Piperidine and piperazine immobilized on silica-coated c-Fe2O3 magnetic nanoparticles were synthesized
as new supported bases via the reaction of chloro-functionalized c-Fe2O3@SiO2 with piperidine and piperazine,
respectively. The resulting bases were employed as magnetically recyclable heterogeneous catalysts for the efficient
one-pot three-component synthesis of b-phosphonomalonates. The catalysts were easily separated from the reaction
mixture by using a magnet and recycled for five times
without significant loss of the catalytic activity.
کلید واژگان :
Magnetic nanoparticles Piperidine Piperazine Heterogeneous catalyst b-Phosphonomalonates
