Fluorous triphasic reaction and separation processes for the generation of enantioenriched alcohols, amines, carboxylic acids and related compounds
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United States of America Patent
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May 8, 2007
Grant Date -
Mar 11, 2004
app pub date -
May 21, 2003
filing date -
Jun 8, 2001
priority date (Note) -
Expired
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Abstract
A method of obtaining an enantioenriched organic compound comprising the steps of: 1) generating from a starting racemic, non-enantiopure or achiral compound a first mixture comprising at least one fluorous-tagged compound and at least one other non-fluorous tagged compound, at least one of these two compounds being enantioenriched relative to the starting compound; 2) contacting a first non-fluorous phase including the first mixture with a fluorous phase at a first phase interface, the fluorous-tagged compound distributing between the first non-fluorous phase and the fluorous phase; and 3) contacting the fluorous phase with a second non-fluorous phase at a second phase interface. The method further includes the step of having a third compound in the second non-fluorous phase that reacts with the fluorous-tagged compound to produce a second compound and the step of generating the first mixture by chemical or enzymatic kinetic resolution of a racemic or non-enantiopure compound.
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