Tetracyclic pyrazine-fused furazans as insensitive energetic materials: syntheses, structures, and properties,Organic & Biomolecular Chemistry

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Tetracyclic pyrazine-fused furazans as insensitive energetic materials: syntheses, structures, and properties
Organic & Biomolecular Chemistry ( IF 2.9 ) Pub Date : 2018-10-11 , DOI: 10.1039/c8ob02155d
Qi Sun _{1,

2,

3,

4} , Xin Li _{1,

2,

3,

4} , Qiuhan Lin _{1,

2,

3,

4} , Ming Lu _{1,

2,

3,

4}

Affiliation

Energetic compounds with fused tetracyclic backbones were synthesized and fully characterized, and their structures were confirmed by single crystal X-ray diffraction. Changes from nonplanar to planar structures led their densities to increase from 1.800 to 1.856 g cm⁻³ (298 K). Hydrogen bonds and π–π interactions were analyzed to understand this phenomenon. Energetic evaluations showed that compounds 2 and 3 detonated with performance comparable to TATB. Excellent mechanical sensitivities (IS: >40 J; FS: >360 N) indicate the promise of these furazans as insensitive energetic materials.

中文翻译：

四环吡嗪稠合的呋喃唑作为不敏感的高能材料：合成，结构和性质

合成并充分表征了具有稠合四环骨架的高能化合物，并通过单晶X射线衍射证实了其结构。从非平面结构到平面结构的变化导致其密度从1.800 g cm ^-3（298 K）增加到1.856 g cm ^-3（298 K）。分析了氢键和π-π相互作用以了解这种现象。能量评估表明，化合物2和3的爆炸性能与TATB相当。出色的机械敏感性（IS：> 40 J； FS：> 360 N）表明这些呋喃丹有望用作不敏感的高能材料。

更新日期：2018-11-07

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