The structure of product was determined by the IR, 1H NMR. 5-(4-methoxy) phenylmethylenehydantoin was determined by the single crystal X-ray diffraction.

• 产物的结构经红外、核磁共振表征，同时还对5-(4-甲氧基)亚苄基海因单晶进行了X射线衍射分析。