Ionically Tagged Magnetic Nanoparticles with Urea Linkers: Application for Preparation of 2‑Aryl-quinoline-4-carboxylic Acids via an Anomeric-Based Oxidation Mechanism

In this exploration, we reported the design and synthesis of a novel ionically tagged magnetic nanoparticles bearing urea linkers, namely, Fe3O4@SiO2@(CH2)3–urea–thiazole sulfonic acid chloride. The structure of the mentioned compound was fully characterized by using several techniques including Fou...

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Published inACS omega Vol. 5; no. 7; pp. 3207 - 3217
Main Authors Ghasemi, Parvin, Yarie, Meysam, Zolfigol, Mohammad Ali, Taherpour, Avat Arman, Torabi, Morteza
Format Journal Article
LanguageEnglish
Published United States American Chemical Society 25.02.2020
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Summary:In this exploration, we reported the design and synthesis of a novel ionically tagged magnetic nanoparticles bearing urea linkers, namely, Fe3O4@SiO2@(CH2)3–urea–thiazole sulfonic acid chloride. The structure of the mentioned compound was fully characterized by using several techniques including Fourier transform infrared spectroscopy, energy-dispersive X-ray analysis, elemental mapping analysis, thermogravimetric analysis/differential thermal analysis, scanning electron microscopy, transmission electron microscopy, and vibrating sample magnetometer. In the presence of the novel reusable catalyst, applied starting materials including aryl aldehydes, pyruvic acid, and 1-naphthylamine condensed to afford the desired 2-aryl-quinoline-4-carboxylic acid derivatives via an anomeric-based oxidation pathway under solvent-free conditions.
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ISSN:2470-1343
2470-1343
DOI:10.1021/acsomega.9b03277