申请人:Beecham Group Limited
公开号:US04093626A1
公开(公告)日:1978-06-06
Compounds of the formula ##STR1## wherein R is hydrogen, alkyl of 1 to 4 carbon atoms, alkenyl of 2 to 4 carbon atoms, epoxide of 2 to 4 carbon atoms or alkyl of 1 to 4 carbon atoms substituted by 1 or 2 halogen atoms, hydroxyl, etherified or acylated hydroxyl of 1 to 7 carbon atoms, azido, phthaliamido, SR.sup.1, SOR.sup.1 or SO.sub.2 R.sup.1 wherein R.sup.1 is aryl, are useful for their .beta.-lactamase inhibitory activity and their antibacterial activity.
公式为##STR1##的化合物,其中R是氢、1至4个碳原子的烷基、2至4个碳原子的烯基、2至4个碳原子的环氧烷基或1至4个碳原子的烷基,被1或2个卤素原子、羟基、1至7个碳原子的醚化或酰化羟基、叠氮基、邻苯二甲酰胺基、SR.sup.1、SOR.sup.1或SO.sub.2 R.sup.1,其中R.sup.1是芳基,对于它们的β-内酰胺酶抑制活性和抗菌活性是有用的。