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Rapid One Pot Synthesis of Benzoimidazoles Using MnO2 Nanoparticles Supported on Silica as Efficient Oxidant Agent under Solvent-Free Conditions

[ Vol. 12 , Issue. 5 ]


Hossein Naeimi and Zahra Babaei   Pages 311 - 318 ( 8 )


A novel one-pot and mild synthesis of benzoimidazole derivatives through the reaction of o-Phenylenediamine with aromatic aldehydes in the presence of MnO2 nanoparticles supported on silica as oxidizing agent under grinding conditions. The significant features of the present protocol are; simplicity of procedure, high products yields, purity of products, solvent-free condition, and easily work-up procedure.


Benzoimidazoles, aromatic aldehydes, MnO2 nanoparticles, o-phenylenediamine, synthesis, solvent-free.


Department of Organic Chemistry, Faculty of Chemistry, University of Kashan, Kashan, 87317, Iran.

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