SnO催化合成乙酸正戊酯  

Synthesis of n-amyl acetate using SnO as catalyst

作　　者：陆江林[1] 李向华[1] 杨水金[1] 

机构地区：[1]湖北师范学院化学与环境工程系,湖北黄石435002

出　　处：《应用化工》2002年第4期8-9,12,共3页Applied Chemical Industry

基　　金：湖北省自然科学基金资助项目 (99J0 64)

摘　　要：报道了以SnO为催化剂 ,通过乙酸和正戊醇反应合成了乙酸正戊酯 ,并探讨了诸因素对产率的影响及氧化亚锡催化酯化反应的机理。结果表明 :SnO具有良好的催化活性 ,醇酸物质的量比为 1 3∶1 ,催化剂用量为反应物料总量的 1 5 % ,反应时间 2 0h ,反应温度 1 2 8℃～ 1 34℃ ,产率可达 65 2 %。The synthesis of n amyl acetate using SnO as catalyst has been studied.The factors influencing the synthesis and the mechanism of catalytic esterification by SnO were discussed.The optimum condition is: molar ratio of n pentanol to acetic acid is 1.3∶1,the quantity of catalyst is equal to 1.5% feed stock,the reaction temperature is 128 ℃～134 ℃,and the reaction time is 2.0 h.SnO is an excellent catalyst for synthetizing n amyl acetate and its yield can reach over 65.2%.

关 键 词：催化合成 乙酸正戊酯 氧化锡 酯化反应 

分 类 号：TQ225.241[化学工程—有机化工]