Synthesis, characterization, molecular docking studies and biological evaluation of some novel hybrids based on quinazolinone, benzofuran and imidazolium moieties as potential cytotoxic and antimicrobial agents

Document Type : Original Article

Authors

1 Department of Medicinal Chemistry, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran

2 Department of Pharmaceutical Biotechnology, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran

Abstract

Objective(s): Hybridization of bioactive natural and synthetic compounds is one of the most promising novel approaches for the design of hit and lead compounds with new molecular structures. In this investigation, a series of novel hybrid structures bearing quinazolinone, benzofuran and imidazolium moieties were designed and synthesized.
Materials and Methods:Novel hybrid compounds were prepared and their structures were characterized by spectral and analytical data. In order to evaluate the biological activities, the synthesized hybrid compounds were studied for in vitro antibacterial activity against three Gram positive bacteria (Staphylococcus aureu, Bacillus subtilis, Listeria monocitogenes) and three Gram-negative bacteria (Escherichia coli, Pseudomonas aeruginosa, Salmonella entritidis) and also, Candida albicans as one yeast-like fungi strain. Cytotoxic activities of the synthesized compounds were also evaluated by the MTT assay in the human breast cancer cell line (MCF-7) and finally docking studies of cytotoxic derivatives were performed on aromatase enzyme.
Results:The results of antimicrobial activity showed that compound 14e, with two halogen atoms on quinazolinone and benzofuran was the most active against all the tested strains of microorganisms with the MIC value 16-128 µg/ml. Some of the tested compounds showed good cytotoxicity on MCF-7, and compound 14c with IC50=0.59 micromolar (μM) was found to be the most cytotoxic compound among the studied hybrid derivatives. The docking analysis showed acceptable binding interactions for these compounds.
Conclusion: Based on the obtained results, the hybrid derivatives of quinazolinone, benzofuran and imidazolium could be regarded as efficient candidates for further molecular developments of anticancer and antimicrobial agents.

Keywords

References

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Iranian Journal of Basic Medical Sciences
Volume 20, Issue 9
September 2017
Pages 975-989

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