期刊
PHARMACEUTICALS
卷 16, 期 11, 页码 -出版社
MDPI
DOI: 10.3390/ph16111621
关键词
antibacterial agents; drug discovery; quinone antibiotics; structure-activity relationships; 3D-QSAR; CoMFA; CoMSIA; MRSA; methicillin-resistant Staphylococcus aureus; antimicrobial resistance
Antimicrobial resistance is a significant threat to global health according to the WHO. Our research group has developed a new family of antibacterial compounds that show activity against multidrug-resistant Staphylococcus aureus. The study explains the antibacterial activity of these compounds based on their molecular properties.
According to the WHO, antimicrobial resistance is among the top 10 threats to global health. Due to increased resistance rates, an increase in the mortality and morbidity of patients has been observed, with projections of more than 10 million deaths associated with infections caused by antibacterial resistant microorganisms. Our research group has developed a new family of pyrimido-isoquinolin-quinones showing antibacterial activities against multidrug-resistant Staphylococcus aureus. We have developed 3D-QSAR CoMFA and CoMSIA studies (r(2) = 0.938; 0.895), from which 13 new derivatives were designed and synthesized. The compounds were tested in antibacterial assays against methicillin-resistant Staphylococcus aureus and other bacterial pathogens. There were 12 synthesized compounds active against Gram-positive pathogens in concentrations ranging from 2 to 32 mu g/mL. The antibacterial activity of the derivatives is explained by the steric, electronic, and hydrogen-bond acceptor properties of the compounds.
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