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含能材料  2015 

两种新型多氨基多硝基吡啶衍生物的合成与表征

DOI: 10.11943/j.issn.1006-9941.2015.12.005

Keywords: 合成 晶体结构 吡啶衍生物 偶氮化合物 爆轰性能

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Abstract:

以2-氯-4-氨基吡啶(1)为原料,经硝化反应合成出一种新的偶氮桥吡啶衍生物(E)-1, 2-双(2-氯-3-硝基吡啶基-4-基)二氮烯(3)和2-氯-4-氨基-3, 5-二硝基吡啶(2),随后经胺化反应分别得到(E)-1, 2-双(2-氨基-3-硝基吡啶基-4-基)二氮烯(5)和2, 4-二氨基-3, 5-二硝基吡啶(4),总的得率分别为69%和18%。室温下,用氯仿作溶剂得到化合物3的红色晶体用于X-射线衍射分析。用Kamlet-Jacobs经验方程计算了化合物4和5的爆轰性能。结果表明,化合物3为单斜晶系,空间群P21/N,晶胞参数为:a=9.965(2) ?, b=6.3190(13) ?, c=10.737(2) ?, β= 93.75(3)°, V=674.6(2) ?3, Dc=1.689 g·cm-3, C10H4Cl2N6O4, Mr=171.55, F(000)=344, μ(Mo Kα)=0.510 mm-1, Z=4。化合物4的爆轰性能与2, 4, 6-三硝基甲苯(TNT)相当,而化合物5的爆轰性能不佳

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