Journal
CATALYSIS COMMUNICATIONS
Volume 68, Issue -, Pages 77-83Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2015.05.002
Keywords
Magnetic nanocomposite; Fe3O4; K-Carrageenan (KCAR); Fe3O4@KCAR; Rhodanine
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In this work, magnetically separable Fe3O4 nanoparticles were synthesized in the presence of natural K-carrageenan (KCAR) biopolymer to provide Fe3O4@KCAR. FT-IR analysis, scanning electron microscopy (SEM), X-ray diffraction, VSM analysis, and SEM-EDAX were incorporated for the characterization of Fe3O4@KCAR nanocomposite. And then, the first catalytic report of Fe3O4@KCAR with no post-modification was achieved by studying its catalytic activity in the multicomponent reaction of rhodanine synthesis. Based on this study, Fe3O4@KCAR was an efficient, magnetically separable and recyclable, water-dispersible and green catalyst with natural source. This catalyst also showed 9-run recyclability with no significant yield decrease. (C) 2015 Elsevier B.V. All rights reserved.
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