Title : Efficient two-electron reduction of dioxygen to hydrogen peroxide with one-electron reductants with a small overpotential catalyzed by a cobalt chlorin complex.

Pub. Date : 2013 Feb 20

PMID : 23343346






5 Functional Relationships(s)
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1 The detailed kinetic studies have revealed that the rate-determining step in the catalytic cycle is the proton-coupled electron transfer reduction of O(2) with the protonated Co(II)(Ch) ([Co(II)(ChH)](+)) that is produced by facile electron-transfer reduction of [Co(III)(ChH)](2+) by ferrocene derivative in the presence of HClO(4). co(iii) mitochondrially encoded cytochrome c oxidase II Homo sapiens
2 The detailed kinetic studies have revealed that the rate-determining step in the catalytic cycle is the proton-coupled electron transfer reduction of O(2) with the protonated Co(II)(Ch) ([Co(II)(ChH)](+)) that is produced by facile electron-transfer reduction of [Co(III)(ChH)](2+) by ferrocene derivative in the presence of HClO(4). co(iii) mitochondrially encoded cytochrome c oxidase II Homo sapiens
3 Such a positive shift of [Co(III)(Ch)](+) by protonation resulted in enhancement of the catalytic reactivity of [Co(III)(ChH)](2+) for the two-electron reduction of O(2) with a lower overpotential as compared with that of [Co(III)(OEP)](+). co(iii) mitochondrially encoded cytochrome c oxidase II Homo sapiens
4 Such a positive shift of [Co(III)(Ch)](+) by protonation resulted in enhancement of the catalytic reactivity of [Co(III)(ChH)](2+) for the two-electron reduction of O(2) with a lower overpotential as compared with that of [Co(III)(OEP)](+). co(iii) mitochondrially encoded cytochrome c oxidase II Homo sapiens
5 Such a positive shift of [Co(III)(Ch)](+) by protonation resulted in enhancement of the catalytic reactivity of [Co(III)(ChH)](2+) for the two-electron reduction of O(2) with a lower overpotential as compared with that of [Co(III)(OEP)](+). co(iii) mitochondrially encoded cytochrome c oxidase II Homo sapiens