发明授权
- 专利标题: VERFAHREN ZUR HERSTELLUNG VON ORTHO-ALKYLIERTEN BENZOESÄUREDERIVATEN
- 专利标题(英): Method for producing ortho-alkylated benzoic acid derivatives
- 专利标题(中): 用于制备邻位烷基化苯甲酸
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申请号: EP99934577.0申请日: 1999-07-06
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公开(公告)号: EP1098866B1公开(公告)日: 2004-02-11
- 发明人: BARTMANN, Ekkehard , STEIN, Ingeborg
- 申请人: MERCK PATENT GmbH
- 申请人地址: Frankfurter Strasse 250 64293 Darmstadt DE
- 专利权人: MERCK PATENT GmbH
- 当前专利权人: MERCK PATENT GmbH
- 当前专利权人地址: Frankfurter Strasse 250 64293 Darmstadt DE
- 优先权: DE19833118 19980723
- 国际公布: WO2000005187 20000203
- 主分类号: C07C51/15
- IPC分类号: C07C51/15 ; C07C63/70 ; C07D207/327 ; C07C317/44
摘要:
The invention relates to a method for producing ortho-alkylated benzoic acid derivatives of formula (I), characterized in that aryl bromide of formula (II) is reacted with secondary or tertiary lithiumorganyl and CO2.
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