Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Mark E. Flanagan0
Michael J. Munchhof0
Date of Patent
November 27, 2007
0Patent Application Number
101546990
Date Filed
May 23, 2002
0Patent Primary Examiner
Patent abstract
A method for resolving enantiomers of a compound containing the structure of the forula:wherein R4 or R5 may contan one or more asymmetric centers, by mixing a racemic mixture of enantiomers of a compound, containing the structure of said formula; in a solvent, with a resolving compound having a defined sterospecificity, to form a solution and with said resolving agent being capable of binding with at least one but not all of said enantiomers to form a precipitate, containing said at least one of said enantiomers in sterospecific form and collecting either the precipitate and purifying it or collecting the solution with contained other of said enantiomers and recrystallizing the enantiomer contained in said solution.
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