C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/285
C07D 215/56 (2006.01)
Patent
CA 1283112
Title of the invention : Process for the preparation of quinolonecarboxylic acid derivatives Abstract of the invention : The present invention is concerned with certain novel process for the preparation of quinolonecarboxylic acid derivatives of the following formula, Image wherein R1 is a lower alkyl group, X is a chlorine or bromine atom and Y is a halogen atom, which are useful intermediates for the synthesis of antibacterial agents.
527626
Hirai Keiji
Irikura Tsutomu
Ishizaki Takayoshi
Murayama Satoshi
Suzue Seigo
Borden Ladner Gervais Llp
Kyorin Pharmaceutical Co. Ltd.
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