-(-Bromophenyl)- -(H-,,-triazol- -yl)urea was synthesized by reaction of -bromophehy isocyan- ate and -amino-H-,,-triaz以-溴苯甲酸为原料,经过Curtius重排反应制得-溴苯异氰酸酯,再进一步与 -氨基-H-,,-三氮唑发生亲核加成反应,合成了目标产物-(-溴苯基)- -(H-,,-三氮唑- -基)脲。