3d metal complexes in T-shaped geometry as a gateway to metalloradical reactivity

JC Ott, D Bürgy, H Guan, LH Gade - Accounts of Chemical …, 2022 - ACS Publications
Conspectus Low-valent, low-coordinate 3d metal complexes represent a class of
extraordinarily reactive compounds that can act as reagents and catalysts for challenging …

Ligand-based redox: catalytic applications and mechanistic aspects

K Singh, A Kundu, D Adhikari - ACS Catalysis, 2022 - ACS Publications
For the last few decades, coordination chemists have seen many ligands whose role
pervades far beyond being a supporting ancillary. The ambiguity in their electronic structure …

Generation and Aerobic Oxidative Catalysis of a Cu (II) Superoxo Complex Supported by a Redox-Active Ligand

ME Czaikowski, AJ McNeece, JN Boyn… - Journal of the …, 2022 - ACS Publications
Cu systems feature prominently in aerobic oxidative catalysis in both biology and synthetic
chemistry. Metal ligand cooperativity is a common theme in both areas as exemplified by …

Electrocatalytic semihydrogenation of terminal alkynes using ligand-based transfer of protons and electrons

ME Czaikowski, SW Anferov, AP Tascher… - Journal of the …, 2024 - ACS Publications
Alkyne semihydrogenation is a broadly important transformation in chemical synthesis.
Here, we introduce an electrochemical method for the selective semihydrogenation of …

Cobalt-Catalyzed Hydrogenation Reactions Enabled by Ligand-Based Storage of Dihydrogen

SW Anferov, AS Filatov, JS Anderson - ACS catalysis, 2022 - ACS Publications
The use of supporting ligands that can store either protons or electrons has emerged as a
powerful strategy in catalysis. While these strategies are potent individually, natural systems …

Chemical and Redox Noninnocence of Pentane-2,4-dione Bis(S-methylisothiosemicarbazone) in Cobalt Complexes and Their Application in Wacker-Type Oxidation

V Porte, MNM Milunovic, U Knof, T Leischner, T Danzl… - JACS Au, 2024 - ACS Publications
Cobalt complexes with multiproton-and multielectron-responsive ligands are of interest for
challenging catalytic transformations. The chemical and redox noninnocence of pentane-2 …

Selective Cobalt-Mediated Formation of Hydrogen Peroxide from Water under Mild Conditions via Ligand Redox Non-Innocence

SW Anferov, JN Boyn, DA Mazziotti… - Journal of the American …, 2024 - ACS Publications
Despite the broad importance of hydrogen peroxide (H2O2) in oxidative transformations,
there are comparatively few viable routes for its production. The majority of commercial …

Oxygen transfer reactivity mediated by nickel perfluoroalkyl complexes using molecular oxygen as a terminal oxidant

S Deolka, R Govindarajan, E Khaskin… - Chemical …, 2023 - pubs.rsc.org
Nickel perfluoroethyl and perfluoropropyl complexes supported by naphthyridine-type
ligands show drastically different aerobic reactivity from their trifluoromethyl analogs …

Room-Temperature Aerobic C–CN Bond Activation in Nickel (II) Cyanomethyl Dicarboranyl Complex

MJ Islam, KC Park, OM Manley, MD Smith… - …, 2023 - ACS Publications
We report the synthesis and characterization of a nickel (II) complex of the dicarboranyl CNC
dianionic pincer ligand, which activates acetonitrile by C–C bond cleavage. Deprotonation …

The curious cases of tetrahydrosalen-type ligands interacting with Ni (ii): structures and ligand-based oxidation reactions

V Xu, B Pandey, JPID Jayawardhena, JA Krause… - Dalton …, 2023 - pubs.rsc.org
This work centers around the nickel complexes derived from two tetrahydrosalen-type
proligands: N, N′-bis (2-hydroxybenzyl)-o-phenylenediamine (H2salophan) and N, N′-bis …