申请人:Daiichi Pharmaceutical Co., Ltd.
公开号:US06448266B1
公开(公告)日:2002-09-10
Substituted cyclobutylamine derivativesb with a novel structure represented by the following formula (I), wherein R1 to R4 and Q each represents a specific substituent and, in particular, Q represents a quinolone derivative having a specific structure. These derivatives are useful as antibacterial compounds which have excellent antibacterial activity against a wide scope of bacteria including Gram-negative and Gram-positive bacteria, exert potent antibacterial activity particularly against methicillin-resistant Staphylococcus aureus (MRSA) strains, penicillin-resistant pneumococcus strains and quinolone-resistant bacteria, and are also possessed of both excellent pharmacokinetics and high safety.
用以下公式(I)表示的具有新结构的环丁胺衍生物,其中R1至R4和Q分别表示特定的取代基,特别是Q表示具有特定结构的喹诉酮衍生物。这些衍生物可作为抗菌化合物,对包括革兰氏阴性和革兰氏阳性细菌在内的广泛细菌具有优异的抗菌活性,特别对甲氧西林耐药金黄色葡萄球菌(MRSA)菌株、青霉素耐药性肺炎球菌菌株和喹诉酮耐药细菌表现出强大的抗菌活性,并且具有优异的药代动力学和高安全性。