Kinetic Resolution of 2,3-Epoxy 3-Aryl Ketones via Catalytic Asymmetric Ring-Opening with Pyrazole Derivatives.
2015
A highly efficient catalytic kinetic resolution of 2,3-epoxy 3-aryl ketones via asymmetric ring-opening with pyrazole derivatives has been achieved by using a chiral N,N′-dioxide–Sc(III) complex as the catalyst. A wide variety of substrates were readily scoped, and the selectivity factors obtained were excellent (up to >300).
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