Methods for producing 3-cyano-and 4-cyano- benzoic acid derivative compounds
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United States of America Patent
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Sep 2, 2003
Grant Date -
Jun 13, 2002
app pub date -
Dec 13, 2000
filing date -
Dec 13, 2000
priority date (Note) -
Expired
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Abstract
Novel process steps and novel processes for producing unsubstituted and substituted meta- and para-cyano benzoic acid compounds, as well as salts and derivatives thereof, and intermediates therefor which are useful as intermediates for producing platelet aggregation inhibitors. Further disclosed are processes for producing bicyclic and heterocyclic cyano substituted compounds also having a carboxyl group attached to the same ring structure.
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