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Yolk-shell Structured Magnetic Mesoporous Organosilica Supported Ionic Liquid/Cu Complex: an Efficient Nanocatalyst for the Green Synthesis of Pyranopyrazoles

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Journal Front Chem
Specialty Chemistry
Date 2023 Sep 25
PMID 37744055
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Abstract

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.

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