NOVEL CARBAPENEM DERIVATIVES

摘要

Novel compounds having a broad antibacterial activity over gram-positive and gram-negative bacteria, in particular, a potent antibacterial effect on .bet a.- lactamase producing bacteria, MRSA, tolerant Pseudomonas aeruginosa, DRSP, Enterococcus and Haemophilus influenzae and an extremely high stability to D HP- 1. These compounds are those represented by general formula (I), pharmaceutically acceptable salts thereof and esters of the carboxylic acid at the 3-position of the carbapenem ring thereof.