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ORIGINAL ARTICLE
Year : 2019  |  Volume : 8  |  Issue : 2  |  Page : 262-269

Synthesis of 4-phenyl-4,5-dihydropyranopyrazolone derivatives with activated potassium carbonate: Evaluation of anticancer activity on cancer cell lines and apoptosis mechanism


1 Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
2 Student Research Committee, Kermanshah University of Medical Sciences, Kermanshah, Iran

Correspondence Address:
Dr. Hadi Adibi
Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah.
Iran
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jrptps.JRPTPS_82_19

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A green and efficient one-pot, four-component synthesis of 4-phenyl-4,5-dihydropyranopyrazolone derivatives 5a–5l is described in ethanol-water with activated potassium carbonate and evaluation of anticancer activity on cancer cell lines and apoptosis mechanism is also investigated. This method provides several advantages such as environmental friendliness, shorter reaction time, excellent yields, and simple workup procedure. The in vitro cytotoxic activity of the synthesized compounds was investigated against cancer cell lines (PC-3, MCF-7, and A-2780) in comparison with doxorubicin, a well-known anticancer drug, using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-tetrazolium bromide colorimetric assay. Also apoptosis studies were investigated by caspase-3 and caspase-9 enzymes and mitochondrial membrane potential. Our compounds showed acceptable and moderate cytotoxicity compared with doxorubicin in the studied cell lines. The compounds 5g in PC3 cell line (half maximal inhibitory concentration (IC50= 104 µM)), 5g and 5i in MCF7 cell line (IC50 = 23 and 87 µM, respectively), and 5g–5i in A2780 cell line (IC50 = 60, 50, and 31 µM, respectively) showed the best results close to the control drug doxorubicin. The compound 5h showed significant result in the activation of caspase-3 and caspase-9 enzymes in comparison with the control. Only the 5g in MCF7 cells and the 5g–5i derivatives in A2780 cells caused increased mitochondrial membrane potential compared to the control group.


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