Novel Approach to Benzimidazoles Using Fe3O4 Nanoparticles as a Magnetically Recoverable Catalyst
作者： Bahador KARAMI , Shaghayegh NIKOSERESHT , Saeed KHODABAKHSHI
DOI: 10.1016/S1872-2067(11)60329-X
关键词:
摘要: Magnetically recoverable Fe3O4 nanoparticles have been synthesized as a catalyst for the cyclocondensation of 1,2-phenylenediamines with orthoesters under solvent-free conditions. Catalyst loadings can be low 1 mol% to give high yields corresponding benzimidazole derivative at 80 °C. This green method offers significant advantages in terms its simplicity, loadings, product yields, and non-toxic nature. The were characterized by X-ray diffraction, transmission electron microscopy, Fourier transform infrared spectroscopy.
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