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Synthesis, biological evaluation, and molecular docking studies of substituted chromone-2-carboxamide derivatives as anti-breast cancer agents Cover

Synthesis, biological evaluation, and molecular docking studies of substituted chromone-2-carboxamide derivatives as anti-breast cancer agents

Open Access
|Sep 2025

Abstract

Breast cancer is the second leading cause of mortality among women, accounting for 12.5% of all new cancer cases worldwide. By 2030, the estimated number of deaths will escalate to 11.4 million. The research objective is to design and synthesize safe and effective anti-breast cancer agents. A series of substituted chromone-2-carboxamide derivatives (5a–n) were synthesized in moderate to high yields. These compounds’ (5a–n) antiproliferative activity was evaluated against human ER(+) MCF-7 (breast), ER(−) MDA-MB-231 (breast), and Ishikawa (endometrial) cancer cell lines using CellTiter-Glo assay at concentrations ranging from 0.01 to 100,000 nM. Seven compounds showed significant cytotoxicity against at least one cancer cell line with an IC50 value of 25.7–87.8 µM. Compound 5g showed high activity on MCF-7 (IC50 = 25.7 µM), MDA-MB-231 (IC50 = 48.3 µM), and Ishikawa (IC50 = 25.7 µM) cell lines. The newly synthesized molecules were docked in the active sites of the human estrogen receptors (ERs), ER-α (7KBS), and ER-β (2FSZ) crystal structures to determine the locations of the active compounds’ probable binding sites (bioactive conformations).

Language: English
Submitted on: Aug 28, 2024
Accepted on: May 21, 2025
Published on: Sep 11, 2025
Published by: Sciendo
In partnership with: Paradigm Publishing Services

© 2025 Madhavi Gangapuram, Mohammad A. Ghaffari, Suresh Eyunni, Bereket Mochona, Kinfe Ken Redda, published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 License.