Application of rifamycin-quinolizidone conjugate molecule and pharmaceutically acceptable salt thereof

Abstract

The present invention provides an application of a rifamycin-quinolizidone conjugate molecule shown in formula I and pharmaceutically acceptable salt thereof in preparation of a drug for treating or preventing infections caused by methicillin-resistant, quinolone-resistant, and methicillin and quinolone multidrug resistant Staphylococcus aureus. The rifamycin-quinolizidone conjugate molecule and pharmaceutically acceptable salt thereof provided by the present invention can effectively treat or prevent bacterial infections and diseases caused by methicillin-resistant, quinolone-resistant, and methicillin and quinolone multidrug resistant Staphylococcus aureus, and can reduce spontaneous resistance frequency as compared with a drug combination of rifamycin and quinolones.

Dependencies are inferred from the claim text.