[EN] VINYLPYRROLIDINONE DERIVATIVES WITH SUBSTITUTED THIAZOLE RING<br/>[FR] DERIVES DE VINYLPYRROLIDINONE A CYCLE THIAZOLE SUBSTITUE
申请人:HOFFMANN LA ROCHE
公开号:WO2001004127A1
公开(公告)日:2001-01-18
The invention is concerned with cephalosporin derivatives of general formula (I) wherein X is chlorine, bromine, fluorine, trifluoromethyl, methyl, carboxy or hydroximethyl; R1 is hydrogen or lower alkanoyl; R2 is hydrogen or an in vivo cleavable group; Y1 is a group -CHR3-; Y2 is one of the groups -CHR?3-, -CHR3-CHR3¿- and -CHOH-CHR3-; R3 is the same or different and selected from hydrogen, hydroxy-lower alkyl and amino-lower alkyl, and readily hydrolyzable ester of compounds of formula I, as well as pharmaceutically acceptable salts of said compounds of formula I and of their esters and salts, with the manufacture of compounds aforesaid; and with their use as pharmaceutically active substances in the treatment and prophylaxis of infectious diseases.