Enabling Nucleophilic Reactivity in High-Spin Fe (II) Imido Complexes: From Elementary Steps to Cooperative Catalysis

Y Gao, JM Smith - Accounts of Chemical Research, 2023 - ACS Publications
Conspectus Transition metal complexes featuring an M═ NR bond have received great
attention as critical intermediates in the synthesis of nitrogen-containing compounds. In …

Synthesis, structure, and C–H bond activation reaction of an iron (IV) terminal imido complex bearing trifluoromethyl groups

Q Liu, L Long, P Ma, Y Ma, X Leng, J Xiao… - Cell Reports Physical …, 2021 - cell.com
Iron terminal imido species featuring electron-withdrawing N-substituents represent an
important category of reactive metal-ligand-multiple-bond intermediates in iron-catalyzed …

A Two-Coordinate iron (II) imido complex with NHC ligation: Synthesis, characterization, and its diversified reactivity of nitrene transfer and C–H bond activation

J Cheng, J Liu, X Leng, T Lohmiller… - Inorganic …, 2019 - ACS Publications
Iron terminal imido species are typically implicated as reaction intermediates in iron-
catalyzed transformations. While a large body of work has been devoted to mid-and high …

Alkali metal ions dictate the structure and reactivity of an iron (II) imido complex

Y Gao, M Pink, JM Smith - Journal of the American Chemical …, 2022 - ACS Publications
The presence of redox innocent metal ions has been proposed to modulate the reactivity of
metal ligand multiple bonds; however, insight from structure/function relationships is limited …

Stabilization of a high-spin three-coordinate Fe (III) imidyl complex by radical delocalization

PC Yang, KP Yu, CT Hsieh, J Zou, CT Fang, HK Liu… - Chemical …, 2022 - pubs.rsc.org
High-spin, late transition metal imido complexes have attracted significant interest due to
their group transfer reactivity and catalytic C–H activation of organic substrates. Reaction of …

High-spin iron imido complexes competent for C–H bond amination

MJT Wilding, DA Iovan, TA Betley - Journal of the American …, 2017 - ACS Publications
Reduction of previously reported (ArL) FeCl with potassium graphite furnished a low-spin
(S= 1/2) iron complex (ArL) Fe which features an intramolecular η6-arene interaction and …

Catalytic C− H bond amination from high-spin iron imido complexes

ER King, ET Hennessy, TA Betley - Journal of the American …, 2011 - ACS Publications
Dipyrromethene ligand scaffolds were synthesized bearing large aryl (2, 4, 6-Ph3C6H2,
abbreviated Ar) or alkyl (t Bu, adamantyl) flanking groups to afford three new disubstituted …

Catalytic carbodiimide guanylation by a nucleophilic, high spin iron (II) imido complex

Y Gao, V Carta, M Pink, JM Smith - Journal of the American …, 2021 - ACS Publications
Reduction of the three-coordinate iron (III) imido [Ph2B (t BuIm) 2Fe═ NDipp](1) affords
[Ph2B (t BuIm) 2Fe═ NDipp][K (18-C-6) THF2](2), a rare example of a high-spin (S= 2) iron …

Evidence for Reagent-Induced Spin-State Switching in Tripodal Fe (II) Iminopyridine Complexes

TJ Ozumerzifon, RF Higgins, JP Joyce… - Inorganic …, 2019 - ACS Publications
We present evidence of a spin-state change that accompanies desilylation reactions
performed on two related Fe (II) iminopyridine coordination complexes. To probe these …

Imido complexes of groups 8–10 active in nitrene transfer reactions

C Damiano, P Sonzini, A Caselli, E Gallo - Advances in Organometallic …, 2021 - Elsevier
Metal imido complexes, generally indicated as L n Mdouble bondNR, are considered key-
intermediates in nitrene transfer reactions, which are efficient and atom-economic …