A rapid and eco-friendly synthesis of novel and known benzopyrazines using silica tungstic acid (STA) as a new and recyclable catalyst

被引：50

作者：

Khodabakhshi, Saeed ^{[1
]}

Karami, Bahador ^{[1
]}

机构：

[1] Islamic Azad Univ, Gachsaran Branch, Dept Chem, Gachsaran, Iran

来源：

CATALYSIS SCIENCE & TECHNOLOGY | 2012年 / 2卷 / 09期

关键词：

QUINOXALINE DERIVATIVES; SULFURIC-ACID; ROOM-TEMPERATURE; EFFICIENT; NANOPARTICLES; CONDENSATION;

D O I：

10.1039/c2cy20227a

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A novel silica tungstic acid (STA) as a green catalyst has been prepared and employed for the solvent-free synthesis of novel benzopyrazines. Catalyst loadings as low as 2 mol% could be used leading to high yields of pure products. The STA was characterized by X-ray fluorescence (XRF), X-ray diffraction (XRD), inductively coupled plasma (ICP-OES) and Fourier transform infrared spectroscopy (FT-IR).

引用

页码：1940 / 1944

页数：5

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