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Aluminium chloride catalyzed one-pot synthesis of 2-aryl substituted benzimidazoles and their antibacterial activity

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Author Details : K. Srikanth Kumar, A. Lakshmana Rao, A. Prameela Rani, G.N.V. Mounika, J. Sri Ramya

Volume : 4, Issue : , Year : 2017

Article Page : 198-202

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Abstract

2-aryl substituted benzimidazole derivatives were synthesized by using various aromatic aldehydes contains electron releasing as well as electron withdrawing groups, o-phenylenediamine and aluminium chloride as a catalyst via one-pot reaction by use of water as ecological solvent. This route provides an ecological, uncomplicated develops and give compounds in high yield. The synthesized 2-aryl substituted benzimidazole derivatives were characterized by physical (molecular weight, molecular formula, melting point, recrystallization, R_f value) and spectral data (IR and ⁽¹⁾H-NMR). All the synthesized compounds were evaluated for their in-vitro antibacterial activity against few gram-positive and few gram-negative microorganisms.

Keywords: o-Phenylenediamine, Aluminium chloride, Aromatic aldehydes, 2-Aryl substituted benzimidazole derivatives, Antibacterial activity

How to cite : Kumar K S, Rao A L, Rani A P, Mounika G, Ramya J S, Aluminium chloride catalyzed one-pot synthesis of 2-aryl substituted benzimidazoles and their antibacterial activity. Indian J Pharm Pharmacol 2017;4():198-202

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