申请人:Wakunaga Seiyaku Kabushiki Kaisha
公开号:US05245037A1
公开(公告)日:1993-09-14
Antibacterial quinolone derivatives represented by the following formula [I] and salts thereof are disclosed. ##STR1## wherein R.sup.1 means a hydrogen atom or a carboxyl-protecting group; R.sup.2 denotes a hydrogen or halogen atom or a hydroxyl, lower alkoxyl, amino, aralkylamino, or mono- or di-(lower alkyl)amino group; A represents an oxygen or sulfur atom or N--R.sup.3 in which R.sup.3 is a hydrogen atom or an amino-protecting group; X is a hydrogen or halogen atom; Y means a nitrogen atom or C--R.sup.4 in which R.sup.4 is a hydrogen or halogen atom or a lower alkyl or lower alkoxyl group; and Z denotes a halogen atom or a substituted or unsubstituted heterocyclic group having at least one nitrogen atom as a hetero atom.
公开了以下通式[I]表示的抗菌喹诺酮衍生物及其盐: ##STR1## 其中R1表示氢原子或羧基保护基;R2表示氢或卤素原子,或羟基、低级烷氧基、氨基、芳烷基氨基、或单-或二-(低级烷基)氨基;A表示氧或硫原子,或N--R3,其中R3是氢原子或氨基保护基;X是氢或卤素原子;Y表示氮原子或C--R4,其中R4是氢或卤素原子,或低级烷基或低级烷氧基;Z表示卤素原子,或至少有一个氮原子作为杂原子的取代或未取代的杂环基团。