染料中间体N-氰乙基-N-氰乙基氧乙基间甲苯胺的合成研究  

Study on Synthesis of Dye Intermediate N-Cyanoethyl-N-Cyanoethoxyethyl-m-toluidine

作　　者：龚斌彬 陶彬彬 陈素娟 陈清 丁兴成 GONG Bin-bin;TAO Bin-bin;CHEN Su-juan;CHEN Qin;DING Xing-cheng(Zhejiang Runtu Co.,Ltd.,Shaoxing 312369,China)

机构地区：[1]浙江闰土股份有限公司,浙江绍兴312369

出　　处：《化工管理》2018年第31期183-184,共2页Chemical Engineering Management

摘　　要：本文以N-氰乙基-N-羟乙基间甲苯胺为原料,对苯二酚为阻聚剂,甲醇钠为溶剂,与丙烯腈缩合制备N-氰乙基-N-氰乙基氧乙基间甲苯胺。重点考察了物料配比、反应温度、反应时间和丙烯腈投料方式对反应的影响,在最优工艺条件下,产品纯度达到99%以上,总收率达到99%。N-cyanoethyl-N-cyanoethoxyethyl-m-toluidine wasprepared bycondensation reaction of N-cyanoethyl-N-hydroxyethyl-mtoluidine and acrylonitrile using hydroquinone as anti-polymerizing agent and sodium methoxide as solvent.The effects of material ratio,reaction temperature,reaction time and charging method of acrylonitrile on the reaction were studied.Under optimum conditions,the purity of the product could reach above 99%,and the total yield was up to 99%.

关 键 词：N-羟乙基-N-氰乙基间甲苯胺 丙烯腈 缩合 

分 类 号：TQ612[化学工程—精细化工]