@article{Safari_Javadian_2024, title={Fe3O4-chitosan nanoparticles as a robust magnetic catalyst for efficient synthesis of 5-substituted hydantoins using zinc cyanide}, volume={6}, url={https://oiccpress.com/iranian-journal-of-catalysis/article/fe3o4-chitosan-nanoparticles-as-a-robust-magnetic-catalyst-for-efficient-synthesis-of-5-substituted-hydantoins-using-zinc-cyanide/}, abstractNote={In this paper, Fe3O4-chitosan nanoparticles were prepared by the immobilization of chitosan on the surface of Fe3O4 nanoparticles. Then, the 5-substituted hydantoins were synthesized from the condensation of aldehyde derivatives, ammonium carbonate and zinc cyanide as a well-known cyanating agent by the magnetic Fe3O4-chitosan nanoparticles under neat conditions. Fe3O4-Chitosan nanocatalyst as a renewable hybrid catalyst was easily recovered by an external magnet and reused for 4 times without obvious drop in its catalytic activity. The purpose of this research was to provide an easy method for the synthesis of 5-substituted hydantoins in high yields and short reaction times by a robust and magnetic recoverable catalyst.}, number={1}, journal={Iranian Journal of Catalysis}, publisher={OICC Press}, author={Safari, Javad and Javadian, Leila}, year={2024}, month={Feb.}, keywords={Magnetic catalyst, Fe3O4-Chitosan, Hydantoin, Zinc cyanide} }