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作 者:袁泽利[1] 吴庆[1] 杨兴变[1] 胡庆红[1] 张铭钦[1] 钟永科[1]
出 处:《化学世界》2010年第5期289-291,300,共4页Chemical World
摘 要:报道以草酸、邻苯二胺为原料,合成中间体N,N′-双(2-苯氨基)-乙二酰胺(1),然后中间体(1)再与乙酰丙酮反应,合成得到了新型席夫碱大环化合物(2)。并探讨了合成目标大环化合物的最佳合成条件:以50%乙醇做溶剂,在高度稀释下中间体(1)与乙酰丙酮投料比(摩尔比)为1∶1,反应液pH值7~8,于75~80℃条件下反应18 h。目标大环化合物通过元素分析、1H NMR、IR、UV-vis和MS进行组成和结构表征。Novel Schiff bases macrocyclic compounds containing diacylhydrazone(2) were synthesized from N,N-bis(2-aminophenyl)-oxalamide(1) and acetylacetone.The favorable reaction conditions of preparing the title macrocyclic compounds(2) were found as follows: the pH of reaction solution was from 7 to 8,the reaction time was about 18 h,the reaction temperature was 75~80 ℃,the mol ratio of N,N-bis(2-aminophenyl)-oxalamide(1) to acetylacetone was 1∶1,and the solvents was 50% ethanol.The novel Schiff base macrocyclic compounds(2) were characterized by elemental analysis,()^(1)H NMR,IR,UVand MS.
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