发明授权
US6124469A Process for preparing sulphurous
2-chloro-3-(4,5-dihydroisoxazol-3-yl)-benzoic acids
失效
制备亚硫酸2-氯-3-(4,5-二氢异恶唑-3-基) - 苯甲酸的方法
- 专利标题: Process for preparing sulphurous 2-chloro-3-(4,5-dihydroisoxazol-3-yl)-benzoic acids
- 专利标题(中): 制备亚硫酸2-氯-3-(4,5-二氢异恶唑-3-基) - 苯甲酸的方法
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申请号: US341519申请日: 1999-07-13
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公开(公告)号: US6124469A公开(公告)日: 2000-09-26
- 发明人: Joachim Rheinheimer , Wolfgang von Deyn , Joachim Gebhardt , Regina Luise Hill , Michael Rack , Hartmann Konig , Norbert Gotz , Volker Maywald , Uwe Kardorff
- 申请人: Joachim Rheinheimer , Wolfgang von Deyn , Joachim Gebhardt , Regina Luise Hill , Michael Rack , Hartmann Konig , Norbert Gotz , Volker Maywald , Uwe Kardorff
- 申请人地址: DEX Ludwigshafen
- 专利权人: BASF Aktiengesellschaft
- 当前专利权人: BASF Aktiengesellschaft
- 当前专利权人地址: DEX Ludwigshafen
- 优先权: DEX19701446 19970117; DEX19709118 19970306
- 主分类号: C07D231/20
- IPC分类号: C07D231/20 ; C07D261/04 ; C07D261/20 ; C07D413/10 ; C07D417/10 ; C07D261/18
摘要:
Sulfur-containing 2-chloro-3-(4,5-dihydro-3-isoxazolyl)-benzoic acids of the formula I in which the substituents have the meanings given in the description are prepared as described.
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