Fig. 2: NHC structures employed in this work.
From: NHC-Ni(II)-catalyzed cyclopropene-isocyanide [5 + 1] benzannulation

NHC L1-7. DIPP 2,6-diisopropylphenyl.
From: NHC-Ni(II)-catalyzed cyclopropene-isocyanide [5 + 1] benzannulation

NHC L1-7. DIPP 2,6-diisopropylphenyl.