Preparation and characterization of theh-BN/Fe₃O₄/APTES-AMF/Cu^IInanocomposite as a new and efficient catalyst for the one-pot three-component synthesis of 2-amino-4-aryl(or heteroaryl)-7,7-dimethyl-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitriles

Abstract

The intriguing features of surface-engineered hexagonal two-dimensional boron nitride (h-BN) nanostructures have captivated the immense interest of the researchers working in the arena of materials science. Inspired by striking attributes...

Immobilized Ni on TMEDA@βSiO2@αSiO2@Fe3O4: as a novel magnetic nanocatalyst for preparation of pyrido[2,3-d:6,5-d′]dipyrimidines

“…1–5 In particular, Fe 3 O 4 nanoparticles have garnered a lot of interest in organic synthesis and other fields of science due to their unique properties. 6–8 Perhaps the best feature of magnetic nanoparticles, which increases the versatility of work up steps, is their simple segregation from reaction mixtures via an external magnet. 6–8 In this same regard, different forms of mesoporous silica have attracted attention by reason of their unique properties in the fields of catalysis.…”

“…6–8 Perhaps the best feature of magnetic nanoparticles, which increases the versatility of work up steps, is their simple segregation from reaction mixtures via an external magnet. 6–8 In this same regard, different forms of mesoporous silica have attracted attention by reason of their unique properties in the fields of catalysis. 2,3 Among these properties, we can mention their uniform and large pore size for stabilizing metals and organic ligands, their ability to be used in harsh reaction conditions due to thermal stability above 900 °C, as well as high loading capacity to immobilize catalysts due to their high surface area (>1200 m 2 g −1 ).…”