The synthesis of aminonaphtols and β-amino carbonyls in the presence of a magnetic recyclable Fe3O4@MCM-48–NaHSO4 nano catalyst?
RSC Advances Pub Date: 2014-02-20 DOI: 10.1039/C3RA47768A
Abstract
In this study, a magnetic recyclable Fe3O4@MCM-48–NaHSO4 nano catalyst was used for the synthesis of aminonaphtols with heteroaromatic amines and β-amino carbonyls during the Mannich reaction. For this purpose, magnetite nanoparticles (MNPs) and MCM-48 mesoporous-coated MNPs with a particle size lower than 11 nm were synthesized via chemical precipitation methods. Then NaHSO4 was adsorbed on the surface of mesoporous MNPs. The prepared inorganic magnetic catalyst was characterized by FT-IR, XRD, UV-DRS, TEM, VSM and titration. Finally, the applicability of the synthesized solid acid catalyst for the catalysis of Mannich reactions was investigated.
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Journal Name：RSC Advances
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CAS no.: 89640-58-4
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