Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kenneth David Reginald Setchell0
Victor Dmitrievich Sorokin0
Date of Patent
May 5, 2009
0Patent Application Number
111942800
Date Filed
August 1, 2005
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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