酸性离子液体催化合成N-(3-亚戊基)-3,4-二甲基苯胺  

Synthesis of N-(pentan-3-ylidene)-3,4-dimethyl Aniline Catalyzed by Acidic Ionic Liquids

作　　者：胡智燕[1] 罗书平[2] 许丹倩[2] 

机构地区：[1]浙江农林大学理学院,浙江临安311300 [2]浙江工业大学绿色化学合成技术国家重点实验室培育基地,杭州310014

出　　处：《现代农药》2011年第5期32-33,47,共3页MODERN AGROCHEMICALS

基　　金：浙江省重大科技专项(2009C01030–2)

摘　　要：以3-戊酮与3,4-二甲基苯胺为底物,研究了酸性离子液体催化合成N-(3-亚戊基)-3,4-二甲基苯胺。实验结果表明缩合产物收率可达92%,羧酸型酸性离子液体具有催化活性高和选择性好的优点,且可稳定重复使用7次。该催化工艺操作简单,后处理方便,具有良好的工业化应用前景。The reaction of pentan-3-one with 3,4-dimethylaniline catalyzed by acidic ionic liquids was studied.The condensation product N-（pentan-3-ylidene）-3,4-dimethyl aniline which is the important intermediate of pendimethalin was obtained with up to 92% yield.Carboxylic acid type acidic ionic liquids displayed excellent catalytic activity and selectivity,and could be reused for at least seven times.This new method as a green technology has good prospects for industrial application.

关 键 词：N-(3-亚戊基)-3 4-二甲基苯胺 合成 酸性离子液体 

分 类 号：O643.32[理学—物理化学]