N,N-二苄基苯胺的制备  

Preparation of N,N-Dibenzylaniline

作　　者：袁芝琴 孟荣娟 宋龙锋 陈海滨 YUAN Zhi-qin;MENG Rong-juan;SONG Long-feng;CHEN Hai-bin(Zhejiang Runtu Co.,Ltd.,Shaoxing 312369,Zhejiang China)

机构地区：[1]浙江闰土股份有限公司,绍兴312369

出　　处：《染料与染色》2022年第2期49-50,43,共3页Dyestuffs and Coloration

摘　　要：本文介绍了一种N,N-二苄基苯胺的合成方法,考察了反应物料配比、反应温度、反应时间等条件对反应收率及产物纯度的影响。最终确定苯胺投料量为93 g,氯化苄为273 g,纯碱为125 g,水为500 g,十二叔胺为1.5 g,反应时间为19 h左右。该条件下N,N-二苄基苯胺的纯度96%以上,收率96%以上。A synthetic method of N,N-dibenzylaniline was introduced,and the effects of reaction material ratio,reaction temperature,reaction time and other conditions on the reaction were investigated.The optimum condition was determined:the feeding amount of aniline is 93 g,benzyl chloride is 273 g,soda ash is 125 g,water is 500 g,dodecyl tertiary amine is 1.5 g,and the reaction time is about 19 h.The purity of the product is more than 96%and the yield is more than 96%.

关 键 词：苯胺 氯化苄 纯碱 十二叔胺 

分 类 号：TQ612.1[化学工程—精细化工]