1,4-Dihydro-quinoline-3-carboxylic acid derivatives, process for their
申请人:Laboratorie Roger Bellon
公开号:US04292317A1
公开(公告)日:1981-09-29
New 7-dialkylamino-1-substituted-6-halogeno-4-oxo-1,4-dihydroquinoline-3 carboxylic acids of the formula: ##STR1## wherein the R.sub.1 substituent is methyl, ethyl, vinyl or allyl and non-toxic pharmaceutically acceptable acid addition salts thereof. These compounds are useful as antibacterial agents. Also disclosed are processes for preparing the compounds.