Figure 1.

The regular porphyrin ligand (left) and our carbazole‐triazolylidene porphyrin (CTP) 1. The conjugated π‐system (green) is Hückel‐aromatic in porphyrin (18 e−), and formally antiaromatic in 1 (20 e−).

The regular porphyrin ligand (left) and our carbazole‐triazolylidene porphyrin (CTP) 1. The conjugated π‐system (green) is Hückel‐aromatic in porphyrin (18 e−), and formally antiaromatic in 1 (20 e−).