Abstract

The synthesis and reaction of homoleptic iron(II) complexes with 2,6-di-adamantyl-substituted aryloxides [OC 6H 2–2,6-Ad-4-R] − ([OAr AdR] −, Ad = adamantyl, R = Me, i Pr) are described. Monomeric two-coordinate iron aryloxides Fe(OAr AdR) 2 (R = Me, 1; i Pr, 2) were synthesized by the reaction of Fe[N(SiMe 3) 2] 2 with 2 equiv of HOAr AdR. Treatment of 1 and 2 with 1-azidoadamantane resulted in intramolecular insertion of an adamantyl nitrene into a methylene C–H bond of the aryloxide adamantyl substituent, yielding the corresponding amine–aryloxide complexes Fe(OAr AdR)(OAr AdR–NHAd) (R = Me, 3; i Pr, 4). Molecular structures of all these complexes are reported.

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