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含能材料  2011 

3,4-二硝基吡唑合成与性能研究

DOI: 10.3969/j.issn.1006-9941.2011.04.005

Keywords: 有机化学,3,4-二硝基吡唑,合成,硝化

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Abstract:

以吡唑为原料,经N-硝化、热重排、C-硝化等反应合成了3,4-二硝基吡唑(DNP)。采用红外光谱、核磁共振、质谱及元素分析对其结构进行了鉴定;同时,改变加料方式的安全硝化工艺制备N-硝基吡唑,优化了C-硝化反应条件,确定C-硝化的最佳反应条件为反应温度55~60℃,3-硝基吡唑与硝酸摩尔比为1:2,反应时间1h,总收率为55%。

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