Process for preparing 2-amino-4-(haloalkyl) pyridine derivatives by cyclizing suitable nitrile precursors with nitrogen compounds
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United States of America Patent
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Nov 22, 2011
Grant Date -
Sep 16, 2010
app pub date -
Mar 11, 2010
filing date -
Mar 12, 2009
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Abstract
A process in which a 2-aminopyridine derivative of the general formula II is obtained from open-chain nitrile precursor I or III by reaction with a nitrogen compound in a cyclization reaction is described.
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