Synthesis and characterization of oxygen-containing imidazo[1,2-d][1,2,4] oxadiazole fused-ring energetic compounds

被引：6

作者：

Dou, Hui ^{[1
,2
]}

Chen, Peng ^{[1
,2
]}

He, Chun-Lin ^{[1
,2
,3
,4
]}

Pang, Si-Ping ^{[1
]}

机构：

[1] Beijing Inst Technol, Sch Mat Sci & Engn, Beijing 100081, Peoples R China

[2] Beijing Inst Technol, Expt Ctr Adv Mat, Sch Mat Sci & Engn, Beijing 100081, Peoples R China

[3] Beijing Inst Technol, Yangtze Delta Reg Acad, Jiaxing 314019, Peoples R China

[4] Beijing Inst Technol, Chongqing Innovat Ctr, Chongqing 401120, Peoples R China

来源：

ENERGETIC MATERIALS FRONTIERS | 2023年 / 3卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Fused ring; Imidazo[12-d][1,2,4] oxadiazole; Energetic compounds; Detonation performance; HETEROCYCLE;

D O I：

10.1016/j.enmf.2022.07.002

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Oxygen plays an important role in improving the oxygen balances and densities of energetic compounds. In this study, a series of oxygen-containing imidazo[1,2-d][1,2,4]oxadiazole building block-based energetic compounds (3-8) were synthesized and fully characterized. In addition, the structures of compounds 3-7 were determined using single-crystal X-ray diffraction. The properties of compounds were evaluated based on their density, dif-ferential scanning calorimetry, impact and friction sensitivities, heat of formation, and detonation performances. The insensitive properties of compound 6 (IS > 40 J, FS > 360 N) and its detonation properties (8682 m center dot s(-1), 32.8 GPa), which are comparable to those of RDX (8795 m center dot s(-1), 34.9 GPa), demonstrate that it is effective to improve the properties of energetic compounds by constructing oxygen-containing fused-ring backbone.

引用

页码：154 / 160

页数：7

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