PROCESS FOR THE PURIFICATION OF DAPAGLIFLOZIN
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United States of America Patent
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Aug 18, 2016
app pub date -
Sep 19, 2014
filing date -
Sep 27, 2013
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Abstract
The present invention provides a process for the preparation of (1C)-2,3,4,6-tetra-O-acetyl-1,5-anhydro-1-[4-chloro-3-(4-ethoxybenzyl)phenyl]-D-glucitol of Formula III. The invention also provides a process for the purification of dapagliflozin using (1C)-2,3,4,6-tetra-O-acetyl-1,5-anhydro-1-[4-chloro-3-(4-ethoxybenzyl)phenyl]-D-glucitol of Formula III.
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