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Tuning the Regiospecificity of Cleavage in FeIII Catecholate Complexes: Tridentate Facial versus Meridional Ligands

2000; Wiley; Volume: 39; Issue: 23 Linguagem: Inglês

10.1002/1521-3773(20001201)39

1521-3773

Du-Hwan Jo, Lawrence Que,

Magnetism in coordination complexes

A facial tridentate ligand is a key feature of iron catecholate complexes that elicit extradiol cleavage of catechols (see picture). The facial geometry allows O2 and the catecholate dianion to form a tridentate intermediate on the opposite face. Accordingly, complexes of a meridional tridentate ligand do not elicit any extradiol cleavage but instead yield quinone or result in intradiol cleavage.