 报道了芳羧酸在氨基磺酸存在下,在溶剂中同尿素反应生成芳腈的新的合成方法,并同熔融法的实验结果进行了对比。