Conversion process for 2,3-benzodiazepine enantiomers
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United States of America Patent
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Jun 2, 2009
Grant Date -
Nov 23, 2006
app pub date -
May 23, 2005
filing date -
May 23, 2005
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Abstract
Methods for the racemization of an enantiomer of a 2,3-benzodiazepine molecule into the corresponding racemic mixture under either basic or acidic conditions are described. Furthermore, the invention relates to the conversion of an enantiomer of tofisopam or its metabolites to the corresponding opposite enantiomer.
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