PROCESS FOR OPTICALLY ACTIVE SULFOXIDE COMPOUNDS
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United States of America Patent
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Issued Date -
Aug 19, 2010
app pub date -
Oct 3, 2008
filing date -
Oct 3, 2007
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Abandoned
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Abstract
The present invention discloses novel processes for preparing optically active sulphoxide compounds of formula I by asymmetric oxidation of prochiral sulphide compounds of Formula II. More particularly, the invention discloses processes for preparation of optically active proton pump Inhibitors (PPIs) or their optically active precursor (=intermediate) compounds (Formula I) that can be converted into pharmaceutically useful PPIs.
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