Is a
Patent attributes
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Raji Reddy0
Bandi Parthasaradhi Reddy0
Dasari Muralidhara Reddy0
Kura Rathnakar Reddy0
Date of Patent
October 14, 2008
0Patent Application Number
116208430
Date Filed
January 8, 2007
0Patent Primary Examiner
Patent abstract
The present invention relates to a process for preparing substituted sulfoxides either as a single enantiomer or in an enantiomerically enriched form. Thus, racemic omeprazole is reacted with (S)-camphorsulfonyl chloride to form a diastereomeric mixture and the diastereomers are separated by fractional crystallization, followed by deprotection to give esomeprazole.
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