Phase-transfer catalyzed acylation of 5(3)-hydroxy-3(5)-substituted-1H-pyrazoles

被引：0
|
作者：
Khalil, Ali Kh [1 ]
Hassan, Mohained A. [1 ]
Mohamed, Mohamed M. [1 ]
El-Sayed, Abeer M. [1 ]
机构：
[1] Ain Shams Univ, Fac Sci, Dept Chem, Cairo, Egypt
来源：
INDIAN JOURNAL OF CHEMISTRY SECTION B-ORGANIC CHEMISTRY INCLUDING MEDICINAL CHEMISTRY | 2006年 / 45卷 / 11期
关键词：
phase-transfer catalysis (PTC); acylation; heterogenous reactions; 1H-pyrazoles; tetrabutylammonium bromide (TBAB); solid/liquid phases;
D O I：
暂无
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
PTC acylation of 5(3)-hydroxy-3(5)-substituted-1H-pyrazoles by different acyl halide reagents at 25 degrees C in the presence of tetrabutylammonium bromide as catalyst has been investigated. This work is aiming to study the comparison of N-versus O- and C-acylation of the starting materials.
引用
收藏
页码：2485 / 2490
页数：6
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