The Viability of C5-Protonated- and C4,C5-Ditopic Carbanionic Abnormal NHCs: A New Dimension in NHC Chemistrycarbenesligand designmain groupN-heterocyclesphosphorusThe first C5‐protonated abnormal N‐heterocyclic carbene (aNHC), PhC{N(2,6‐ i Pr 2 C 6 H 3 )} 2 CHC: ( 4 ) is readily...