发明名称 PROCESS FOR THE PREPARATION OF QUINOLONECARBOXYLIC ACID DERIVATIVES
摘要 The present invention is concerned with certain novel process for the preparation of quinolonecarboxylic acid derivatives of the following formula, <CHEM> wherein R<1> 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.
申请公布号 EP0230946(A3) 申请公布日期 1988.09.07
申请号 EP19870100609 申请日期 1987.01.19
申请人 KYORIN PHARMACEUTICAL CO., LTD. 发明人 IRIKURA, TSUTOMU;SUZUE, SEIGO;MURAYAMA, SATOSHI;HIRAI, KEIJI;ISHIZAKI, TAKAYOSHI
分类号 C07D215/56 主分类号 C07D215/56
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