Abstract
AbstractConsidering the immense significance of molecular hybridization in development of efficacious antiproliferative agents, the present research work demonstrates the expeditious synthesis of twelve electronically different and novel 2,4‐bis(2‐(E)‐arylidenehydrazinyl)quinazolines 4 a–4 l. Their exact molecular structures have been established by careful analysis of spectroscopic (IR, 1H & 13C‐NMR) and HRMS data. Observed results from the MTT assay indicated that all synthesized derivatives 4 a–4 l displayed substantial growth arrest for breast (MCF‐7) cancer cell line. Specifically, 2,4‐bis(2‐(E)‐4‐methoxy benzylidenehydrazinyl)quinazoline (4 a) and 2,4‐bis(2‐(E)‐4‐bromobenzylidenehydrazinyl) quinazoline (4 b) displayed lowest GI50=139.34±7.44 μM and 145.34±2.11 μM respectively, against breast (MCF‐7) cancer cell line. Additionally, molecular docking studies have been performed to investigate the type of favourable interactions of quinazoline bis‐hydrazones with active sites of protein (PDB ID : 4ASD). Computational studies show that derivative 4 a displayed high binding affinity into the ATP binding sites of 4ASD, which support in vitro results obtained in the present study.
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