Copper–oxygen complexes revisited: structures, spectroscopy, and reactivity

CE Elwell, NL Gagnon, BD Neisen, D Dhar… - Chemical …, 2017 - ACS Publications
A longstanding research goal has been to understand the nature and role of copper–oxygen
intermediates within copper-containing enzymes and abiological catalysts. Synthetic …

Synthetic Fe/Cu complexes: toward understanding heme-copper oxidase structure and function

SM Adam, GB Wijeratne, PJ Rogler, DE Diaz… - Chemical …, 2018 - ACS Publications
Heme-copper oxidases (HCOs) are terminal enzymes on the mitochondrial or bacterial
respiratory electron transport chain, which utilize a unique heterobinuclear active site to …

Ligand–Copper(I) Primary O2-Adducts: Design, Characterization, and Biological Significance of Cupric–Superoxides

B Kim, KD Karlin - Accounts of Chemical Research, 2023 - ACS Publications
Conspectus In this Account, we overview and highlight synthetic bioinorganic chemistry
focused on initial adducts formed from the reaction of reduced ligand–copper (I) …

Oxygen activation by Cu LPMOs in recalcitrant carbohydrate polysaccharide conversion to monomer sugars

KK Meier, SM Jones, T Kaper, H Hansson… - Chemical …, 2017 - ACS Publications
Natural carbohydrate polymers such as starch, cellulose, and chitin provide renewable
alternatives to fossil fuels as a source for fuels and materials. As such, there is considerable …

Bracing copper for the catalytic oxidation of C–H bonds

L Ciano, GJ Davies, WB Tolman, PH Walton - Nature Catalysis, 2018 - nature.com
A structural unit found in the active site of some copper proteins, the histidine brace, is
comprised of an N-terminal histidine that chelates a single copper ion through its amino …

Identification of key structural features of the elusive Cu–Aβ complex that generates ROS in Alzheimer's disease

C Cheignon, M Jones, E Atrián-Blasco, I Kieffer… - Chemical …, 2017 - pubs.rsc.org
Oxidative stress is linked to the etiology of Alzheimer's disease (AD), the most common
cause of dementia in the elderly. Redox active metal ions such as copper catalyze the …

Interplay of electronic and geometric structure on Cu phenanthroline, bipyridine and derivative complexes, synthesis, characterization, and reactivity towards oxygen

AIB Romo, MP dos Reis, OR Nascimento… - Coordination Chemistry …, 2023 - Elsevier
Copper complexes are highly versatile species that find promising uses in broad fields such
as catalysis, drug design, and bioinorganic applications. However, copper complexes …

A versatile tripodal Cu (I) reagent for C–N bond construction via nitrene-transfer chemistry: catalytic perspectives and mechanistic insights on C–H aminations …

V Bagchi, P Paraskevopoulou, P Das… - Journal of the …, 2014 - ACS Publications
A CuI catalyst (1), supported by a framework of strongly basic guanidinato moieties,
mediates nitrene-transfer from PhI NR sources to a wide variety of aliphatic hydrocarbons …

Intramolecular hydrogen bonding enhances stability and reactivity of mononuclear cupric superoxide complexes

M Bhadra, JYC Lee, RE Cowley, S Kim… - Journal of the …, 2018 - ACS Publications
[(L) CuII (O2•–)]+(ie, cupric-superoxo) complexes, as the first and/or key reactive
intermediates in (bio) chemical Cu-oxidative processes, including in the monooxygenases …

Mechanistic dichotomy in proton-coupled electron-transfer reactions of phenols with a copper superoxide complex

WD Bailey, D Dhar, AC Cramblitt… - Journal of the American …, 2019 - ACS Publications
The kinetics and mechanism (s) of the reactions of [K (Krypt)][LCuO2](Krypt= 4, 7, 13, 16, 21,
24-hexaoxa-1, 10-diazabicyclo [8.8. 8] hexacosane, L= a bis (arylcarboxamido) pyridine …