METHODS AND INTERMEDIATES FOR SYNTHESIS OF SELECTIVE DPP-IV INHIBITORS
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United States of America Patent
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Issued Date -
Apr 8, 2010
app pub date -
Mar 5, 2008
filing date -
Aug 6, 1996
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Abandoned
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Abstract
Methods and intermediates for the synthesis of selective inhibitors of dipeptidyl peptidase IV (DPP-IV) are provided. Coupling of a carboxylate salt with a boro-proline derivative provides a protected form of a DPP-IV inhibitor, which may be deblocked to yield the medicinal compound. The carboxylate salt can be a crystalline form of a sodium salt or a dicyclohexylammonium salt. The inhibitor can be used in the treatment of diabetes.
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