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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