| 摘要 |
The invention is drawn to novel antibiotics, XENORXIDES of formula shown below, wherein R1, R2=hydrogen, substituted or unsubstituted alkyl, cycloalkyl, acyl, aryl, aralkyl, or heterocyclyl group; R3=hydrogen, alkyl cycloalkyl, aralkyl or aryl group,produced by bacterial symbiont Xenorhabdus bovienii and/or other Xenorhabdus species, and/or by oxidation of the corresponding dithiolopyrrolone derivatives with oxygen and Xenorhabdus species, and/or its cell-free filtrate, the additional salts thereof, the compositions thereof and their use as medicaments and/or agrochemicals, particularly in the treatment of infectious diseases involving microorganisms susceptible to them, including drug-resistant Staphylococcus. |
