Fig. 2: NHC catalyzed the construction of ɑ-(U)AAs.
From: Stereoselective diversification of α-amino acids enabled by N-heterocyclic carbene catalysis
A NHC-mediated H-shuttling for constructing carbonyl α-stereocenters. B NHC-mediated approach enabling the synthesis of chiral (U)AAs and peptides (this study).
