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有机碱催化合成4-氨基二苯胺中间体的工艺研究
A Study on the Synthesis of the Intermediate of 4-Aminodiphenylamine by Catalysis of Organic Alkali
【摘要】 以苯胺和硝基苯为原料,在四甲基氢氧化铵催化下合成4-氨基二苯胺的中间体,温度为70℃~80℃,苯胺、四甲基氢氧化铵和硝基苯摩尔比为6:1.2:1,反应时间为4小时,硝基苯转化率在98%,总收率95%。
【Abstract】 Using nitrobenzene and aniline as material,tetramethyl ammonium hydroxide as catalyst,the intermediate of 4-aminodiphenylamine was prepared,the synthetic process was carried out at 70-80℃,the mole ratio of aniline to tetramethyl ammonium hydroxide to nitrobenzene was 6:1.2:1,reaction time was 4 hours.The overall yield was higher than 95%。
【关键词】 4-氨基二苯胺;
四甲基氢氧化铵;
催化合成;
【Key words】 4-aminodiphenylamine; tetramethylammonium hydroxide; catalytic synthesis;
【Key words】 4-aminodiphenylamine; tetramethylammonium hydroxide; catalytic synthesis;
- 【文献出处】 染料与染色 ,Dyestuffs and Coloration , 编辑部邮箱 ,2007年05期
- 【分类号】TQ246.31
- 【被引频次】4
- 【下载频次】191