- 专利标题： Method for producing ortho-alkylated benzoic acid derivatives
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申请号： US10265607申请日： 2002-10-08
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公开(公告)号： US06573404B2公开(公告)日： 2003-06-03
- 发明人: Ekkehard Bartmann , Ingeborg Stein
- 申请人： Ekkehard Bartmann , Ingeborg Stein
- 优先权： DE19833118 19980723
- 主分类号： C07C27922
- IPC分类号： C07C27922
摘要：
The invention relates to a process for the preparation of ortho-alkylated benzoic acid derivatives of the formula I characterized in that an aryl bromide of the formula II is reacted with a secondary or tertiary organolithium compound and CO2.
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