@article{Aliyan_Fazaeli_Tajsaeed_2024, title={-Fe2O3@SiO2-PW12 nanoparticles: Highly efficient catalysts for the synthesis of pyrazoline derivatives}, volume={3}, url={https://oiccpress.com/iranian-journal-of-catalysis/article/%ef%81%a7-fe2o3sio2-pw12-nanoparticles-highly-efficient-catalysts-for-the-synthesis-of-pyrazoline-derivatives-2/}, abstractNote={A new type of magnetically-recoverable catalyst was synthesized by the immobilization of H3PW12O40 on the surface of silica-encapsulated -Fe2O3 nanoparticles. A series of novel 1,3,5-triaryl pyrazoline derivatives has been synthesized by the reaction of chalcone and phenylhydrazine in the presence of the -Fe2O3@SiO2-PW12nanoparticles,  in high yields. The structures of compounds obtained were determined by IR and 1H NMR spectra. -Fe2O3@SiO2-PW12was recycled and no appreciable change in activity was noticed after three cycles. }, number={2}, journal={Iranian Journal of Catalysis}, publisher={OICC Press}, author={Aliyan, Hamid and Fazaeli, Razieh and Tajsaeed, Nafiseh}, year={2024}, month={Feb.}, keywords={-Fe2O3 nanoparticles, Heterogeneous catalysis, Pyrazoline, Phenyl hydrazine, Chalcone., Silica-encapsulated} }