A picket-fence porphyrin complex of Fe, with axial coordination sites occupied by methylimidazole (green) and dioxygen (R = amide groups).[1]
Transition metal porphyrin complexes are a family of coordination complexes of the conjugate base of porphyrins. Iron porphyrin complexes occur widely in Nature, which has stimulated extensive studies on related synthetic complexes. The metal-porphyrin interaction is a strong one such that metalloporphyrins are thermally robust.[2][3] They are catalysts and exhibit rich optical properties, although these complexes remain mainly of academic interest.
^S. J. Lippard, J. M. Berg “Principles of Bioinorganic Chemistry” University Science Books: Mill Valley, CA; 1994. ISBN 0-935702-73-3.
^Miessler, Gary L.; Tarr, Donald Arthur (2004). Inorganic Chemistry. Pearson Education. ISBN 978-0-13-035471-6.
^Shriver, Duward; Atkins, Peter; Overton, T. L.; Rourke, J. P.; Weller, M. T.; Armstrong, F. A. (17 February 2006). Inorganic Chemistry. W. H. Freeman. ISBN 978-0-7167-4878-6.
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