Chitosan synergistically enhanced by successive Fe3O4 and silver nanoparticles as a novel green catalyst in one-pot, three-component synthesis of tetrahydrobenzo[α]xanthene-11-ones

Article abstract of DOI:10.1016/j.molcata.2014.06.005

Chitosan (CS) is modified with Fe₃O₄ nanoparticles composite through in situ co-precipitation of Fe³⁺ and Fe ²⁺ ions via NH₄OH in an aqueous solution, resulting in magnetic Fe₃O₄