Discovery of MK-7655, a β-lactamase inhibitor for combination with Primaxin®
摘要:
beta-Lactamase inhibitors with a bicyclic urea core and a variety of heterocyclic side chains were prepared and evaluated as potential partners for combination with imipenem to overcome class A and C beta-lactamase mediated antibiotic resistance. The piperidine analog 3 (MK-7655) inhibited both class A and C beta-lactamases in vitro. It effectively restored imipenem's activity against imipenem-resistant Pseudomonas and Klebsiella strains at clinically achievable concentrations. A combination of MK-7655 and Primaxin (R) is currently in phase II clinical trials for the treatment of Gram-negative bacterial infections. (C) 2014 Elsevier Ltd. All rights reserved.
Substituted bicyclic beta-lactams of Formula I: (I), are β-lactamase inhibitors, wherein a, X, R
1
and R
2
are defined herein. The compounds and pharmaceutically acceptable salts thereof are useful in the treatment of bacterial infections in combination with β-lactam antibiotics. In particular, the compounds can be employed with a β-lactam antibiotics (e.g., imipenem, piperacillin, or ceftazidime) against microorganisms resistant to β-lactam antibiotics due to the presence of the β-lactamases.
Substituted bicyclic beta-lactams of Formula I:
are β-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 β-lactam antibiotics. In particular, the compounds can be employed with a β-lactam antibiotics (e.g., imipenem, piperacillin, or ceftazidime) against microorganisms resistant to β-lactam antibiotics due to the presence of the β-lactamases.
式 I 的取代双环β-内酰胺:
是 β-内酰胺酶抑制剂,其中 a、X、R1 和 R2 在本文中定义。这些化合物及其药学上可接受的盐类可与β-内酰胺类抗生素联合用于治疗细菌感染。特别是,本发明化合物可与β-内酰胺类抗生素(如亚胺培南、哌拉西林或头孢他啶)一起使用,以对抗因存在β-内酰胺酶而对β-内酰胺类抗生素产生耐药性的微生物。
β-lactamase inhibitors and uses thereof
申请人:Xuanzhu Pharma Co., Ltd.
公开号:US10167283B2
公开(公告)日:2019-01-01
The present invention relates to a compound of Formula (I)-(IV) useful as β-lactamase inhibitor, a pharmaceutically acceptable salt, ester, solvate or stereoisomer thereof, wherein R1, R2, M and ring A have definitions as those in the specification. The present invention further relates to methods for preparing these compounds, pharmaceutical compositions comprising these compounds, and uses of these compounds. For example, the compounds of the present invention can be used as β-lactamase inhibitors, for treatment and/or prophylaxis of diseases caused by bacterial infections, solving drug-resistance problems caused by β-lactamases, especially bacterial drug-resistant diseases caused by type B metallo-β-lactamases.