Cephalosporin derivative
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- JILIN ZHENAO PHARMA CO LTD
- Publication Date
- 2008-06-04
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Abstract
Description
1. Technical field
[0001] The present invention relates to new cephalosporin derivatives, their pharmaceutically acceptable salts, their easily hydrolyzed esters, their isomers, their hydrates and the hydrates of their salts or esters, and the preparation methods of these compounds, which contain these The pharmaceutical composition of the compounds and the use of these compounds in the preparation of medicines for treating and / or preventing infectious diseases belong to the technical field of medicine. 2. Background technology
[0002] Cephalosporin antibiotics are widely used in clinical antibacterial drugs and have been developed to the fourth generation. However, due to long-term clinical use, bacteria are resistant to cephalosporin antibiotics, which greatly affects the antibacterial efficacy of cephalosporin antibiotics. In particular, infectious diseases caused by methicillin-resistant Staphylococcus aureus, penicillin-resistant Streptococcus pneumoniae, and drug-resi...