Synthesis of a series of novel substituted benzimidazole derivatives by the condensation of ophenylenediamine (OPDA, 1) with 4-bromobenzoic acid (2) and subsequent reactions of the benzimidazole with different electrophilic reagents is reported. The latter compounds were reacted with styrene and tert-butyl acrylate following Heck Coupling. All the compounds synthesized were screened for their potential anti-bacterial, anti-asthmatic and anti-diabetic properties, which exibibited some promising results towards testing organism in vivo.
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