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. Author manuscript; available in PMC: 2019 Nov 28.
Published in final edited form as: Chem Rev. 2018 Oct 29;118(22):10840ā€“11022. doi: 10.1021/acs.chemrev.8b00074

Figure 44.

Figure 44.

Methodology utilized by Valentine and co-workers in the generation of side-on bound heme-iron(III)-peroxo complexes. Two equiv of KO2 were observed to be essential, where the first equiv would reduce the starting FeIII complex to FeII (eq 4) and the second equiv reacts with the FeII complex, producing the iron(III)-peroxo adduct (eq 5).