申请人:——
公开号:US20020049191A1
公开(公告)日:2002-04-25
The present invention provides a novel series of cephem derivatives of the general formula I
1
wherein R
1
, R
2
, R
3
, R
5
, R
6
, R
7
, A, L
1
, X, n and n′ are as defined herein above. The compounds of formula I are antibacterial agents useful in the treatment of infections in humans and other animals caused by a variety of gram-positive bacteria, particularly methicillin-resistant
Staphylococcus aureus
. Also included in the invention are processes for preparing the compounds of formula I and pharmaceutical compositions containing said compounds in combination with pharmaceutically acceptable carriers, diluents or excipients.
本发明提供了一种新的头孢菌素衍生物系列,其一般式为I
1
其中R
1
,R
2
,R
3
,R
5
,R
6
,R
7
,A,L
1
,X,n和n'如上所定义。式I的化合物是抗菌剂,可用于治疗人类和其他动物因多种革兰氏阳性细菌引起的感染,特别是耐甲氧西林金黄色葡萄球菌。本发明还包括制备式I化合物的方法,以及含有所述化合物的与药用载体、稀释剂或赋形剂组合的药物组合物。