KCC-1/Pr-SO3H:绿色一锅合成2,3-二氢喹唑啉-4(1H)- 1的高效多相催化剂

IF 4.2 3区 材料科学 Q2 MATERIALS SCIENCE, COMPOSITES Nanocomposites Pub Date : 2020-01-02 DOI:10.1080/20550324.2019.1708634
Sajjad Azizi, Jafar Soleymani, M. Hasanzadeh
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引用次数: 15

摘要

摘要/ Abstract摘要:KCC-1/Pr-SO3H是一种高效的纳米催化剂,用于芳香醛、异辛酸酐和伯胺的一锅三组分缩合偶联反应,以乙醇为绿色溶剂,回流条件下合成2,3-二氢喹唑啉-4(1H)- 1。考察了溶剂、温度、时间、催化剂浓度等不同反应参数对2,3-二氢喹唑啉-4(1H)- 1 (4f)合成的影响。KCC-1/Pr-SO3H经过7次循环后,催化活性没有明显损失,易于回收。这种温和、简单的合成方法具有反应时间短、收率高、后处理方便等优点。图形抽象
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KCC-1/Pr-SO3H: an efficient heterogeneous catalyst for green and one-pot synthesis of 2,3-dihydroquinazolin-4(1H)-one
Abstract KCC-1/Pr-SO3H is found to be a considerable efficient nanocatalyst for the one-pot three-component condensation coupling of aromatic aldehydes, isatoic anhydride, and primary amines for the synthesis of 2,3-dihydroquinazolin-4(1H)-ones in ethanol as a green solvent under reflux conditions with excellent yields. The influence of different reaction parameters such as the effects of solvent, temperature, time, and concentration of catalyst for the synthesis of 2,3-dihydroquinazolin-4(1H)-one (4f) were studied. KCC-1/Pr-SO3H is easily recyclable without the significant loss of catalytic activities after seven times. This mild and simple synthesis method offers some worthwhile advantages including short reaction time, high yield, and convenient work-up procedure. Graphical Abstract
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来源期刊
Nanocomposites
Nanocomposites Multiple-
CiteScore
7.40
自引率
15.20%
发文量
18
审稿时长
16 weeks
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