Fig. 3: Substrate scope with respective to 4,4-disubstituted glutarimides.
From: Desymmetrization of N-Cbz glutarimides through N-heterocyclic carbene organocatalysis

Reaction conditions as in Table 1, entry 19; yields (after SiO2 chromatography purification) were based on 4. [b] Reaction was performed at −30 °C. [c] NHC precursor C was used. Reaction was performed at −30 °C.