Nano-BBr3.SiO2: a novel highly efficient heterogeneous catalyst for the one-pot synthesis of 3,4-dihydropyrimidin-2-(1H)-one derivatives

被引：0

作者：

Hatamjafari, F. ^{[1
]}

机构：

[1] Islamic Azad Univ, Fac Sci, Dept Chem, Tonekabon Branch, POB 46841-61167, Tonekabon, Iran

来源：

BULGARIAN CHEMICAL COMMUNICATIONS | 2016年 / 48卷 / 04期

关键词：

Dihydropyrimidin-2(1H)-ones; Nano-BBr3.SiO2; One-pot; Mild conditions; POTASSIUM HYDROGEN SULFATE; SOLVENT-FREE; BIGINELLI REACTION; REUSABLE CATALYST; IONIC LIQUIDS; ACID; PBO; DIHYDROPYRIMIDINONES; PROMOTER;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

This article describes a simple protocol for the efficient synthesis of 3,4-dihydropyrimidin-2(1H)-one derivatives using aromatic aldehydes, ethyl acetoacetate and urea in the presence of nano-BBr3.SiO2 as a catalyst. The structural features of the synthesized compounds were characterized by m.p., IR, MS, H-1 NMR, C-13 NMR, and CHN elemental analysis. We synthesized nano-BBr3.SiO2 for the first time as a nanocatalyst and characterized it by XRD, SEM and TEM techniques. High yields, mild conditions, easy availability, reusability, and green chemistry were some advantages of using this catalyst.

引用

页码：606 / 612

页数：7

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