An expedient esterification of aromatic carboxylic acids using sodium bromate and sodium hydrogen sulfite

被引：36
|
作者：
Khan, KM [1 ]
Maharvi, GM [1 ]
Hayat, S [1 ]
Zia-Ullah [1 ]
Choudhary, MI [1 ]
Atta-ur-Rahman [1 ]
机构：
[1] Univ Karachi, HEJ Res Inst Chem, Int Ctr Chem Sci, Karachi 75270, Pakistan
来源：
TETRAHEDRON | 2003年 / 59卷 / 29期
关键词：
aromatic carboxylic acids; substituted toluene; sodium bromate; sodium hydrogen sulfite; esters;
D O I：
10.1016/S0040-4020(03)00812-3
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Treatment of aromatic carboxylic acids and substituted toluenes with a mixture of sodium bromate and sodium hydrogen sulfite in a two-phase system gave the corresponding esters in good yield. The intermediate alpha-brominated toluene was formed by the in situ generated hypobromous acid. The alpha-bromotoluene underwent an intermolecular nucleophilic substitution reaction with aromatic carboxylic acids present in the reaction mixture to afford the corresponding esters. (C) 2003 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：5549 / 5554
页数：6
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