The optimized synthetic route was obtained,and synthesis of asymmetry 1,3,4-oxadiazoles using P(Ph)3 /(Et)3N/CCl4 as dehydration agent was an excellent method.

• 设计并合成了3个2-对溴苯基-5-芳基-1,3,4-恶二唑类化合物,它们是进一步合成具有光电功能特性的恶二唑类化合物的重要前体。