Chemistry Letters, Vol.33, No.2, 114-115, 2004
Influence of metallo core variation on 1-methylimidazole ligation to the iron(III) in porphyrin, porphycene, corrphycene, and hemiporphycene
Binding of 1-methylimidazole to five-coordinate iodo-Fe(III) complexes of porphyrin and three porphyrin isomers was spectrophotometrically examined in benzene at 20degreesC. The result demonstrates that the geometry of the metallocavity is important to control both iron movement through the aromatic plane and magnitude of the Fe-I interactions.