Methods for preparing capecitabine and beta-anomer-rich trialkyl carbonate compound used therein
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United States of America Patent
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Jan 17, 2012
Grant Date -
Sep 30, 2010
app pub date -
Nov 7, 2008
filing date -
Nov 19, 2007
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Expired
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Abstract
The present invention relates to a method for preparing capecitabine and a method for preparing a β-anomer-rich trialkyl carbonate compound used therein, and a highly pure capecitabine can be efficiently prepared with a high yield by the method of the present invention using the β-anomer-rich trialkyl carbonate compound as an intermediate.
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