Friedländer Synthesis of Substituted Quinolines Using an Efficient and Reusable Brønsted Acid Ionic Liquid Supported on Fe۳O۴@SiO۲ Nanoparticles under Solvent-free Conditions

In this study, a highly efficient and recyclable Brønsted acid ionic liquid, ۱-methyl-۳-(۳-triethoxysilylpropyl)-۱H-imidazol-۳-ium hydrogensulfate, immobilized on the surface of Fe۳O۴@SiO۲ (MNP-IL-HSO۴) was prepared and characterized. Then, the catalytic activity of this nanomagnetic catalyst was investigated in the Friedländer synthesis of substituted quinolines through the cyclocondensation reaction of o-aminoaryl ketones with α-methylene carbonyl compounds under solvent-free conditions. The present protocol has several advantages, including short reaction times, high yield of products, simplicity in operation, simple work-up and reusability of the catalyst.

Keywords:

Magnetic nanoparticles , Supported ionic liquids , Quinolines , Friedländer synthesis , Solvent-free conditions

Authors

Mehdi Fallah-Mehrjardi

Department of Chemistry, Payame Noor University, Tehran, ۱۹۳۹۵-۴۶۹۷, Iran

Samaneh Kalantari

Department of Chemistry, Payame Noor University (PNU), P.O. Box ۱۹۳۹۵-۳۶۹۷, Tehran, Iran

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https://civilica.com/doc/1766131

شناسه ملی سند علمی:

JR_ORGC-6-1_012

تاریخ نمایه سازی: 3 مهر 1402

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Fallah-Mehrjardi, Mehdi and Kalantari, Samaneh,1399,Friedländer Synthesis of Substituted Quinolines Using an Efficient and Reusable Brønsted Acid Ionic Liquid Supported on Fe۳O۴@SiO۲ Nanoparticles under Solvent-free Conditions,https://civilica.com/doc/1766131

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