申请人:Legochem Biosciences, Inc.
公开号:US20130178455A1
公开(公告)日:2013-07-11
The present invention relates to novel cephalosporin derivatives represented by Chemical Formula 1.
Wherein, X, Y, L, R
1
, and R
2
are as same as defined in the description of the invention.
The present invention also relates to pharmaceutical antibiotic compositions comprising a novel celphalosporin derivative represented by Chemical Formula 1, a prodrug thereof, a hydrate thereof, a solvate thereof, an isomer thereof, or a pharmaceutically acceptable salt thereof as an effective ingredient.
According to the present invention, novel cephalosporin derivatives, a prodrug thereof, a hydrate thereof, a solvate thereof, an isomer thereof, or a pharmaceutically acceptable salt thereof as an effective ingredient for the broad spectrum of antibiotic resistant, low toxicity, particularly in Gram-negative bacteria, which can be useful with strong antimicrobial activity.