摘要
以苯甲醛为起始原料 ,经Perkin反应首先制备肉桂酸 ,然后在不同催化剂作用下经酯化反应合成了肉桂酸异戊酯 ,确定了最佳反应物的配料比、催化剂用量等反应条件 ,当对甲苯磺酸的用量为反应体系量的 3% ,酸醇比为 1∶1 3(mol)时 ,可得到 81%的肉桂酸异戊酯 ,并对合成产物的红外光谱和物理常数进行了测定 ,与文献值相符。
The catalytic synthesis of isoamyl cinnamate by the esterifi-cation reaction of cinnamate acid and isoamylol in the presence of different acid catalysts was investigated in this paper. It was found that p-toluenesulfonic (PTS) acid was the efficient catalyst , and also the optimum conditions have been established from the ratio of reactants and the amount of catalyst used in the reaction. The yield of isoamyl cinnamate is 81% when the ratio of cinnamate acid and isoamylol was 1:1. 3, over 3% PTS catalyst. The synthetic isoamyl cinnamate was identified by IR spectrum and its physico-chemical constant, which was in agreement with the authentic sample.
出处
《精细化工中间体》
CAS
2002年第6期25-26,共2页
Fine Chemical Intermediates
基金
湖南省自然科学基金资助项目 (0 1JJY3 0 0 8)
关键词
催化合成
肉桂酸异戊酯
对甲苯磺酸
phenyl-propenoate
isoamylol
isoamyl 3-phenyl-propenoate
p-toluenesulfonic
catalytic synthesis
