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. Author manuscript; available in PMC: 2021 Mar 10.
Published in final edited form as: Chem Commun (Camb). 2020 Mar 10;56(20):3089–3092. doi: 10.1039/c9cc10019a

Fig. 4.

Fig. 4.

1H NMR spectra in DMF-d7 of the aromatic region of a) the reaction of FeIII(O2•−)(TPP) and 2,3-dimethylindole at −40 °C, b) after warm-up to 25 °C, and c) a mixture of independently synthesized (FeIIITPP)2(μ-O) and 2,3-dimethylindole at −40 °C.