Asymmetric Construction of 1,4-Diketone Derivatives Containing a Less Accessible Acyclic Quaternary Carbon Stereocenter via Michael Addition/Rearrangement Cascade
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The stereoselective conjugate addition of β,β-disubstituted enesulfinamides to α-substituted nitroolefins, followed by transposition of sulfinylamino group, provides an efficient asymmetric synthetic route to 1,4-diketone derivatives. The resulting γ-imino... ...