Some substituted benzimidazole derivatives were synthesized by condensation of o-phenylenediamine with aromatic acids in presence of water. A total of six compounds have been synthesized and the chemical structures were identified by spectral analysis. The synthesized compounds were screened for their in-vitro antibacterial activity against standard strains by cup plate method and also for anthelmintic activity and all the compounds showed good activities when compared with the standard except compound 4 of the series of compounds.
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