Figure 1.
(A) Structures of tetrasubstituted 5,10,15,20-tetraphenylporphyrin (TPP, 1), dodecasubstituted 2,3,7,8,12,13,17,18-octaethyl-5,10,15,20-tetraphenylporphyrin (OETPP, 2), and octasubstituted 2,3,7,8,12,13,17,18-octaethylporphyrin (OEP, 3). (B) Aim of this work, the arm extension of the meso-phenyl position of dodecasubstituted porphyrins.