One-pot synthesis of coumarine derivatives using butylenebispyridinium hydrogen sulfate as novel ionic liquid catalyst

被引：0
|
作者：
Sobhan Rezayati
Fatemeh Sheikholeslami-Farahani
Faramarz Rostami-Charati
Saeid Afshari Sharif Abad
机构：
[1] Islamic Azad University,Department of Chemistry, Qaemshahr Branch
[2] Islamic Azad University,Department of Chemistry, Firookooh Branch
[3] Gonbad Kavous University,Department of Chemistry, Faculty of Science
来源：
Research on Chemical Intermediates | 2016年 / 42卷
关键词：
(Bbpy)(HSO; ); Ionic liquid; Solvent-free conditions; Pechmann condensation;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Pechmann condensation reaction of 3-hydroxyphenol and ethyl acetoacetate in the presence of 1,1′‐butylenebispyridinium hydrogen sulfate as an efficient, green, and recyclable catalyst produces 7-hydroxy-4-methylcoumarin in good yield under solvent-free conditions at room temperature. This catalyst has advantages such as the following: good to excellent yields, short reaction times, simplicity in operation, and easy workup procedure.
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页码：4097 / 4107
页数：10
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