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含能材料  2012 

1-甲基-3-氨基-5-硝基-1,2,4-三唑的合成新工艺

DOI: 10.3969/j.issn.1006-9941.2012.01.007

Keywords: 有机化学,含能材料,二氰二胺,1-甲基-3-氨基-5-硝基-1,2,4-三唑(DNMT),合成

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Abstract:

以甲基肼为原料,与盐酸反应得到盐酸甲基肼,再与二氰二胺在50℃进行缩合环化反应,调节溶液pH值,经重氮化反应合成含能化合物1-甲基-3-氨基-5-硝基-1,2,4-三唑(DNMT),总收率62.3%,纯度99.4%,并用红外光谱、核磁共振、质谱、元素分析等方法表征了其结构。探讨了缩合环化反应工艺条件,确定适宜的反应条件为:溶剂为乙醇,n(C2H3N4):n(NH2NHCH3·2HCl)=1:1.1,pH=8~9,成盐组分是盐酸,重结晶溶剂为丙酮。

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