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RISNanomagnetic organiceinorganic hybrid (Fe@Si-Gu-Prs): a novel magnetically green catalyst for the synthesis of tetrahydropyridine derivatives at room temperature under solvent-free conditions
سال: 2015
خلاصه:
A novel nanomagnetic organiceinorganic hybrid catalyst (Fe@Si-Gu-Prs) was prepared by the chemical
anchoring of Preyssler heteropolyacid (H14[NaP5W30O110]) onto the surface of modified Fe3O4 magnetic nanoparticles ...
Silica-coated magnetic NiFe2O4 nanoparticlessupported H3PW12O40; synthesis, preparation, and application as an efficient, magnetic, green catalyst for one-pot synthesis of tetrahydrobenzo[b]pyran and pyrano[2,3-c]pyrazole derivatives
سال: 2016
خلاصه:
A powerful, magnetic, supported, acid catalyst, NiFe2O4@SiO2–H3PW12O40, was prepared by chemical support of Keggin (H3PW12O40) heteropolyacid (HPA) on silica-coated NiFe2O4 magnetic nanoparticles. XRD, TEM, SEM, VSM, and ...
Cu(II) immobilized on Fe3O4@Agarose nanomagnetic catalyst functionalized with ethanolamine phosphate-salicylaldehyde Schiff base: A magnetically reusable nanocatalyst for preparation of 2-substituted imidazolines, oxazolines and thiazolines
سال: 2018
خلاصه:
Herein we synthesized Cu(II) immobilized on Fe3O4@Agarose functionalized with ethanolamine phosphate-salicylaldehyde Schiff base (Fe3O4@Agarose/SAEPH2/Cu(II)) as a new and cost-effective nanomagnetic catalyst. The nanomagnetic catalyst...