Diversity Oriented Asymmetric Synthesis of 3,4-Disubstituted Succinimides via NHC-Catalyzed Enolate Intermediate
Abstract
An N-heterocyclic carbene-catalyzed stereoselective [3+2] annulation of α,β-unsaturated aldehydes with maleic amide esters has been developed for the synthesis of chiral 3,4disubstituted succinimides via an azolium enolate pathway. The method exhibits broad substrate scope, affording products in good yields with excellent diastereo-and enantioselectivities.
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