Ionic liquid-functionalized magnetic nanostructures as an efficient catalyst for the synthesis of 6H-chromeno[4,3-b]quinolin-6-ones

Ionic liquid-functionalized magnetic nanostructures as an efficient catalyst for the synthesis of... A novel imidazole ionic liquid (IL)-functionalized $$\hbox {silica}@\gamma $$ silica @ γ - $$\hbox {Fe}_{2}\hbox {O}_{3}$$ Fe 2 O 3 ( $$\hbox {IL-SiO}_{2}@\hbox {MNP}$$ IL-SiO 2 @ MNP ) is prepared by the functionalization of $$\hbox {SiO}_{2}@\hbox {MNP}$$ SiO 2 @ MNP by 1-butyl-3-(3-trimethoxypropyl)-1H-imidazol-3-ium chloride as the IL moiety. The catalyst is characterized by transmission electron microscopy, scanning electron microscope, vibrating sample magnetometer, dynamic light scattering and Fourier transform infrared spectroscopy. $$\hbox {IL-SiO}_{2}@\hbox {MNP}$$ IL-SiO 2 @ MNP showed good activity in the synthesis of 6H-chromeno[4,3-b]quinolin-6-one derivatives via multicomponent reaction of 4-hydroxycoumarin, anilines and benzaldehydes. The nanocatalyst is magnetically separable and easily recoverable and showed successful activity up to 10 runs. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Molecular Diversity Springer Journals

Ionic liquid-functionalized magnetic nanostructures as an efficient catalyst for the synthesis of 6H-chromeno[4,3-b]quinolin-6-ones

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Publisher
Springer Journals
Copyright
Copyright © 2017 by Springer International Publishing Switzerland
Subject
Life Sciences; Biochemistry, general; Organic Chemistry; Polymer Sciences; Pharmacy
ISSN
1381-1991
eISSN
1573-501X
D.O.I.
10.1007/s11030-017-9746-7
Publisher site
See Article on Publisher Site

Abstract

A novel imidazole ionic liquid (IL)-functionalized $$\hbox {silica}@\gamma $$ silica @ γ - $$\hbox {Fe}_{2}\hbox {O}_{3}$$ Fe 2 O 3 ( $$\hbox {IL-SiO}_{2}@\hbox {MNP}$$ IL-SiO 2 @ MNP ) is prepared by the functionalization of $$\hbox {SiO}_{2}@\hbox {MNP}$$ SiO 2 @ MNP by 1-butyl-3-(3-trimethoxypropyl)-1H-imidazol-3-ium chloride as the IL moiety. The catalyst is characterized by transmission electron microscopy, scanning electron microscope, vibrating sample magnetometer, dynamic light scattering and Fourier transform infrared spectroscopy. $$\hbox {IL-SiO}_{2}@\hbox {MNP}$$ IL-SiO 2 @ MNP showed good activity in the synthesis of 6H-chromeno[4,3-b]quinolin-6-one derivatives via multicomponent reaction of 4-hydroxycoumarin, anilines and benzaldehydes. The nanocatalyst is magnetically separable and easily recoverable and showed successful activity up to 10 runs.

Journal

Molecular DiversitySpringer Journals

Published: May 5, 2017

References

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