Ag(2)CO(3) containing magnetic nanocomposite as a powerful and recoverable catalyst for Knoevenagel condensation

Sci Rep. 2021 Sep 21;11(1):18736. doi: 10.1038/s41598-021-98287-z.


In this paper, the synthesis, characterization and catalytic application of a novel magnetic silica-supported Ag2CO3 (MS/Ag2CO3) with core-shell structure are developed. The MS/Ag2CO3 nanocomposite was prepared through chemical modification of magnetic MS nanoparticles with AgNO3 under alkaline conditions. The structure, chemical composition and magnetic properties of MS/Ag2CO3 were investigated by using VSM, PXRD, FT-IR, EDX and SEM techniques. The MS/Ag2CO3 nanocomposite was used as an effective catalyst for the Knoevenagel condensation under solvent-free conditions at 60 °C in an ultrasonic bath. The recovery and leaching tests were performed to study the nature of the MS/Ag2CO3 catalyst under applied conditions.

PMID:34548589 | PMC:PMC8455631 | DOI:10.1038/s41598-021-98287-z


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