Metal salt-catalyzed diazocoupling of 3-substituted-1H-pyrazol-2-in-5-ones in aqueous medium

被引：30
作者：
Khalil, AK [1 ]
Hassan, MA [1 ]
Mohamed, MM [1 ]
El-Sayed, AM [1 ]
机构：
[1] Ain Shams Univ, Fac Sci, Dept Chem, Cairo, Egypt
来源：
DYES AND PIGMENTS | 2005年 / 66卷 / 03期
关键词：
AlCl3-catalyst; diazocoupling in water; 3-substituted-1H-pyrazol-2-in-5-ones;
D O I：
10.1016/j.dyepig.2004.10.005
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Organic synthesis in water belongs to green chemistry. AlCl3-catalyzed diazocoupling of 3-substituted-1 H-pyrazol-2-in-5-ones (1) in water with different aryldiazonium salts yielded (5-hydroxy-3-substituted-1H-pyrazol-4-yl)-azobenzene derivatives (2) as colored products with high yields. (c) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码：241 / 245
页数：5
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