The surface of the silica-coated Fe3O4 magnetic nanoparticle
(MNPs) coated was modified with piperidinium benzene-1,3-disulfonate salt (PBDS-SCMNPs). Then, it was characterized using different techniques and subsequently, its catalytic activity was tested in the one-pot three-component synthesis of chromene derivatives under optimal conditions.
The catalyst acted efficiently and gave the products in high yields under green and sustainable conditions.
Keywords: Magnetic nanoparticle, Chromen, Green synthesis, Piperidinium benzene-1, 3-disulfonate, Silica-coated Fe3O4
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