申请人:WAKUNAGA SEIYAKU KABUSHIKI KAISHA
公开号:EP0596126A1
公开(公告)日:1994-05-11
A quinolone derivative represented by general formula (1) or a salt thereof, and an antibacterial containing the same as the active ingredient, wherein R1 represents hydrogen or a protective group; R2 represents hydrogen, halogen or lower alkyl; X represents hydrogen or halogen; Y represents halogen, optionally substituted cyclic amino, optionally substituted lower cycloalkenyl, or R3-(CH2)m,-A- wherein R3 represents hydrogen or optionally substituted amino, A represents oxygen or sulfur, and m represents a number of 0 to 3; Z represents nitrogen or C-R4 wherein R4 represents hydrogen or halogen; W represents an optionally substituted five-membered heterocyclic group having three or more heteroatoms among which at least two are nitrogen; and n represents a number of 0 to 2. This compound has a potent antibacterial activity and a high safety, thus being useful as human and animal drugs, medicines for fish, agricultural chemicals, and food preservatives.
由通式(1)代表的喹诺酮衍生物或其盐,以及含有相同作为活性成分的抗菌剂,其中R1代表氢或保护基团;R2代表氢、卤素或低级烷基;X代表氢或卤素;Y 代表卤素、任选取代的环氨基、任选取代的低级环烯基或 R3-(CH2)m,-A-,其中 R3 代表氢或任选取代的氨基,A 代表氧或硫,m 代表 0 至 3 的数字;Z 代表氮或 C-R4,其中 R4 代表氢或卤素;W 代表任选取代的五元杂环基团,该基团具有三个或三个以上杂原子,其中至少两个为氮;n 代表 0 至 2 的数字。这种化合物具有很强的抗菌活性和很高的安全性,因此可用作人类和动物药物、鱼类药物、农药和食品防腐剂。