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Incorporating Energetic Moieties into Four Oxadiazole Ring Systems for the Generation of High-Performance Energetic Materials.
ChemPlusChem ( IF 3.0 ) Pub Date : 2018-05-01 , DOI: 10.1002/cplu.201800107
Bohan Wang 1 , Hualin Xiong 1 , Guangbin Cheng 1 , Hongwei Yang 1
Affiliation  

The synthesis of three neutral 3,3'-di(1,2,5-oxadiazol-3-yl)-5,5'-bi(1,2,4-oxadiazole) structures in combination with different energetic moieties such as nitramino, trinitroethylamino, and N-nitrated trinitroethylamino is presented. In addition, a novel family of energetic salts based on 4,4'-([5,5'-bi(1,2,4-oxadiazole)]-3,3'-diyl)-bis(1,2,5-oxadiazol-3-nitramide) is synthesized. The new compounds (4, 6-18) are characterized by IR and multinuclear NMR spectroscopy and elemental analysis. The structures of 4⋅2 C4 H8 O2 , 9, 13, 15, and 16 are further confirmed by single-crystal X-ray diffraction studies. The thermal stabilities of 4 and 6-18 are determined by differential scanning calorimetry. Most of the new compounds have high densities (1.72-1.93 g cm-3 ) measured using a gas pycnometer (25 °C). Energetic evaluation indicates that they also have good detonation pressures and velocities (P: 26.4-41.9 GPa; D: 8218-9550 m s-1 ).

中文翻译:

将高能部分并入四个恶二唑环系统中,以生成高性能高能材料。

三种中性3,3'-二(1,2,5-恶二唑-3-基)-5,5'-二(1,2,4-恶二唑)结构与不同的高能基团(如硝胺基)的合成提出了三硝基乙基氨基,N-硝化的三硝基乙基氨基。此外,基于4,4'-([[5,5'-bi(1,2,4-恶二唑)]-3,3'-二基)-bis(1,2,5 -恶二唑-3-硝酰胺)的合成。新化合物(4,6-18)的特征在于红外光谱,多核NMR光谱和元素分析。通过单晶X射线衍射研究进一步证实了4⋅2C4 H8 O2,9、13、15和16的结构。4和6-18的热稳定性通过差示扫描量热法确定。大多数新化合物具有使用气体比重瓶(25°C)测量的高密度(1.72-1.93 g cm-3)。
更新日期:2018-05-22
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