HClO_4-SiO_2催化合成尼泊金丙酯  

HClO_4-SiO_2 catalyzed synthesis propyl p-hydroxybenzoate

作　　者：沈发治[1] 王勤[1] 

机构地区：[1]扬州工业职业技术学院,江苏扬州225127

出　　处：《中国调味品》2010年第5期84-85,101,共3页China Condiment

摘　　要：以对羟基苯甲酸和正丙醇为原料,HClO4-Si O2为催化剂,经过回流脱水酯化法直接合成对羟基苯甲酸丙酯。催化剂循环使用6次,酯化率可高达90.1%。该反应产率高、反应时间短、操作简单等优点。The Synthesis of propyl p-hydroxybenzoate from p-hydmxybenzoic acid and propanol using HClO4-SiO2 as the catalyst under the circumfluent dehydration conditions.When the catalyst was used for 6 times without any treatment,the yield of esterification product could get high yield 90.1%.This reaction has advantages of high yields,short reaction time,easy of workup.

关 键 词：尼泊金丙酯 HClO4-SiO2 对羟基苯甲酸 酯化 合成 

分 类 号：TS202.3[轻工技术与工程—食品科学]