Yolk-shell Structured Magnetic Mesoporous Organosilica Supported Ionic Liquid/Cu Complex: an Efficient Nanocatalyst for the Green Synthesis of Pyranopyrazoles
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The preparation of yolk-shell structured magnetic mesoporous composites is a significant subject between researchers. Especially, modification of theses composites with ionic liquid/metal complex is very important for catalytic processes. In the present study, a novel magnetic methylene-based periodic mesoporous organosilica (PMO)-supported ionic liquid/Cu complex with yolk-shell structure (YS-FeO@PMO/IL-Cu) was prepared the soft template-assisted method. The TGA, FT-IR, SEM, EDX, XRD, VSM, nitrogen-sorption, and ICP techniques were employed to identify YS-FeO@PMO/IL-Cu. The YS-FeO@PMO/IL-Cu material was applied as a powerful nanocatalyst for the synthesis of pyranopyrazoles under ultrasonic media. The study demonstrated that the YS-FeO@PMO/IL-Cu nanocatalyst is highly recyclable, selective, and effective. The leaching test was performed to investigate the nature of the designed catalyst under the applied conditions.
Norouzi M, Elhamifar D, Kargar S Sci Rep. 2024; 14(1):16262.
PMID: 39009610 PMC: 11251011. DOI: 10.1038/s41598-024-66883-4.
Neysi M, Elhamifar D Front Chem. 2024; 12:1336855.
PMID: 38380398 PMC: 10877015. DOI: 10.3389/fchem.2024.1336855.