Magnetically recoverable nano Pd/Fe3O4/ZnO catalyst


Magnetically recoverable nano Pd/Fe3O4/ZnO catalyst: preparation, characterization, and application for the synthesis of 2-oxazolines and benzoxazoles

Mona Hosseini-Sarvari,* Ameneh Khanivar, Fatemeh Moeini

J Mater Sci (2015) 50:3065–3074

DOI: 10.1007/s10853-015-8866-7

A novel palladium-based catalysts supported on Fe3O4/ZnO nanoparticles have been prepared by a simple method. The catalyst was characterized by transmission electron microscopy, X-ray powder diffraction, X-ray photoelectron spectroscopy, atomic absorption spectrophotometry, FT-IR, and BET analysis. The catalyst afforded efficient synthesis of 2-oxazolines and benzoxazoles from aromatic nitriles under solvent-free conditions. The significant features of this method are short reaction times, good to high yields of the products, simple operation, solvent-free condition, non-toxicity, reusability of the catalyst without significant loss of catalytic activity, and using ultra small amount of Pd (0.004 g of catalyst contains 9.16 9 10-3 mmol Pd which was determined by ICP).


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