Beta-lactam compounds, process for the preparation thereof and intermediate products for the preparation thereof
申请人:SAGAMI CHEMICAL RESEARCH CENTER
公开号:EP0048954A2
公开(公告)日:1982-04-07
There are disclosed a compound having the following formula:
in which R' denotes an aromatic group; Z represents a group
(wherein R' denotes hydrogen, a salt forming cation or a protective group for carboxylic acid, and R' denotes hydrogen or a residue of a nucleophilic compound); and X' and X2 each represent hydrogen or a halogen atom, provided that both X' and X2 cannot represent hydrogen at the same time; processes for preparing the same; and an intermediate compound useful for preparing the same.
The above mentioned compound has a broad antibacterial spectrum and shows strong antibacterial activities against not only gram-positive bacteria but also the gram-negative bacteria, particularly the resistive gram-negative bacteria.