Zirconium(IV) 4-sulphophenylethyliminobismethylphosphonate as an efficient and reusable catalyst for one-pot synthesis of 3,4-dihydropyrimidones under solvent-free conditions

被引：0

作者：

Xin-Bin Yang

Xiang-Kai Fu

Yu Huang

Ren-Quan Zeng

机构：

[1] Southwest University,Department of Chemistry, Rongchang Campus

[2] Southwest University,School of Chemistry and Chemical Engineering

[3] Ningxia Medical University,Pharmacy College

来源：

Chemical Papers | 2011年 / 65卷

关键词：

zirconium; phosphonate; acid catalyst; 3,4-dihydropyrimidones; solvent-free;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Zirconium(IV) 4-sulphophenylethyliminobismethylphosphonate (ZSBEDP) was prepared and characterised by elemental analysis, IR, TG-DSC, and XRD. ZSBEDP was found to be an efficient catalyst for the Biginelli reaction of aromatic aldehyde, ethyl acetoacetate, and urea or thiourea under solvent-free conditions so as to give 3,4-dihydropyrimidones in good to excellent yields. The catalyst can be separated by simple filtration and reused without significant loss of its catalytic activity.

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页码：829 / 834

页数：5

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