One-pot and chemoselective synthesis of bis(4-hydroxycoumarin) derivatives catalyzed by nano silica chloride

被引：60

作者：

Karimian R. ^{[1
]}

Piri F. ^{[2
]}

Safari A.A. ^{[3
]}

Davarpanah S.J. ^{[1
]}

机构：

[1] Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran

[2] Department of Chemistry, Faculty of Science, Zanjan University, P.O. Box 45195–313, Zanjan

[3] Department of Chemistry, Faculty of Sciences, Zanjan Branch, Islamic Azad University, Zanjan

来源：

Journal of Nanostructure in Chemistry | 2013年 / 3卷 / 1期

关键词：

4-hydroxycoumarin; bis(4-hydroxycoumarin)methane; Chemoselective; Knoevenagel condensation; Michael addition; Nano silica chloride; Recyclable;

D O I：

10.1186/2193-8865-3-52

中图分类号：

学科分类号：

摘要：

Nano silica chloride (nano SiO2Cl) has been found to be an efficient, chemoselective and recyclable catalyst for facile and simple condensation of 4-hydroxycoumarin with aromatic and heteroaromatic aldehydes into bis(4-hydroxycoumarin)methanes in dry CH2Cl2. The products were obtained in high to excellent yields. © 2013, Karimian et al.; licensee Springer.

引用

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