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Two-Coordinate Iron(I) Complex [Fe{N(SiMe3)2}2]−: Synthesis, Properties, and Redox Activity
Ist Teil von
Angewandte Chemie International Edition, 2015-01, Vol.54 (1), p.245-248
Auflage
International ed. in English
Ort / Verlag
Weinheim: WILEY-VCH Verlag
Erscheinungsjahr
2015
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
First‐row two‐coordinate complexes are attracting much interest. Herein, we report the high‐yield isolation of the linear two‐coordinate iron(I) complex salt [K(L)][Fe{N(SiMe3)2}2] (L=18‐crown‐6 or crypt‐222) through the reduction of either [Fe{N(SiMe3)2}2] or its three‐coordinate phosphine adduct [Fe{N(SiMe3)2}2(PCy3)]. Detailed characterization is gained through X‐ray diffraction, variable‐temperature NMR spectroscopy, and magnetic susceptibility studies. One‐ and two‐electron oxidation through reaction with I2 is further found to afford the corresponding iodo iron(II) and diiodo iron(III) complexes.
I, II, III, Iron: The linear two‐coordinate iron(I) complex [Fe{N(SiMe3)2}2]− is isolated in high yield through the reduction of either [Fe{N(SiMe3)2}2] or [Fe{N(SiMe3)2}2(PCy3)]. One‐ and two‐electron oxidation by reaction with I2 affords the corresponding iodo iron(II) and diiodo iron(III) complexes.