This article compares the classic aproach with the improved one of synthesizing the parabenzoquinone,as a result,the later not only shortens the time ,but also improves theproduction.

• 本文对经典的对苯醌的制备方法和改进后的制备方法时行了比较,认为改进后的制备方法不仅缩短了对苯醌的合成时间,而且能提高对苯酯的产率。