Method for producing ortho-alkylated benzoic acid derivatives
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United States of America Patent
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Feb 26, 2002
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N/A
app pub date -
Apr 5, 2001
filing date -
Jul 23, 1998
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Expired
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Abstract
The invention relates to a process for the preparation of ortho-alkylated benzoic acid derivatives of the formula I ##STR1## characterized in that an aryl bromide of the formula II ##STR2## is reacted with a secondary or tertiary organolithium compound and CO.sub.2.
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