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Highly effective one-pot synthesis of benzo[b][1,5]diazepines has been achieved by three-component (or, in situ, including catalyst and solvent, five-component) reaction of aromatic diamines, Meldrum’s acid, and isocyanides catalyzed by magnetite (Fe3O4) nanoparticles. Pharmaceutically and biologically active heterocyclic compounds including benzodiazepine derivatives were efficiently synthesized in excellent yields and short reaction times at room temperature. The significant features of the Fe3O4 nanoparticles are: easy preparation, cost-effectiveness, high stability, easy separation, low loading, and reusability of the catalyst. The heterogeneous nanoparticles were fully characterized by XRD, EDX, BET, SEM, TEM, and FT-IR analysis.
Research on Chemical Intermediates – Springer Journals
Published: Jan 11, 2015
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