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Combustion Synthesized Cobalt Ferrite Nanoparticles as Magnetically Recyclable Catalyst for Synthesis of Benzimidazole Derivatives

[ Vol. 8 , Issue. 2 ]

Author(s):

Jyotsna Thakur*, Vishvanath Patil, Pratap Chorghe and Ketan Patil   Pages 281 - 288 ( 8 )

Abstract:


Introduction: The preparation and exploration of catalytic activity of nanoparticles in organic transformations have become a genuine need of clean and sustainable chemistry if they are non-toxic, readily available, and recyclable.

Experimental: Nanoparticles show the unusual or enhanced properties due to their nanosize and high surface to volume ratio. In this paper, Nanocrystalline CoFe2O4, a wellknown magnetic compound was prepared by glycine-nitrate combustion route. X-ray Diffraction (XRD) and Transmission Electron Microscope (TEM) confirmed the formation of single-phasic cobalt ferrite nanoparticles.

Result: The crystallite size was found to be 46 nm. BET study showed the surface area 24.2 m2/g. The catalytic behavior of as-prepared nanoparticles was studied in the synthesis of benzimidazole derivatives. Various benzimidazole derivatives have been prepared in moderate to good yield in facile one-pot synthesis under mild conditions using magnetically retrievable CoFe2O4.

Conclusion: The catalyst is found to be green, efficient and economically viable.

Keywords:

Cobalt ferrite nanoparticles, combustion synthesis, heterogeneous catalyst, magnetically recyclable, benzimidazole.

Affiliation:

Department of Chemistry, C.K. Thakur A.C.S. College, New Panvel (w), Raigad, Maharashtra 410206, Department of Chemistry, C.K. Thakur A.C.S. College, New Panvel (w), Raigad, Maharashtra 410206, Department of Chemistry, C.K. Thakur A.C.S. College, New Panvel (w), Raigad, Maharashtra 410206, Department of Chemistry, C.K. Thakur A.C.S. College, New Panvel (w), Raigad, Maharashtra 410206

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