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含能材料  2011 

新法合成5-氨基四唑

DOI: 10.3969/j.issn.1006-9941.2011.03.006

Keywords: 有机化学,5-氨基四唑,重氮化,分子内环化

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Abstract:

以氨基胍硝酸盐为原料,重氮化后,调节反应溶液至弱碱性,加热分子内环化得到5-氨基四唑,并采用红外光谱、核磁共振光谱、质谱等方法,进行了结构表征。探讨了5-氨基四唑合成反应机理,考察了环化反应溶液酸碱性、反应温度及反应时间等关键因素对反应的影响,获得适宜反应条件为:重氮化反应pH=2~3、温度为20~30℃、时间为0.5h,环化反应溶液pH=8~9,温度为85~90℃,反应3.5h,5-氨基四唑的收率达77.2%。

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