无溶剂条件下用四氯铝酸三乙胺- n -磺酸快速高效合成双香豆素的方法

IF 3.5 Q2 CHEMISTRY, MULTIDISCIPLINARY

Chemical Methodologies Pub Date : 2019-09-01 DOI:10.33945/SAMI/CHEMM.2019.5.8

Asieh Kargar-Dolatabadi, A. Zare

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引用次数: 3

摘要

在这项工作中，开发了一种快速高效的双香豆素合成方案。芳香醛(1等)与4-羟基香豆素(2等)在催化量的质子酸离子液体三乙胺- n -磺酸四氯铝酸盐(TSAT)的存在下，在无溶剂条件下进行了一锅准三组分反应，得到了收率高、反应时间短的化合物。

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A Rapid and Highly Effectual Protocol for the Synthesis of Bis-coumarins using Triethylaminium-N-sulfonic Acid Tetrachloroaluminate under Solvent-Free Conditions

In this work, a rapid and highly effectual protocol for the synthesis of bis-coumarins has been developed. The one-pot quasi three-component reaction of aromatic aldehydes (1 eq.) with 4-hydroxycoumarin (2 eq.) in the presence of catalytic amount of protic acidic ionic liquid triethylaminium-N-sulfonic acid tetrachloroaluminate (TSAT) under solvent-free conditions afforded the mentioned compounds in high yields and short reaction times.

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来源期刊

Chemical Methodologies CHEMISTRY, MULTIDISCIPLINARY-

CiteScore

3.10

自引率

1.80%

发文量