246048-63-5Relevant articles and documents
Benzimidazole bifurazan series compounds and synthesis method thereof
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Paragraph 0038-0041; 0044, (2020/07/28)
The invention provides benzimidazole bifurazan series compounds and a synthesis method thereof. The molecular structure of the compounds is represented by a formula I, wherein R1 is selected from hydrogen, halogen, trifluoromethyl, nitryl, amino, sulfo, methyl, tert-butyl, methoxyl, carboxyl, ethoxyformyl or benzoyl; R2 is selected from hydrogen or fluorine. On the basis, the invention discloses an efficient method for preparing the series of compounds. The preparation method comprises the steps: synthesizing an intermediate 4-amino-1,2,5-oxadiazole-3-methoxyamidine by taking malononitrile asa starting raw material, carrying out a reaction on the intermediate with o-phenylenediamine or a substitute thereof under a heating reflux condition by taking acetic acid as a solvent, cooling, adding water, stirring to separate out a solid after the reaction is finished, and carrying out suction filtration, washing, drying and the like to obtain a final product. According to the method, a pure product can be obtained without recrystallization, column chromatography separation and other steps, the method is simple, rapid and practical, and the yield can generally reach 80% or above.
A novel energetic framework combining the advantages of furazan and triazole: A design for high-performance insensitive explosives
Cheng, Guangbin,Ma, Jinchao,Tang, Jie,Yang, Hongwei,Yi, Zhenxin,Zhang, Guojie,Zhu, Shunguan
, p. 4675 - 4679 (2020/04/24)
A series of tetracyclic furazan-triazole compounds have been synthesized and fully characterized. The predicted detonation performance and tested mechanical sensitivities showed their high-energy performance and insensitive features. Quantum chemical calculations and crystal structure analysis were applied to study the intrinsic structure-property relationship among these compounds. In addition, the detonation test shows their promising potential as secondary explosives.