The compounds of the formula (I):
and salts and cleavable esters thereof wherein X is a sulphur atom or SO or SO2 group; have been found to be β-lactamase inhibitors and antibacterial agents. Their preparation and use is described.
式 (I) 的化合物:
及其盐和可裂解酯,其中 X 为
硫原子或 SO 或 SO2 基团;已被发现是 β-内酰胺酶抑制剂和抗菌剂。本文介绍了它们的制备和使用方法。