CHINESE JOURNAL OF ENERGETIC MATERIALS
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Synthesis and Properties of Imine-bridged Planar Nitrogen-rich Energetic Materials
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School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China

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    Abstract:

    Planar heteroaromatic compounds containing amino and nitro functional groups usually have excellent detonation performances. Hereby, the ─NH─ bond bridging two high-nitrogen fused rings was adopted aiming at constructing a nitrogen-rich energetic compound with a planar structure. The resulting compound is expected to have a regular packing in crystal and favorable detonation performance and stabilities. Reaction of 2,6-diamino-3,5-dinitropyrazine (2) with K2CO3 gives rise to 6-(2,6-diamino-3,5-dinitropyrazine)-1,2,4-triazole[4,3-b][1,2,4,5]tetrazine (3) in a high yield of 81.3%. Compound 3 was characterized by NMR, IR, single crystal X-ray diffraction. The thermal decomposition process of 3 was studied by differential scanning calorimetry (DSC), and its decomposition temperature (onset) is as high as 254.6 ℃. The detonation performances of 3 D=7568 m·s-1P=23.5 GPa) were calculated by Gaussian 09 and Explo5 software.

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李柯佳,汤永兴,黄伟.亚胺基桥连的平面型富氮含能化合物的合成与性能[J].含能材料,2021,29(8):721-725.
LI Ke-jia, TANG Yong-xing, HUANG Wei. Synthesis and Properties of Imine-bridged Planar Nitrogen-rich Energetic Materials[J]. Chinese Journal of Energetic Materials,2021,29(8):721-725.

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History
  • Received:December 14,2020
  • Revised:March 24,2021
  • Adopted:February 07,2021
  • Online: March 03,2021
  • Published: August 25,2021