Process for preparing substituted aromatic carboxylic acids
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United States of America Patent
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Apr 29, 2014
Grant Date -
Sep 9, 2010
app pub date -
Mar 8, 2010
filing date -
Mar 6, 2009
priority date (Note) -
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Abstract
A process for preparing an aromatic carboxylic acid having a heteroatom containing substituent is provided that includes reaction in a vessel of an aromatic precursor having an aromatic core with at least one heteroatom containing substituent and at least one hydrogen extending from the core, with a haloacetonitrile under reaction conditions to form an aromatic acetonitrile with an acetonitrile moiety. The aromatic acetonitrile is exposed to an oxidizing agent under conditions to convert the acetonitrile moiety to a carboxylic acid group to prepare the aromatic carboxylic acid having the heteroatom containing substituent.
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