Abstract
AbstractColon cancer remains a significant health concern, necessitating the synthesis of novel therapeutic agents. Benzimidazole derivatives have shown promising anticancer potential. In this study, two benzimidazole derivatives were synthesized, and their antiproliferative activities were investigated in vitro against the human colon colorectal cancer cell line and the human normal lung fibroblast cell line. The cell viability revealed that molecule 3 had high antiproliferative activity and inhibited the growth of DLD‐1 cells for 48 h. Furthermore, molecule 3 was found to have more selectivity against the human normal cell line. Computational calculations were performed to predict the molecular properties of molecules using the B3LYP/6‐311++(2d,2p) density functional theory level. The quantum theory of atoms in molecules (QTAIM) and energy decomposition analysis (EDA) were utilized to investigate the nature of the interatomic bonding existing among the studied molecules. The ultraviolet‐visible (UV–vis) results for molecules were calculated using time‐dependent density‐functional theory (TD‐DFT). The chemical reactivity and molecular stability were also investigated by DFT computational analysis. The molecular docking and dynamics simulations were conducted, and their results reveal their concordance with the experimental results. Molecule 3 has better anti‐cancer activity against colon cancer targets (PDB ID: 2HQ6) compared to molecule 2.
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