发明授权
- 专利标题： Trifluoro-substituted benzoic acid, esters thereof and processes for preparing the same
- 专利标题（中）： 三氟取代的苯甲酸，其酯及其制备方法
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申请号： US09678694申请日： 2000-10-03
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公开(公告)号： US06307091B1公开(公告)日： 2001-10-23
- 发明人: Yasuhito Yamamoto , Yasuhiro Yoneda , Kikuo Ataka , Naoyuki Yokota
- 申请人： Yasuhito Yamamoto , Yasuhiro Yoneda , Kikuo Ataka , Naoyuki Yokota
- 优先权： JP8-217045 19960819; JP8-217046 19960819
- 主分类号： C07C6308
- IPC分类号： C07C6308
摘要：
The present invention is to provided a trifluoro-substituted benzoic acid, an ester thereof, particularly 2,3,4-trifluoro-5-iodobenzonic acid, 2,3,4-trifluoro-5-trifluoromethylbenzonic acid, esters thereof, which are useful as a starting material for synthesizeing a quinolonecarboxylic acid compound useful as a medicine, an anti-bacterial agent or an antiviral agent, and processes for preparing these compounds and 2,4,5-trifluoro-3-iodobenzonic acid, 2,4,5-trifluoro-3-trifluoromethylbenzoic acid and esters thereof.
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