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Updated: Jan 17, 2026

Functionalized Spirocyclic Heterocycle Synthesis and Cytotoxicity Assay
Published on: February 9, 2021
Design and Synthesis of New Benzimidazole-Biphenyl Scaffolds as Anti-Inflammatory, Antioxidant Agents and
Praveen Kumar Gadeela1, Jyothi K2, Lakshmi Narayana Sharma Konidena3
1Department of Chemistry, Chaitanya Deemed to Be University, Hyderabad, Telangana, India.
Abstract:
A library of benzimidazole-biphenyl derivatives was synthesized via a series of condensation cyclization and Suzuki-Miyaura cross-coupling reactions. The new scaffolds were evaluated for their in vitro antioxidant and anti-inflammatory properties. The compound 7h presented potent antioxidant activity with a higher percentage of inhibition of 80.31% with an IC50 value of 2.43 ± 0.4 µM, respectively. Compound 7c displayed promising antioxidant activity with a percentage of inhibition of 76.20% with IC50 value of 2.90 ± 0.7 µM. Compounds 7e and 7f demonstrated the percentage of inhibition of 72%-74% with respect to antioxidant activity. Compound 7o demonstrated potent anti-inflammatory activity with a percentage of inhibition of about 89% with an IC50 value of 16.55 ± 0.23 µM. Compound 7i displayed promising anti-inflammatory activity with a percentage inhibition of 87% with an IC50 value of 16.87 ± 0.80 µM. Performed a molecular docking study of compound 7o against cyclooxygenase-2 (COX-2), scored a binding energy value of -9.8 kcal/mol and displayed essential H-bond and hydrophobic interactions. Prediction of pharmacokinetics revealed their encouraging drug-likeness properties.
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