A novel magnetic FSM-16 supported ionic liquid/Pd complex as a high performance and recyclable catalyst for the synthesis of pyrano[3,2- c ]chromenes.

Autor: Jahanbakhshi A; Department of Chemistry, Yasouj University Yasouj Iran 75918-74831 farahimb@yu.ac.ir +98 7412242167e., Farahi M; Department of Chemistry, Yasouj University Yasouj Iran 75918-74831 farahimb@yu.ac.ir +98 7412242167e.
Jazyk: angličtina
Zdroj: RSC advances [RSC Adv] 2024 May 22; Vol. 14 (23), pp. 16401-16410. Date of Electronic Publication: 2024 May 22 (Print Publication: 2024).
DOI: 10.1039/d4ra01381f
Abstrakt: In this work, Fe 3 O 4 @FSM-16/IL-Pd was successfully designed and synthesized via a new procedure of palladium(ii) complex immobilization onto magnetic FSM-16 using an ionic liquid, as a novel heterogeneous nanocatalyst. Multiple techniques were employed to characterize this magnetic nanocatalyst such as Fourier transform infrared spectroscopy (FT-IR), Brunauer-Emmett-Teller (BET), X-ray diffraction (XRD), energy-dispersive X-ray spectroscopy (EDS), Field Emission Scanning Electron Microscopy (FE-SEM), thermogravimetric analysis (TGA), Transmission electron microscopy (TEM), and Vibrating Sample Magnetometry (VSM). After complete characterization of the catalyst, its catalytic activity was used for the synthesis of pyrano[3,2- c ]chromene-3-carbonitriles via the reaction of 4-hydroxycoumarin, aldehyde, and malononitrile under solvent-free conditions. Also, it can be recovered and reused several times without a significant decrease in its catalytic activity or palladium leaching.
Competing Interests: There are no conflicts to declare.
(This journal is © The Royal Society of Chemistry.)
Databáze: MEDLINE
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