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.

引用

页码：4097 / 4107

页数：10

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