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作 者:胡浩然 胡志强[1] HU Hao-ran;HU Zhi-qiang(College of Chemistry and Molecular Engineering,Qingdao University of Science and Technology,Qingdao 266045,Shandong China)
机构地区:[1]青岛科技大学化学与分子工程学院,青岛266045
出 处:《染料与染色》2023年第2期41-43,共3页Dyestuffs and Coloration
摘 要:以对甲基苯甲酸为原料,单质溴为溴代试剂,研究了对溴甲基苯甲酸的合成工艺路线。分别探索了单质溴和双氧水联用进行溴代的影响条件,如溶剂种类、反应温度、原料配比、引发剂种类等。提高了溴原子的利用效率,确定了最优反应条件,以较高的收率得到了对溴甲基苯甲酸。The process of preparing p-bromomethylbenzoic acid frorm p-methybenzoic acid using bromine as broninaing agent was studied.The method of bromination of brormine and hydrogen peroxide was studied,which improved the utilization ffciency of bromine atom.The influence conditions of the two methods,such as solvent lype,reaction temperature,raw material ratio and initiator lype,were explored respectively.The optimal reaction conditions were determined,and p-bromomethyl benzoie acid was obtained with high yield.
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