The reaction was carried in N,N-dimethyl formamide(DMF) under refluxing for 3.5-4.5 h with molar ratio of 3-amino-5-carboxyl-1,2,4-triazole to aromatic aldehyde 1∶1.
采用的反应条件为:3-氨基-5羧基-1,2,4-三唑与取代芳醛的摩尔比为1∶1,N,N-二甲基甲酰胺(DMF)为溶剂,冰醋酸为催化剂,在回流温度下反应3.5—4.5 h。
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N a colourless liquid widely used as a solvent and sometimes as a catalyst. Formula: (CH3)2NCHO 二甲基甲酰胺 ( abbr: DMF)
Several kinds of novel extraction solvents were presented which mainly included N - formylmorpholine, dimethyl formamide, etc.
介绍了石油化工领域采用的几种优良抽提剂，包括N-甲酰吗啉、 二甲基甲酰胺等。
Using phenol and benzyl chloride as raw materials and n, N-dimethyl formamide (DMF) as solvent, benzyl phenyl ether was synthesized under microwave radiation.
采用微波辐射技术，以苯酚、氢氧化钾和氯化苄为原料，N, N -二甲基甲酰胺为溶剂合成了苄苯醚。
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