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Ionic Liquid-Functionalized Magnetic Nanostructures As an Efficient Catalyst for the Synthesis of 6H-Chromeno[4,3-B]Quinolin-6-Ones Publisher Pubmed



Rahimzadeh G1 ; Bahadorikhalili S1 ; Kianmehr E1 ; Mahdavi M2
Authors

Source: Molecular Diversity Published:2017


Abstract

A novel imidazole ionic liquid (IL)-functionalized silica @ γ-Fe 2O 3 (IL-SiO 2@ MNP) is prepared by the functionalization of 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. 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. © 2017, Springer International Publishing Switzerland.
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