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. 2024 Oct 4;26(39):8430-8434.
doi: 10.1021/acs.orglett.4c03345. Epub 2024 Sep 23.

High-Energy and Thermally Stable Energetic Materials Based on an Azo-Fused Dinitramino Compound

Affiliations

High-Energy and Thermally Stable Energetic Materials Based on an Azo-Fused Dinitramino Compound

Teng Zhu et al. Org Lett. .

Abstract

Here, azo-fused dinitramino energetic compound 5,5'-dinitramino-8,8'-azo-1,2,5-oxadiazolo[3,4-e][1,2,4]triazolo[4,3-a]pyrazine (4) and its energetic salts 5-7 have been prepared. Azo-fused dinitramino compound 4 exhibits excellent detonation performance (P = 36.13 GPa, and Dv = 9126 m s-1), which is obviously better than that of RDX (Dv = 8796 m s-1, and P = 33.60 GPa). In addition, the thermal stability of carbonyl compound 2 (Td = 325 °C) is similar to that of HNS (Td = 318 °C) and 2 exhibits better energy properties. These properties indicate that azo-dinitramino compound 4 has potential as a new secondary explosive, while carbonyl compound 2 also has potential as a new type of heat-resistant explosive.

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