Journal
RSC ADVANCES
Volume 10, Issue 49, Pages 29475-29492Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0ra05943a
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\Herein, we report an eco-friendly synthesis of a new series of quinazolinone-based derivatives as potential PARP-1 inhibitors. The 4-quinazolinone scaffold was utilized as a bioisostere to the phthalazinone core of the reference compound Olaparib. Most of the synthesized compounds displayed appreciable inhibitory activity against PARP1. Compound 12c showed inhibitory activity at IC50 = 30.38 nM comparable to Olaparib, which has IC50 = 27.89 nM. Cell cycle analysis was performed for compounds 12a and 12c, and both exhibited cell growth arrest at G2/M phase in the MCF-7 cell line. In addition, both compounds increased the programmed apoptosis compared to the control. Furthermore, molecular docking of the final compounds into the PARP-1 active site was executed to explore their probable binding modes. Also, a computational QSAR and in silico ADMET study was performed. The results of this study revealed that some of the newly synthesized compounds could serve as a new framework to discover new PARP-1 inhibitors with anti-cancer activity.
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