One-Pot Synthesis of Coumarins Using 1,1′-Butylenebis (3-sulfo-3H-imidazol-1-ium) Chloride as an Efficient Task-Specific Ionic Liquid

被引：7

作者：

Khaligh, Nader Ghaffari ^{[1
]}

Mihankhah, Taraneh ^{[2
]}

Johan, Mohd Rafie ^{[1
]}

机构：

[1] Univ Malaya, Nanotechnol & Catalysis Res Ctr, Inst Postgrad Studies, 3rd Floor,Block A, Kuala Lumpur 50603, Malaysia

[2] Kharazmi Univ, Fac Engn, Civil Engn Dept, Tehran, Iran

来源：

POLYCYCLIC AROMATIC COMPOUNDS | 2021年 / 41卷 / 08期

关键词：

Coumarin; dual solvent-catalyst activity; eco-friendly conditions; ionic liquid; structure-activity relationship; IMIDAZOLIUM HYDROGEN SULFATE; UNSYMMETRICAL POLYHYDROQUINOLINE DERIVATIVES; HALOGEN-FREE; MULTICOMPONENT SYNTHESIS; SUBSTITUTED COUMARINS; PECHMANN CONDENSATION; ACID; CATALYST; MECHANISM;

D O I：

10.1080/10406638.2019.1695215

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Dual solvent-catalytic activity of 1,1 '-butylenebis(3-sulfo-3H-imidazol-1-ium) chloride was studied for the synthesis of coumarins under mild conditions. In addition, the catalytic efficiency of some mono- or di-cation ionic liquids containing same counter anion viz. chloride were studied for the model reaction under optimized conditions. The results showed that 1,1 '-butylenebis(3-sulfo-3H-imidazol-1-ium) chloride was superior in the yield of the desired product.

引用

页码：1712 / 1721

页数：10

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