This invention provides novel 4-oxoquinolizine compounds and their uses for a series of broad-spectrum antibiotics having no cross-resistance to existing or emerging classes of antibiotics. In addition the novel 4-oxoquinolizine compounds are useful against CDC Category A and B pathogens The invention also provides pharmaceutical compositions comprising certain 4-oxoquinolizines in combination with subinhibitory concentrations of polymyxin B against clinical isolates which are resistant to quinolones, carbapenems and other antimicrobial agents.
这项发明提供了新颖的4-
氧喹啉化合物及其用途,用于一系列广谱
抗生素,不会产生对现有或新出现的
抗生素类别的交叉耐药性。此外,这些新颖的4-
氧喹啉化合物对CDC A类和B类病原体具有作用。该发明还提供了包含某些4-
氧喹啉与亚抑菌浓度的
多粘菌素B结合的药物组合物,用于对抗对
喹诺酮、
碳青霉
烯和其他抗微
生物药物产生耐药性的临床分离株。