Synthesis and anticancer activity of chalcone analogues with sulfonyl groups
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Three series of sulfonyl esters were synthesized in reactions of sulfonyl chlorides with three different phenolic chalcone analogues (dehydrozingerone (4-(4-hydroxy-3-methoxyphenyl)-3-buten-2-one), (E)-1-(4-hydroxy-3-methoxyphenyl)pent-1-en-3-one, and (E)-1-(4-hydroxy-3-methoxyphenyl)-5-methylhex-1-en-3-one). The structures of the new compounds were determined by IR, MS, and NMR methods. Screening of the new sulfonyl esters’ in vitro cytotoxic activities against human epithelial cervical carcinoma (HeLa) and normal human fibroblast (MRC-5) cell lines by the MTT method was performed. The five most active were selected and further tested on HeLa, MRC-5, and MCF-7 (breast carcinoma) cell lines. The examined compounds exhibit strong in vitro anticancer activities with moderate-to-high selectivity, inducing apoptotic cell death and cell cycle arrest in both HeLa and MCF-7 cell lines, but have little to no effect on the non-cancerous MRC-5 cell line.
KeywordsApoptosis Chalcones Cell death Cytotoxicity Sulfonyl ester
The authors are grateful to the Ministry of Education, Science and Technological Development of the Republic of Serbia (Grant 172034) for financial support.
Compliance with ethical standards
Conflict of interest
The authors declare that they have no conflict of interest.
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