NiFe2O4@SiO2@PrNH2–DPA–CeCl3: a cerium-based magnetic nano dual-acid catalyst with high efficacy and recyclability for domino sequential synthesis of lactam ring-fused 1,5-benzodiazepines
Abstract:A cerium-based magnetic nano dual-acid catalyst (NiFe2O4@SiO2@PrNH2-DPA-CeCl3) was successfully designed and prepared. It was characterized and confirmed by distinct techniques such as FTIR, XRD, XPS, SEM, TEM, BET, EDS, ICP-AES,...
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