合成N,N’-双[3-(3,5-二叔丁基-4-羟基苯基)丙酰]六甲撑二胺的新工艺  

Synthesis of N,N' Bisxyphenyl)propionyl] hyxamethylenediamine by a New Method

作　　者：吕九琢[1] 李燕芸[1] 刘霞[1] 袁光[1] 刘文涛[1] 李润波 冯飞 

机构地区：[1]北京石油化工学院化工系

出　　处：《精细化工》1999年第3期29-32,共4页Fine Chemicals

摘　　要：以３（３，５二叔丁基４羟基苯基）丙酸甲酯（简称３，５甲酯）与己二胺为原料，甲苯为溶剂，在二正辛基氧化锡（简称有机锡）催化下合成了题示化合物。考察了催化剂、反应温度、反应时间和物料配比等影响因素，得到的优化反应条件为：３，５甲酯与己二胺摩尔比为（２．１～２．２）∶１，反应温度为１１０～１３０℃，反应时间为５ｈ，有机锡用量为３，５甲酯质量的２％，收率稳定在９６％以上。粗产品经一次重结晶后透光率为９９％（５００ｎｍ）和９８％（４２５ｎｍ）。提出了反应机理，用元素分析、红外光谱、核磁共振对产品进行了确证。The title compound was synthesized in the solvent of toluene with methyl3(3,5ditertbutyl4hydroxyphenyl)propionate() and hexamethylenediamine()as raw materials, organictin as catalyst.The catalyst agent,temperature of the reaction,time of the reaction and the ratio of the raw materials were inspected.The optimum technological conditions were determined that the reaction took place at 110130 for 5h with 2% organictin (based the mass of ) and the molar ratio of /=(2.12.2)/1.Excellent yield (96%) and transmittance (500nm:99%;425nm:98%)were obtained. The reaction mechanism was proposed and the product was characterized by elementary analysis,IR,1HNMR.\=

关 键 词：抗氧剂 氨解 二叔丁基 羟基苯基 丙酸甲酯 

分 类 号：TQ314.249[化学工程—高聚物工业] TQ320.4