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A series of novel benzo[d]imidazolyl tetrahydropyridine carboxylates 7a–n have been synthesized by one-pot multi-component reaction of (E)-5-(benzylidene amino)-1H-benzo[d]imidazole-2-thiol 3, 5-amino-2-mercapto-benzimidazole 4, aromatic aldehyde 5, and ethyl acetoacetate 6 in acetonitrile using ceric ammonium nitrate (CAN) as Lewis acid catalyst, and evaluated for their anti-inflammatory, antioxidant, antibacterial and antifungal activities. All tested compounds showed appreciable activity against the standard drugs.