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Aufgrund der starken π‐Acidität der zwölf CO‐Liganden in [Fe4(μ4‐N)(CO)12]− ist das interstitielle Nitrid nicht reaktiv. In ihrer Zuschrift auf S. 13241 zeigen J. S. Figueroa et al., dass durch den Austausch von vier CO‐Liganden durch elektronenschiebende m‐Terphenylisocyanide (Turbinen) das Nitrid zum reaktiven Nucleophil wird (Glühbirne) und Reaktionen mit Elektrophilen (Motten) zu einer Cluster‐Erweiterung...
Multimetallic clusters have long been investigated as molecular surrogates for reactive sites on metal surfaces. In the case of the μ4‐nitrido cluster [Fe4(μ4‐N)(CO)12]−, this analogy is limited owing to the electron‐withdrawing effect of carbonyl ligands on the iron nitride core. Described here is the synthesis and reactivity of [Fe4(μ4‐N)(CO)8(CNArMes2)4]−, an electron‐rich analogue of [Fe4(μ4‐N)(CO)...
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