Polyaniline-supported acid as an efficient and reusable catalyst for a one-pot synthesis of β-acetamido ketones via a four-component condensation reaction

被引：37
作者：
Nabid, Mohammad Reza [1 ]
Rezaei, Seyed Jamal Tabatabaei [1 ]
机构：
[1] Shahid Beheshti Univ, Dept Chem, Tehran, Iran
来源：
APPLIED CATALYSIS A-GENERAL | 2009年 / 366卷 / 01期
关键词：
Polyaniline salts; Reusable catalyst; beta-Acetamido ketones; Multi-component reactions; DAKIN-WEST REACTION; CARBONYL-COMPOUNDS; 1,3-AMINO ALCOHOLS;
D O I：
10.1016/j.apcata.2009.06.035
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：
Polyaniline-supported acid salts such as polyaniline-hydrochloride, polyaniline-sulfate and polyaniline-nitrate were prepared by oxidation of aniline using ammonium persulfate as oxidizing agents. Polyaniline salts were used as catalyst for the preparation of beta-acetamido ketones. Polyaniline-sulfate salt was found to be the best catalyst for the preparation of beta-acetamido ketones. Present methodology offers several advantages, such as cheaper process, easy synthesis of stable catalyst, simple work-up procedure. and excellent activity with less amount of catalyst and in addition, the catalyst can be easily recovered after completion of the reaction and reusable without affecting its activity. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：108 / 113
页数：6
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