The phenomenon of ‘dioxygen protection’ during autoxidation of a lacunar macrobicyclic iron(II) reversible dioxygen carrier. An outer-sphere autoxidation mechanism
Abstract:The autoxidation kinetics of an iron(ti) complex which is a dioxygen carrier and which contains a sizeable protected cavity around one axial co-ordination site of the metal ion display a maximum in rate a t ca. 1 Torr of dioxygen pressure at 0 "C and this unusual behaviour is interpreted as evidence for an outer-sphere oxidation mechanism involving hexaco-ordinated iron (11) species.
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