Core–shell magnetic mesoporous N-doped silica nanoparticles: solid base catalysts for the preparation of some arylpyrimido[4,5-<i>b</i>]quinoline diones under green conditions
Shekofeh Neamani, Leila Moradi, Mingxuan Sun
Abstract
XRD, FESEM, HRTEM, BET and XPS techniques, and the results of these analyses proved that the nitrogen was doped into the silica structure. Also, the results demonstrated the core-shell structure of the as-synthesized composite.
Topics & Concepts
CatalysisMesoporous materialMesoporous silicaQuinolineComposite numberMaterials scienceX-ray photoelectron spectroscopyNanoparticleChemical engineeringBase (topology)DiethanolamineHigh-resolution transmission electron microscopyNuclear chemistryChemistryNanotechnologyOrganic chemistryTransmission electron microscopyComposite materialMathematicsEngineeringMathematical analysisMulticomponent Synthesis of HeterocyclesNanomaterials for catalytic reactionsMicrowave-Assisted Synthesis and Applications