A compound which is a thienolate of formula (I) or a pharmaceutically acceptable salt thereof: (I) wherein R1, R3, Ring A1, n and Ring A2 are as defined herein, are found to be useful in inhibiting metallo-beta-lactamase and therefore in potentiating the activity of beta lactamase antibiotics. The compound can be used alone or in combination with a rhodanine of formula (II) or a pharmaceutically acceptable salt thereof: (II) wherein R3, Ring A1, n, Ring A2, L and Ring B are as defined herein. Treatment or prevention of bacterial infection in combination with beta-lactam antibiotic agents is also provided.
式 (I) 的
噻吩酸盐或其药学上可接受的盐:(I) 其中 R1、R3、环 A1、n 和环 A2 如本文所定义,该化合物可抑制
金属-β-内酰胺酶,从而增强β-内酰胺酶抗生素的活性。该化合物可单独使用,也可与式 (II) 的
罗丹宁或其药学上可接受的盐结合使用:(II) 其中 R3、环 A1、n、环 A2、L 和环 B 如本文所定义。还提供了与β-内酰胺类抗生素制剂联合使用治疗或预防细菌感染的方法。