Searching for new cytotoxic agents based on chromen-4-one and chromane-2,4-dione scaffolds

Alexandra Gaspar , Maryam Mohabbati, Fernando Cagide, Nima Razzaghi-Asl, Ramin Miri, Omidreza Firuzi , Fernanda Borges


Cancer is a major cause of death worldwide and novel anticancer agents for its better management are much needed. Benzopyrone-based compounds, such as chromones, possess several distinctive chemical and biological properties, of which the cytotoxicity against cancer cells seems to be prominent. In this study, two series of compounds based on chromen-4-one (3-10) and chromane-2,4-dione (11-18) scaffolds were synthesized in moderate/high yields and evaluated for cytotoxicity against HL-60, MOLT-4, and MCF-7 cancer cells using MTT assay. In general, the compounds exhibited moderate cytotoxic effects against the cancer cell lines, among which, a superior potency could be observed against MOLT-4 cells. Chroman-2,4-dione (11-18) derivatives had overall higher potencies compared to their chromen-4-one (3-10) counterparts. Compound 13 displayed the lowest IC50 values against HL-60 (IC50, 42.0 ± 2.7 µM) and MOLT-4 cell lines (IC50, 24.4 ± 2.6 µM), while derivative 11 showed the highest activity against MCF-7 cells (IC50, 68.4 ± 3.9 µM). In conclusion, this study provides important information on the cytotoxic effects of chromone derivatives. Benzochroman-2,4-dione has been identified as a promising scaffold, which its potency can be modulated by tailored synthesis with the aim of finding novel and dissimilar anticancer compounds.



Antineoplastic agents; Cancer; Chromones; Drug screening.

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