PYRIDONECARBOXYLIC ACID DERIVATIVES OR SALTS THEREOF

The present invention provides an agent which exhibits excellent antibacterial activity, low toxicity, improved bioavailability, and low binding rate to serum proteins. The present invention is directed to a pyridonecarboxylic acid derivative represented by formula (1): or a salt thereof, wherein R...

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Bibliographische Detailangaben
Hauptverfasser:	TAKENAKA, HITOMI, KURAMOTO, YASUHIRO, YOSHIKAI, KAZUSA, YAZAKI, AKIRA, OHSHITA, YOSHIHIRO, AMAGO, TAKAYUKI, ITOH, KENJI, HIRAO, YUZO, HAYASHI, NORIHIRO, AMANO, HIROTAKA
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
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Beschreibung
Zusammenfassung:	The present invention provides an agent which exhibits excellent antibacterial activity, low toxicity, improved bioavailability, and low binding rate to serum proteins. The present invention is directed to a pyridonecarboxylic acid derivative represented by formula (1): or a salt thereof, wherein R 1 represents a methyl group, a fluorine atom, or a chlorine atom; R 2 represents a hydrogen atom or a lower alkyl group; R 3 represents an isopropyl group or a tert-butyl group; R 4 represents a methyl group or a halogen atom; and R 5 represents a fluorine atom or a chlorine atom. The present invention is also directed to an antibacterial agent and a medicament containing the derivative or the salt thereof as an active ingredient.