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含能材料  2005 

ZnBr2催化合成5-氨基四唑

Keywords: 有机化学,5-氨基四唑,溴化锌,催化,环加成

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Abstract:

以ZnBr2为催化剂,双氰胺和叠氮化钠在水溶液中反应合成了5-氨基四唑。考察了反应物摩尔比、催化剂用量、反应温度和反应时间对反应的影响。结果表明,当n(叠氮化钠)∶n(双氰胺)=1∶1.6,催化剂用量n(叠氮化钠)∶n(溴化锌)=1∶0.3,反应温度75~85℃,反应时间5.5h时,5-氨基四唑平均收率达83.6%。因此ZnBr2是催化合成5-氨基四唑的优良催化剂。

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