Green and Environmentally Sustainable Fabrication of CuFe2O4/CuO-rGO@EosinY as Photocatalyst for the Synthesis of Xanthene Derivatives

Document Type : Original Article


Department of Chemistry, Semnan University, Semnan, Iran


One of the biggest challenges to the expansion of photochemical processes has been the creation of effective visible light photocatalysts for organic synthesis. Heterogeneous photocatalysts present a favorable procedure to realize green and eco-friendly organic reactions. we fabricated the heterogenous catalyst CuFe2O4/CuO-rGO@EosinY (EY) by immobilizing eosin on the substrate CuFe2O4/CuO-rGO. The substrate of eosin was fabricated from the calcination of basil seed hydrogel (BSH) impregnated with copper and iron. The prepared heterogeneous catalyst as photocatalyst was applied in a green one-pot multi-component protocol for the production of biologically important xanthene derivatives via condensation of aromatic aldehydes and dimedone under the condition of visible light irradiation. The synthesized photocatalyst was characterized using various techniques such as FT-IR, XRD, and TGA. The significant advantages of the present methodology include remarkable yield, cost-effectiveness, easy work-up, broad substrate scope, and significant reusability. The prepared catalyst was used four times without a significant decrease in reaction efficiency.


Main Subjects

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