盐酸普鲁卡因的合成摘要:以对硝基苯甲酸,二甲苯,二乙胺为主要原料,二甲苯为催化剂,研究盐酸普鲁卡因的合成工艺
通过单因素实验考察了反应时间、反应温度、二甲苯溶剂用量等因素对反应结果的影响,确定最佳合成工艺条件,即反应温度 118℃,反应时间 7h,二甲苯溶剂用量 240g,产品收率为 65
关键词: 盐酸普鲁卡因 二乙胺 对硝基甲苯酸 合成The synthesis of procaine hydrochlorideABSTRACT: the synthesis of procaine hydrochloride was studied with p-nitrobenzoic acid, xylene and diethylamine as main raw materials and xylene as catalyst
The effects of reaction time, reaction temperature and xylene solvent dosage on the reaction results were investigated by single factor experiment, and the optimum synthesis conditions were determined, namely reaction temperature 118, reaction time 7h, xylene solvent dosage 240g, product yield 65
℃Key words:Synthesis of procaine hydrochloride diethylamine p-nitrotoluenic acid第一章 绪论盐酸普鲁卡因是通过研究可卡因的分子结构并最终通过化学合成获得的局部麻醉剂[1]