Well-defined organometallic Copper (III) complexes: Preparation, characterization and reactivity

H Liu, Q Shen - Coordination Chemistry Reviews, 2021 - Elsevier
Organocopper (III) species were generally considered as the key intermediates in a variety
of copper-catalyzed cross-coupling reactions, aerobic oxidations, as well as enzyme …

Copper–oxygen adducts: new trends in characterization and properties towards C–H activation

J De Tovar, R Leblay, Y Wang, L Wojcik… - Chemical …, 2024 - pubs.rsc.org
This review summarizes the latest discoveries in the field of C–H activation by copper
monoxygenases and more particularly by their bioinspired systems. This work first describes …

Combining valence-to-core x-ray emission and Cu k-edge x-ray absorption spectroscopies to experimentally assess oxidation state in organometallic Cu (I)/(II)/(III) …

BL Geoghegan, Y Liu, S Peredkov… - Journal of the …, 2022 - ACS Publications
A series of organometallic copper complexes in formal oxidation states ranging from+ 1 to+
3 have been characterized by a combination of Cu K-edge X-ray absorption (XAS) and Cu …

Oxidative Substitution of Organocopper (II) by a Carbon-Centered Radical

Y Weng, Y **, J Wu, X Leng, X Lou… - Journal of the …, 2024 - ACS Publications
Copper-catalyzed coupling reactions of alkyl halides are believed to prominently involve
copper (II) species and alkyl radicals as pivotal intermediates, with their exact interaction …

Cu4S Cluster in “0-Hole” and “1-Hole” States: Geometric and Electronic Structure Variations for the Active CuZ* Site of N2O Reductase

Y Liu, S Chatterjee, GE Cutsail III… - Journal of the …, 2023 - ACS Publications
The active site of nitrous oxide reductase (N2OR), a key enzyme in denitrification, features a
unique μ4-sulfido-bridged tetranuclear Cu cluster (the so-called CuZ or CuZ* site). Details of …

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 …

Unusual water oxidation mechanism via a redox-active copper polypyridyl complex

D den Boer, AI Konovalov, MA Siegler… - Inorganic …, 2023 - ACS Publications
To improve Cu-based water oxidation (WO) catalysts, a proper mechanistic understanding of
these systems is required. In contrast to other metals, high-oxidation-state metal–oxo …

Azide–Alkyne “Click” Reaction in Water Using Parts-Per-Million Amine-Functionalized Azoaromatic Cu (I) Complex as Catalyst: Effect of the Amine Side Arm

M Khatua, B Goswami, Kamal, S Samanta - Inorganic Chemistry, 2021 - ACS Publications
A series of Cu (II) complexes, 1–4 and 6, were synthesized through a reaction of amine-
functionalized pincer-like ligands, HL 1, 2, L a, b, and a bidentate ligand L 1 with CuCl2 …

Synthesis and Characterization of a Tetradentate, N-Heterocyclic Carbene Copper(II) Complex and Its Use as a Chan–Evans–Lam Coupling Catalyst

JD Cope, PE Sheridan, CJ Galloway… - …, 2020 - ACS Publications
Copper N-heterocyclic carbenes (NHCs) are an emerging area of focus for catalysis and
other applications. Using a straightforward methodology, a new and highly modifiable …

Fully Delocalized Mixed‐Valent Cu1.5Cu1.5 Complex: Strong Cu‐Cu interaction and Fast Electron Self‐Exchange Rate Despite Large Structural Changes**

Y Liu, SG Resch, H Chen, S Dechert… - Angewandte …, 2023 - Wiley Online Library
A flexible macrocyclic ligand with two tridentate {CNC} compartments can host two Cu ions
in reversibly interconvertible states, CuICuI (1) and mixed‐valent Cu1. 5Cu1. 5 (2). They …