发明名称 |
PROCESS FOR PREPARATION OF QUINOLONE CARBOXYLIC 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 |
KR950000979(B1) |
申请公布日期 |
1995.02.06 |
申请号 |
KR19870000411 |
申请日期 |
1987.01.20 |
申请人 |
KYORIN PHARM. 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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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