The synthesis of dioxybenzoin from phenylacetic acid by chloridization and Friedel-Crafts reaction is described.The purification method of dioxybenzoin is discussed.

• 介绍了以苯乙酸为原料经过酰氯化和付-克反应酰基化两步合成二苯乙酮的工艺,并讨论了最终产物的纯化方法。