Abstract
Aim: A series of pyridopyrimidine derivatives 5-20 was designed, synthesized and examined for antitumor activity using four types of malignant cells.Materials & methods: Cervical cancer (HeLa), hepatic cancer (HepG-2), breast cancer (MCF-7) and colon cancer (HCT-166) cells, as well as normal human lung fibroblast cells (WI-38) were used to determine the cytotoxicity.Results: Pyrazol-1-yl pyridopyrimidine derivative 5 was found to be the most active compound against three malignant cells Hela, MCF-7 and HepG-2 with IC50 values of 9.27, 7.69 and 5.91μM, respectively, related to standard Doxorubicin. Moreover, compounds 5 and 10 showed good inhibition against cyclin dependent kinase (CDK4/cyclin D1) and epidermal growth factor (EGFR) enzymes.
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