发明授权
EP0847382B1 MONOESTER DER CARBOXYMETHYLENANTHRANILSÄUREN UND VERFAHREN ZU IHRER HERSTELLUNG
失效
CARBOXYMETHYLENANTHRANILSÄUREN及其制造方法的单酯
- 专利标题: MONOESTER DER CARBOXYMETHYLENANTHRANILSÄUREN UND VERFAHREN ZU IHRER HERSTELLUNG
- 专利标题(英): Monoesters of carboxymethylene anthranilic acids and process for preparing the same
- 专利标题(中): CARBOXYMETHYLENANTHRANILSÄUREN及其制造方法的单酯
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申请号: EP96930052.4申请日: 1996-08-19
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公开(公告)号: EP0847382B1公开(公告)日: 2000-12-20
- 发明人: PAPENFUHS, Theodor , PFIRMANN, Ralf , KRAUSE, Stefan , NEUMANN-GRIMM, Doris
- 申请人: Clariant GmbH
- 申请人地址: Brüningstrasse 50 65929 Frankfurt am Main DE
- 专利权人: Clariant GmbH
- 当前专利权人: Clariant GmbH
- 当前专利权人地址: Brüningstrasse 50 65929 Frankfurt am Main DE
- 优先权: DE19532053 19950831; DE19619395 19960514
- 国际公布: WO9708131 19970306
- 主分类号: C07C229/56
- IPC分类号: C07C229/56
摘要:
Compounds have the formula (I), in which R stands for straight-chain or branched (C1-C20) alkyl, phenyl or CH2 phenyl, the alkyl group or phenyl group being optionally substituted by halogen, (C1-C4) alkyl, (C1-C4) alkoxy, and R , R , R , R independently represent hydrogen, halogen, OH, NO2, (C1-C6) alkoxy, (C1-C6) alkyl or halogen-substituted (C1-C6)-alkyl. Also disclosed is a process for preparing these compounds.
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