摘要
以肉桂酸与正丁醇为原料,氯化亚锡(SnCl2.2H2O)作为催化剂合成肉桂酸丁酯。对影响酯化率的因素进行了探讨。结果表明,最佳反应条件为:正丁醇与肉桂酸的摩尔比为3∶1,催化剂用量为0.2 g/0.02 mol酸,反应温度140℃左右,反应时间为2 h,酯化率可达92.4%以上。
n-Butyl cinnamate was synthesized by cinnamic acid and n-butyl alcohol as raw material,using stannous chloride （SnCl2 · 2H2O） as catalyst. The effect of elements on esterification rate was studied. The optimum conditions were as follows ： the mole ratio of n-butyl alcohol to cinnamic acid is 3 ： 1, the amount of the catalyst is 0. 2 g/0. 02 tool acid,temperature is 140 ℃, reaction time is 2.0 h,the yield of esterification rate may up to 92.4%
出处
《应用化工》
CAS
CSCD
2009年第7期1010-1012,共3页
Applied Chemical Industry
关键词
肉桂酸丁酯
氯化亚锡
催化酯化
n-butyl cinnamate
stannous chloride
catalysis esterification
