Fig. 4: Mechanistic Investigation and proposed reaction pathway.
From: Carbene-catalyzed chirality-controlled site-selective acylation of saccharides
a and b DFT optimized transition state structures for the most favored TSs for each reaction using either NHC G for O3-selective acylation or NHC ent-G for O2-acylation; c NMR analysis; d Proposed mechanism.
