Details for Patent: 5,447,926
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Summary for Patent: 5,447,926
Title: | Quinolone carboxylic acid derivatives |
Abstract: | A quinolone carboxylic acid derivative having the following formula (1), ##STR1## wherein R.sup.1 is a hydrogen atom, an alkyl group, an aralkyl group, an ester residual group which can be hydrolyzed in living bodies, R.sup.2 is a hydrogen atom or an amino group which may be substituted by one or two lower alkyl groups, X is a hydrogen atom or a halogen atom, Y is CH.sub.2, O, S, SO, SO.sub.2, or N--R.sup.3, wherein R.sup.3 is a hydrogen atom or a lower alkyl group, and Z is an oxygen atom or two hydrogen atoms; or a salt thereof; and an antimicrobial agent comprising the same. The compound exhibits a superior antimicrobial activity, especially against gram positive microorganisms, and is thus useful for the treatments and prevention of various infectious diseases in clinics. |
Inventor(s): | Konno; Fujiko (Tomisato, JP), Shibata; Akihiro (Yachiyo, JP), Matsuda; Hideaki (Abiko, JP), Asaoka; Takemitsu (Narita, JP), Kawahara; Ryuichi (Ichikawa, JP), Taido; Naokata (Funabashi, JP), Kuraishi; Tasdayuki (Chiba, JP), Takeda; Sunao (Ichihara, JP) |
Assignee: | SS Pharmaceutical Co., Ltd. (Tokyo, JP) |
Application Number: | 08/305,977 |
Patent Claim Types: see list of patent claims | Compound; Composition; Use; |
Drugs Protected by US Patent 5,447,926
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Foreign Priority and PCT Information for Patent: 5,447,926
International Family Members for US Patent 5,447,926
Country | Patent Number | Estimated Expiration | Supplementary Protection Certificate | SPC Country | SPC Expiration |
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Austria | 128707 | ⤷ Try a Trial | |||
Canada | 2065846 | ⤷ Try a Trial | |||
Germany | 69113604 | ⤷ Try a Trial | |||
Denmark | 0493608 | ⤷ Try a Trial | |||
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