Dioxygen fixation by a mixed-valence dicobalt cofacial porphyrin
Abstract
A mixed-valence CoIICoIII compound is obtained by electrochemical oxidation of a dicobalt(II) cofacial dimeric porphyrin; unexpectedly, this compound reacts instantaneously with oxygen, even in the absence of an axial ligand on the cobalt(II), leading to a µ-superoxo dicobalt complex.
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