申请人:Takeda Chemical Industries, Ltd.
公开号:US04782147A1
公开(公告)日:1988-11-01
Disclosed are compounds of the general formula: ##STR1## wherein R.sub.1 is amino, an acylated amino or a protected amino group, X is hydrogen or methoxy, and R' is hydrogen, R or R.sup.4 wherein R is an organic residue attached to the azetidine ring through a carbon atom therein and R.sub.4 is azido, a halogen, an amino group which may optionally be acylated or a group of the formula ##STR2## wherein R.sub.5 is an organic residue and n is 0, 1 or 2, and pharmaceutically acceptable salts and esters thereof. The compounds have antimicrobial and/or .beta.-lactamase-inhibitory activity and are of value as drugs for human beings and domesticated animals.
揭示了一般式化合物:##STR1## 其中 R.sub.1 是氨基、酰化氨基或保护氨基,X 是氢或甲氧基,而 R' 是氢、R 或 R.sup.4,其中 R 是通过其中的一个碳原子连接到环的有机残基,而 R.sub.4 是偶氮基、卤素、氨基(可选地酰化)或式 ##STR2## 其中 R.sub.5 是有机残基,n 为 0、1 或 2,以及其药学上可接受的盐和酯。这些化合物具有抗微生物和/或β-内酰胺酶抑制活性,并且作为人类和驯化动物的药物具有价值。