Fig. 4: Energy profiles of the NHC B catalyzed stereoselective reaction pathways.
From: Desymmetrization of N-Cbz glutarimides through N-heterocyclic carbene organocatalysis

All the energies were computed at the M06-2X/6-311 + + G(2d, 2p)/IEF-PCMDCM//M06-2X/6-31 G(d, p)/IEF-PCMDCM level of theory.