Carbostyril carboxylic acid derivatives
The present invention relates to quinolonecarboxylic acid derivatives having more excellent and broad antibacterial activities than the existing quinolone-series antibiotics. More specifically, it pertains to novel quinolonecarboxylic acid derivatives represented by following formula 1, which have a...
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Main Authors | , , |
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Format | Patent |
Language | English |
Published |
16.07.2003
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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Summary: | The present invention relates to quinolonecarboxylic acid derivatives having more excellent and broad antibacterial activities than the existing quinolone-series antibiotics. More specifically, it pertains to novel quinolonecarboxylic acid derivatives represented by following formula 1, which have a derivative of 7-[8-(alkoxyimino)-2,6-diazaspiro[3.4]oct-6-yl] as a substituent, and pharmaceutically acceptable salts and isomers thereof:Wherein, A is C-H, C-F, C-Cl, C-O-CH3 or N; Y is H or amino; R1 is cyclopropyl or 2,4-difluorophenyl; R2 is C1-4 alkyl; and R3 is H or C1-4 alkyl. |
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Bibliography: | Application Number: CN19988006026 |