Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Victor Dmitrievich Sorokin0
Kenneth David Reginald Setchell0
Date of Patent
June 14, 2011
0Patent Application Number
124350330
Date Filed
May 4, 2009
0Patent Primary Examiner
Patent abstract
A method for preparing an enantiomeric chromane, by asymmetrically hydrogenating a chromene compound in the presence of an Ir catalyst having a chiral ligand. The method includes the enantioselective preparation of enantiomeric equol. A preferred Ir catalyst has a chiral phosphineoxazoline ligand. Enantiomeric chromanes of high stereoselective purity can be obtained.
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