Nitropyrazole energetic compound and synthesis method thereof

• Main Authors: LI XIAOPING, ZHU CHAOYANG, ZHANG SI, YU KAILUN, ZHOU ZHIMING, QIU XIANPING, WANG FAXUN
• Format: Patent
• Language: Chinese; English
• Published: 08.03.2022
• Subjects: CHEMISTRY; EXPLOSIVES; EXPLOSIVES OR THERMIC COMPOSITIONS; HETEROCYCLIC COMPOUNDS; MANUFACTURE THEREOF; MATCHES; METALLURGY; ORGANIC CHEMISTRY; USE OF SINGLE SUBSTANCES AS EXPLOSIVES

The invention discloses a synthesis method of a nitropyrazole energetic compound, which comprises the following steps: by taking 4-chloropyrazole as a raw material, carrying out nitration, ammonification and oxidation to prepare an important intermediate trinitropyrazole, and reacting the trinitropyrazole with bromoacetone for nitration to obtain the nitropyrazole energetic compound, thereby effectively lowering the synthesis cost and enhancing the yield. The invention further discloses the nitropyrazole energetic compound obtained on the basis of the method, and the energetic compound is high in oxygen content and theoretical energy and can serve as an energetic material to be applied to the fields of explosives, propellants, initiating explosive devices and the like. 本发明公开了一种硝基吡唑含能化合物的合成方法，以4-氯吡唑为原料，经过硝化、氨化、氧化制备得到重要中间体三硝基吡唑，再使三硝基吡唑与溴丙酮反应硝化后得到硝基吡唑含能化合物，有效降低了合成成本，提高了产率；本发明还公开了一种基于上述方法得到的硝基吡唑含能化合物，该含能化合物含氧量高，理论能量高，可作为含能材料在炸药、推进剂及火工品等领域应用。