Solvent free synthesis of coumarin derivative by the use of AlSBA-1 molecular sieves

被引：8

作者：

Peng, Mei Mei ^{[1
]}

Hemalatha, Pushparaj ^{[1
]}

Ganesh, Mani ^{[1
]}

Palanichamy, Muthiahpillai ^{[1
]}

Jang, Hyun Tae ^{[1
]}

机构：

[1] Hanseo Univ, Dept Chem Engn, Seosan 356706, South Korea

来源：

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2014年 / 20卷 / 03期

关键词：

AlSBA-1; Pechmann condensation; Coumarin derivative; 3-Methoxyphenol; Ethyl acetoacetate; PECHMANN REACTION; CONDENSATION; PHASE;

D O I：

10.1016/j.jiec.2013.06.028

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

AlSBA-1 molecular sieves were synthesized successfully and used for the synthesis of coumarins through Pechmann condensation. The synthesized AlSBA-1 catalysts were characterized by XRD, BET, SEM, FTIR, TGA techniques. The synthesized materials possess large surface area with mesopores. Pechmann condensation of 3-methoxyphenol and ethyl acetoacetate was carried out under solvent free condition and 7-methoxy-4-methylcoumarin was the main product. The selectivity of the product was found to be 74.04%. Among the synthesized catalysts, AlSBA-1(2) showed high activity than others due to high density of acid sites. Hence, AlSBA-1 molecular sieves a better choice of catalyst for the synthesis of coumarins. (C) 2013 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

引用

页码：953 / 960

页数：8

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