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考察了反应介质、物料比、反应温度和反应时间对１，３－二溴－５，６－二甲基乙内酰脲合成产率的影响，并确定了最佳合成条件，产率８８％。
The effects of reaction medium, material ratio, reaction temperature and reaction time on the synthesis yield of 1,3-dibromo-5,6-dimethylhydantoin were investigated. The optimal synthesis conditions were determined and the yield was 88% .