Abstract
AbstractEarring porphyrins bearing a 1,3‐di(pyrid‐2‐yl)phenylene ear or a 2,5‐di(pyrid‐2‐yl)pyrrole ear were synthesized by Suzuki‐Miyaura cross coupling reactions. Upon treatment with Pd(OAc)2 and Ni(OAc)2 ⋅ 4H2O, these earring porphyrins gave the corresponding PdII and NiII complexes with distorted coordination geometries, indicating their abilities to serve as a divalent ligand. Owing to non‐conjugated properties, these complexes show larger HOMO‐LUMO gaps as compared with the parent earring porphyrin bearing a tripyrrin ear.
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