Pd nanoparticles are stabilized onto the surface of Fe3O4-entrapped poly(aminoethyl acrylamide) via functionalization of polymer with a new class of NNN-pincer ligand providing a high loading and stable catalyst for aerobic oxidation of alcohols to aldehydes. Varieties of alcohols are oxidized to the corresponding aldehydes with good selectivity using 0.95 mol% Pd catalyst. The catalyst is reusable (5 runs) without loss of activity and leaching or agglomeration of Pd nanoparticles while structural regularity of the catalyst is preserved. Oxidation of benzyl alcohol is also scaled up to a few grams.