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Background The most well-known cause of cancer deaths identified in female is breast cancer. Several drugs approved by the food and drug administration (FDA) for the treatment of breast cancer may have adverse health effects. This research is aimed at developing a QSAR model and utilize it to predict the inhibitive activities of newly designed novel compounds, examine their ADMET and drug-likeness properties and carry out molecular docking studies between the designed compounds and the VEGFR-2 receptors in order to identify the essential amino acid residues involved in protein–ligand interactions and possible mechanism of action of the designed compounds. Results The first model was selected as the best because of its fitness statistically with the following assessment parameters:  R  2  train  = 0.832,  R  2  adj  = 0.79,  R  2  ext  = 0.62,  Q  2  = 0.68, and LOF = 0.14509. Compound 11 was selected as a template to design new powerful compounds based on its low residual and high pIC 50  values. Majority of the designed compounds has predicted pIC 50  greater than that of the lead compound and the standard drug (Sunitinib) used as reference. Molecular docking studies results of the designed compounds revealed that they have higher docking scores than the template and the reference drug (Sunitinib) and are found to bind to the VEGFR-2 receptor in a similar manner to the reference drug. Pharmacokinetics and ADMET properties revealed that the designed compounds passed drug-likeness criteria because they did not violate more than 1 Lipinski’s rule of Five, They are uniformly distributed to the brain and are assumed to penetrate the central nervous system and finally they are all found to non-toxic and orally bioavailable. Conclusion The developed model was therefore found to be efficient in predicting the pIC 50  of Anti breast cancer compounds that are yet to be synthesized and it also help in reducing the cost and synthetic duration the compounds. The result of this research confirmed that the designed compounds may be developed as novel VEGFR-2 inhibitors.

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Chemo-informatics activity prediction, ligand based drug design, Molecular docking and pharmacokinetics studies of some series of 4, 6-diaryl-2-pyrimidinamine derivatives as anti-cancer agents