Chiral sulfones are important functionalities of various interesting organic compounds.
Herein we reported a catalytic enantioselective β-elimination reaction for the first
time and realized the kinetic resolution of racemic β-sulfonyl ketones. The resulted
enones could be recovered to re-perform the catalytic resolution. This protocol overcame
the yield limitation of 50% of resolution procedures. The resulting chiral β-sulfonyl
ketones were successfully transformed into corresponding amide, hydrazine, and alcohols
with good stereocontrol, demonstrating the application prospect of this reaction system.
Key words
enantioselective β-elimination - chiral sulfone - kinetic resolution