Preparation of 2,4-Dinitroimidazole by Thermal Rearrangement of 1,4-DNI
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The thermal decomposition of 1,4-dinitroimidazole was measured by DSC. Based on experiments,this paper studied the thermal rearrangement process for preparing 2,4-dinitroimidazole from 1,4-dinitroimidazole. The influences of reaction temperature and reaction time on the yield of 2,4-dinitroimidazole were discussed. An optional production condition was obtained by the experiments: reaction temperature 125 ℃,reaction time 3.5~4 h,yield 95%.
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刘慧君,杨林,曹端林.由1,4-DNI热重排制备2,4-DNI的研究[J].含能材料,2005,13(3):141-143. LIU Hui-jun, YANG Lin, CAO Duan-lin. Preparation of 2,4-Dinitroimidazole by Thermal Rearrangement of 1,4-DNI[J]. Chinese Journal of Energetic Materials,2005,13(3):141-143.