Magnetic nanocatalysts: Synthesis and application in multicomponent reactions

Boehmite@tryptophan‐Pd nanoparticles: A new catalyst for C–C bond formation

“…In recent years, with the aim of combining the advantages of homogeneous and heterogeneous catalytic processes, nanoparticles have been employed due to their high surface area and facile recovery . Important nano‐heterogeneous supports such as metal oxides, carbon nanotubes, ionic liquids, molecular sieves (SBA‐15, MCM‐41 and MCM‐48), alumina, peptide nanofibers, silica nanoparticles, polymers, graphene oxide and heteropoly acids have been employed for the heterogenization of homogeneous catalysts .…”

Green synthesis of Au decorated CoFe2O4 nanoparticles for catalytic reduction of 4-nitrophenol and dimethylphenylsilane oxidation

“…3 Hybrid nanocomposite materials combine individual properties and synergistically enhance catalytic characteristics leading to multifunctional catalysts. 4 The use of metal/ metal oxide nanocomposites is promising since it can overcome the barriers to implementation of pure metal nanoparticle catalysts such as enhanced mechanical and chemical stability, increased catalytic activity due to support effects, and may diminish undesired catalyst inhibition. [5][6][7] In addition to catalytic properties, metallic nanoparticles such as gold (Au) can be excited under light irradiation of certain wavelengths due to localized surface plasmon resonance (LSPR).…”

Dual complex of amylose with iodine and magnetite nano‐crystallites: Enhanced superparamagnetic and catalytic performance for synthesis of spiro‐oxindoles

“…Ferromagnetic or ferrimagnetic iron oxides with particulate sizes in the range of a single magnetic domain (between 5 and 30 nm) exhibit superparamagnetic behavior at room temperature. For example, magnetite is ferrimagnetic at room temperature but its nanoparticles smaller than 6 nm are superparamagnetic, hence they have been widely used in fabrication of magnetic nano‐composites . Recently, we have shown that the water‐soluble ingredient of starch (WSS) can disassemble the paramagnetic nanoparticles of magnetite into their constituting superparamagnetic nano‐crystallites .…”