申请人:Takahashi Hisashi
公开号:US20080255190A1
公开(公告)日:2008-10-16
To provide a quinolone antibacterial drug and a therapeutic agent for infectious diseases, which exhibit potent antibacterial activity on Gram-positive and Gram-negative bacteria and which is highly safe.
A compound represented by the following formula (1):
(wherein R
1
represents a C3-C6 cycloalkyl group which may have a substituent or the like; R
2
represents a hydrogen atom or the like; R
3
and R
4
each independently represent a hydrogen atom or a C1-C6 alkyl group, or a substituted carboxyl group derived from an amino acid, a dipeptide, or a tripeptide, and, in the case where each of R
3
and R
4
represents a C1-C6 alkyl group, the alkyl group may be substituted by one or more atoms or groups selected from among a hydroxyl group, a halogen atom, a C1-C6 alkylthio group, and a C1-C6 alkoxy group; and n denotes an integer of 1 to 3), a salt thereof, and a hydrate of the compound or the salt. Also, antibacterial drugs and therapeutic agents for infectious diseases are prepared.
提供一种喹诺酮类抗菌药物和治疗传染病的药物,该药物对革兰氏阳性和革兰氏阴性细菌具有强效的抗菌活性,并且非常安全。化合物由以下公式(1)表示:(其中R1表示C3-C6环烷基,可以具有取代基或类似物;R2表示氢原子或类似物;R3和R4各自独立地表示氢原子或C1-C6烷基,或者由氨基酸,二肽或三肽衍生的取代羧基,如果R3和R4各自表示C1-C6烷基,则烷基可以被一个或多个从羟基,卤素原子,C1-C6烷硫基和C1-C6烷氧基中选择的原子或基取代;n表示1至3的整数),其盐和该化合物或盐的水合物。同时,还制备了抗菌药物和治疗传染病的药物。