1.
Angew Chem Int Ed Engl
; 54(25): 7336-9, 2015 Jun 15.
Artigo
em Inglês
| MEDLINE
| ID: mdl-25940278
RESUMO
Reaction of O2 with a high-spin mononuclear iron(II) complex supported by a five-azole donor set yields the corresponding mononuclear non-heme iron(III)-superoxo species, which was characterized by UV/Vis spectroscopy and resonance Raman spectroscopy. (1)Hâ NMR analysis reveals diamagnetic nature of the superoxo complex arising from antiferromagnetic coupling between the spins on the low-spin iron(III) and superoxide. This superoxo species reacts with H-atom donating reagents to give a low-spin iron(III)-hydroperoxo species showing characteristic UV/Vis, resonance Raman, and EPR spectra.
Assuntos
Azóis/química , Compostos Férricos/química , Oxigênio/química , Superóxidos/química , Cobalto/química , Ligantes , Modelos Moleculares
2.
Angew Chem Int Ed Engl
; 52(14): 3922-5, 2013 Apr 02.
Artigo
em Inglês
| MEDLINE
| ID: mdl-23440925