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Research Paper

2-Thiopyrimidine/chalcone hybrids: design, synthesis, ADMET prediction, and anticancer evaluation as STAT3/STAT5a inhibitors

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Pages 864-879 | Received 11 Jan 2020, Accepted 02 Mar 2020, Published online: 25 Mar 2020
 

Abstract

A novel 2-thiopyrimidine/chalcone hybrid was designed, synthesised, and evaluated for their cytotoxic activities against three different cell lines, K-562, MCF-7, and HT-29. The most active cytotoxic derivatives were 9d, 9f, 9n, and 9p (IC50=0.77–1.74 µM, against K-562 cell line), 9a and 9r (IC50=1.37–3.56 µM against MCF-7 cell line), and 9a, 9l, and 9n (IC50=2.10 and 2.37 µM against HT-29 cell line). Compounds 9a, 9d, 9f, 9n, and 9r were further evaluated for their cytotoxicity against normal fibroblast cell line WI38. Moreover, STAT3 and STAT5a inhibitory activities were determined for the most active derivatives 9a, 9d, 9f, 9n, and 9r. Dual inhibitory activity was observed in compound 9n (IC50=113.31 and 50.75 µM, against STAT3 and STAT5a, respectively). Prediction of physicochemical properties, drug likeness score, pharmacokinetic and toxic properties was detected.

Graphical Abstract

Acknowledgements

The authors thank Dr. Essam Rashwan, head of the confirmatory diagnostic unit VACSERA-Egypt for evaluation of anticancer activity and enzyme assays.

Disclosure statement

The authors declare that there is no any conflict of interest.