微波辐射硫酸氢钠催化合成对羟基苯甲酸异丙酯  

Synthesis of 4-hydroxybenzoic acid isopropy ester catalyzed by sodium bisulfate under microwave radiation

作　　者：杨晓军[1] 冯小丽[1] 张丽霞[1] 

机构地区：[1]延安大学化学与化工学院,陕西延安716000

出　　处：《应用化工》2012年第2期246-247,251,共3页Applied Chemical Industry

基　　金：陕西省教育厅自然科学基金资助项目(2010JK912);延安大学大学生科技创新训练计划项目(D2011-17)

摘　　要：在微波辐射下,以一水合硫酸氢钠为催化剂,对羟基苯甲酸和异丙醇为原料,合成对羟基苯甲酸异丙酯。研究了微波功率、原料配比、反应时间对酯化的影响。结果表明,当微波辐射功率为450 W,n(对羟基苯甲酸)∶n(异丙醇)∶n(一水合硫酸氢钠)=1.0∶3.0∶0.145,反应时间18 min时,酯化率达92.6%。The 4-hydroxybenzoic acid isopropy ester was synthesized under microwave radiation from 4-hydroxybenzoic acid and isopropy alcohol using sodium bisulfate as catalyst.Effect of microwave power,ratio of materials,reaction time on esterification was investigated.The results showed that when the power of microwave radiation was 450 W,reflux time was 18 min,n（4-hydroxybenzoic acid）∶n（isopropy alcohol）∶n（sodium bisulfate）= 1.0 ∶ 3.0 ∶ 0.145,the conversion rate of acid reached 92.6%.

关 键 词：微波辐射 对羟基苯甲酸异丙酯 合成 硫酸氢钠 

分 类 号：TQ016.1[化学工程]