C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
167/211, 260/277
C07D 401/10 (2006.01) A61K 31/47 (2006.01) C07D 215/56 (2006.01) C07D 401/04 (2006.01) C07D 498/04 (2006.01) C07D 498/06 (2006.01)
Patent
CA 1262349
Title of the invention: Pyridonecarboxylic acid derivatives and process for their preparation Abstract of the invention: Pyridonecarboxylic acid derivatives of the following formula, Image wherein R is hydrogen atom or lower alkyl group, R1 is lower alkyl group, cycloalkyl group or haloalkyl group, Y is hydrogen atom or halogen atom, or Y and Rl are Image which work together, R2 is hydrogen atom, lower alkyl group, alkoxycarbonyl group or acyl group and n is 0 or 1; the hydrates and pharmaceu- tically acceptable salts thereof are useful as antibacterial agents.
512440
Hirai Keiji
Ishizaki Takayoshi
Masuzawa Kuniyoshi
Suzue Seigo
Borden Ladner Gervais Llp
Kyorin Pharmaceutical Co. Ltd.
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