申请人:MERCK & CO INC
公开号:WO2009091856A2
公开(公告)日:2009-07-23
Substituted bicyclic beta-lactams of Formula I: (I), are ß-lactamase inhibitors, wherein a, X, R1 and R2 are defined herein. The compounds and pharmaceutically acceptable salts thereof are useful in the treatment of bacterial infections in combination with ß-lactam antibiotics. In particular, the compounds can be employed with a ß-lactam antibiotics (e.g., imipenem, piperacillin, or ceftazidime) against microorganisms resistant to ß-lactam antibiotics due to the presence of the ß-lactamases.
公式I中的取代双环β-内酰胺(I)是β-内酰胺酶抑制剂,其中a、X、R1和R2的定义见此处。这些化合物和药学上可接受的盐在与β-内酰胺类抗生素联合治疗细菌感染方面具有用途。特别地,这些化合物可以与β-内酰胺类抗生素(例如亚胺培南、哌拉西林或头孢他啶)一起用于对抗因β-内酰胺酶存在而对β-内酰胺类抗生素产生耐药性的微生物。