Introduction of an efficient DABCO-based bis-dicationic ionic salt catalyst for the synthesis of arylidenemalononitrile, pyran and polyhydroquinoline derivatives

被引：47

作者：

Zabihzadeh, Mehdi ^{[1
]}

Omidi, Atefeh ^{[1
]}

Shirini, Farhad ^{[1
]}

Tajik, Hassan ^{[1
]}

Langarudi, Mohaddeseh Safarpoor Nikoo ^{[1
]}

机构：

[1] Univ Guilan, Coll Sci, Dept Chem, Rasht 4133519141, Iran

来源：

JOURNAL OF MOLECULAR STRUCTURE | 2020年 / 1206卷

关键词：

DABCO; Dicationic ionic salt; Knoevenagel condensation; Multi-component reactions; Pyran derivatives; Polyhydroquinolines; ONE-POT SYNTHESIS; KNOEVENAGEL CONDENSATION; MULTICOMPONENT SYNTHESIS; MAGNETIC NANOPARTICLES; HETEROGENEOUS CATALYST; REUSABLE CATALYST; ACID-DERIVATIVES; HIGHLY EFFICIENT; GREEN SYNTHESIS; LIQUID;

D O I：

10.1016/j.molstruc.2020.127730

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：

An affordable DABCO-based bis-dicationic ionic salt ([(DABCO)(2)C3H5OH]center dot 2Cl) was utilized for the synthesis of arylidenemalononitrile, tetrahydrobenzo[b]pyran, pyrano[2,3-d]-pyrimidinone (thione), dihydropyrano[3,2-c]chromene, and polyhydroquinoline derivatives. The significant features of the presented method are ease of preparation and handling of the catalyst, high catalytic activity, short reaction times, no column chromatographic separation and simple work-up procedure. Also, the catalyst can be recovered easily and reused for several cycles in the studied reactions. (C) 2020 Elsevier B.V. All rights reserved.

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页数：10

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