1,4-Dihydroxyanthraquinone–copper(ii) supported on superparamagnetic Fe3O4@SiO2: an efficient catalyst for N-arylation of nitrogen heterocycles and alkylamines with aryl halides and click synthesis of 1-aryl-1,2,3-triazole derivatives

1,4-Dihydroxyanthraquinone–copper(ii) supported on superparamagnetic Fe₃O₄@SiO₂ catalyst was employed for the N-arylation of nitrogen heterocycles and alkylamines.