对二乙氨基苯甲酸合成新工艺研究  

The New Technology of Synthesis of 4-Diethylaminobenzoic Acid

作　　者：童国通[1] 

机构地区：[1]杭州电化集团有限公司研发中心,浙江杭州310053

出　　处：《精细化工中间体》2004年第5期61-62,共2页Fine Chemical Intermediates

摘　　要：研究了以N,N-二乙基苯胺和双(三氯甲基)碳酸酯为原料,无水AlCl3作催化剂,进行Feidel-Crafts酰基化反应合成对二乙氨基苯甲酸的新工艺路线。考察了催化剂的种类,物料配比,反应温度等因素对反应的影响,优化了反应参数,产品收率达56%,纯度99%。The preparation of 4-diethylaminobenzoic acid by Friedel-Crafts reaction from BTC and N,N-diethyl baniline in the presence of anhydrous AlCl_ 3 as catalyst was studied. The effects of distinct kind of catalyst, ratio of raw materials, reaction temperature, ect on the reaction yield were investigated. The purity and yield of product were 99% and 56%.

关 键 词：对二乙氨基苯甲酸 双(三氯甲基)碳酸酯 Feidel—Crafts反应 合成 

分 类 号：TQ245.12[化学工程—有机化工]