A compound of formula (1), salts and metabolically labile esters thereof, wherein R represents optionally substituted aryl or heteroaryl group; A represents a propylene chain or A is a chain of 3 members one of which is selected from an oxygen or sulphur atom orthe group NH or a substituted derivative thereof and the other two members are methylene groups, having antibacterial activity, processes for their preparation and to their use in medicine.
1
公式(1)的化合物,其盐和代谢不稳定的酯,其中R代表可选取代的芳基或杂环基; A代表
丙烯链或A是由3个成员组成的链,其中一个成员选自氧原子或
硫原子或NH基团或其取代衍
生物,另外两个成员是亚甲基基团,具有抗菌活性,其制备过程以及在医学上的应用。