NDLI: Compounds based on 3-amino-4-(5-methyl-1,2,4-oxadiazol-3-yl)furazan as insensitive energetic materials

Content Provider	Royal Society of Chemistry (RSC)
Author	Ju, Xuehai Lin, Qiuhan Yang, Hongwei Cheng, Guangbin Yu, Qiong Lu, Chunxu
Copyright Year	2017
Abstract	3-Amino-4-(5-methyl-1,2,4-oxadiazol-3-yl)furazan was synthesized by reacting 4-amino-N′-hydroxy-1,2,5-oxadiazole-3-carboximidamide with acetamide at a high temperature of 180 °C. N-Trinitroethylamino derivatives and energetic salts based on 3-amino-4-(5-methyl-1,2,4-oxadiazol-3-yl)furazan, which is a combination of 1,2,5- and 1,2,4-oxadizaole rings, were synthesized and fully characterized by multinuclear NMR spectroscopy, IR, and elemental analysis. And, the structures of compounds 1, 3, 4, 7, 9 were further confirmed by single crystal X-ray diffraction. The thermal stabilities of 1–12 were determined by thermogravimetric analysis (TG) and differential scanning calorimetry (DSC), indicating that the reported compounds have moderate thermal stabilities (172–246 °C, except for 3 159 °C). Compounds 1, 4–12 are insensitive towards impact (≥40.1 J) and friction (≥360 N) which were measured by standardized impact and friction tests. Detonation performance was obtained based on the calculated heats of formation and measured densities which indicated that most of these materials are superior to TNT.
Starting Page	1202
Ending Page	1211
Page Count	10
File Format	HTM / HTML PDF
ISSN	11440546
Volume Number	41
Issue Number	3
Journal	New Journal of Chemistry
DOI	10.1039/c6nj03333d
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	X-ray crystallography Differential scanning calorimetry Thermogravimetric analysis DSC Furazan Trinitrotoluene Nuclear magnetic resonance spectroscopy TNT Acetamide
Content Type	Text
Resource Type	Article
Subject	Chemistry Materials Chemistry Catalysis

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