Abstract 2-Quinolones are an important class of compounds, isomeric to 4-quinolones. They may become promising candidates for exploiting more useful therapeutically active molecules. DNA-gyrase has drawn much attention as a selected target for finding potent anti- bacterial agents against multi-drug resistant strains such as methicillin-resistant Staphylococcus aureus, vancomycin-resistant enterococci, and penicillin-resistant ...