Silica Supported Perchloric Acid: A Convenient and Environmentally Friendly Catalyst for the One-pot Multicomponent Synthesis of β-Acetamido Ketones

被引：8
|
作者：
Nasr-Esfahani, Masoud [1 ]
Montazerozohori, Morteza [1 ]
Gholampour, Tahere [1 ]
机构：
[1] Univ Yasuj, Dept Chem, Yasuj 7591874831, Iran
来源：
CHINESE JOURNAL OF CHEMISTRY | 2011年 / 29卷 / 01期
关键词：
silica supported perchloric acid; beta-acetamido ketone; Dakin-West reaction; supported catalyst; multicomponent reaction; REUSABLE CATALYST; CARBONYL-COMPOUNDS; VIBRATIONAL-SPECTRA; 1,3-AMINO ALCOHOLS; EFFICIENT METHOD; HCLO4-SIO2; CONDENSATION; ALDEHYDES; SONOCHEMISTRY; ACETONITRILE;
D O I：
10.1002/cjoc.201190038
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A modified Dakin-West one-pot, four-component condensation of an aryl aldehyde, aryl ketone, acetyl chloride and acetonitrile in the presence of silica supported perchloric acid as an active, inexpensive, recoverable and recyclable catalyst is reported for the synthesis of beta-acetamido ketones under mechanical stirring and ultrasonic irradiation conditions. This system has advantages of short reaction times, good to excellent yields and the ability to carry Out the large scale reactions. The use of ultrasound increases the rate of reactions compared with reactions at reflux conditions.
引用
收藏
页码：123 / 130
页数：8
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