Benzimidazole is a privileged drug design and discovery scaffold with various pharmacological activities, including antimicrobial, anticancer, antitubercular, anti-inflammatory, antidiabetic, antihypertensive, antimalarial, and many more. This scaffold can be observed in the structure of numerous FDA-approved drugs and employed in medicinal chemistry to develop novel bioactive compounds through rational drug design. Its broad pharmacological significance is due to physicochemical attributes, including H-bond donor-acceptor efficiency, π-π stacking interactions, and hydrophobic interactions; these characteristics enable benzimidazole derivatives to bind with macromolecules efficiently. This article emphasizes mechanisms, SAR, and docking studies to unveil benzimidazole's various active hybrids accountable for diversified activities. It will assist researchers in strategically designing various novel benzimidazole-endowed hybrids to develop clinically active therapeutic candidates.
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