Chemical and Pharmaceutical Bulletin p. 4907 - 4913 (1984)
Update date:2022-08-02
Topics:
Hayakawa
Hiramitsu
Tanaka
As part of a search for new synthetic antibacterial agents to combat systemic infection, various analogues of 7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acids were synthesized. Among the compounds newly synthesized, 9-fluoro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-2,3-dihydro-7H-pyrido[ 1,2,3-de][1,4]benzoxazine-6-carboxylic acid (DL-8280) showed potent antibacterial activity against Gram-positive and -negative pathogens, including Psedomonas aeruginosa, and its metabolic disposition was shown in separate experimentals to be favorable.
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