Negative catalysis/non-Bell-Evans-Polanyi reactivity by metalloenzymes: Examples from mononuclear heme and non-heme iron oxygenases

SP de Visser, YT Lin, HS Ali, UK Bagha… - Coordination Chemistry …, 2021 - Elsevier
There are many examples in bioinorganic chemistry, where metalloenzymes produce
different reaction products than analogous biomimetic model complexes despite them …

A comprehensive insight into aldehyde deformylation: mechanistic implications from biology and chemistry

UK Bagha, JK Satpathy, G Mukherjee… - Organic & …, 2021 - pubs.rsc.org
Aldehyde deformylation is an important reaction in biology, organic chemistry and inorganic
chemistry and the process has been widely applied and utilized. For instance, in biology, the …

Electrocatalytic Atom Transfer Radical Addition with Turbocharged Organocopper (II) Complexes

M Naher, C Su, JR Harmer, CM Williams… - Inorganic …, 2023 - ACS Publications
The utility and scope of Cu-catalyzed halogen atom transfer chemistry have been exploited
in the fields of atom transfer radical polymerization and atom transfer radical addition, where …

Dioxygenase Chemistry in Nucleophilic Aldehyde Deformylations Utilizing Dicopper O2-Derived Peroxide Complexes

PK Hota, S Panda, H Phan, B Kim… - Journal of the …, 2024 - ACS Publications
The chemistry of copper-dioxygen complexes is relevant to copper enzymes in biology as
well as in (ligand) Cu–O2 (or Cu2–O2) species utilized in oxidative transformations. For …

A functional model for quercetin 2, 4-dioxygenase: Geometric and electronic structures and reactivity of a nickel (II) flavonolate complex

D Jeong, S Sun, D Moon, J Cho - Journal of Inorganic Biochemistry, 2022 - Elsevier
Abstract Quercetin 2, 4-dioyxgenase (QueD) has been known to catalyze the oxygenative
degradation of flavonoids and quercetin. Recent crystallographic study revealed a nickel ion …

Formation of cobalt–oxygen intermediates by dioxygen activation at a mononuclear nonheme cobalt (II) center

DD Malik, A Chandra, MS Seo, YM Lee… - Dalton …, 2021 - pubs.rsc.org
A mononuclear nonheme cobalt (II) complex,[(TMG3tren) CoII (OTf)](OTf)(1), activates
dioxygen in the presence of hydrogen atom donor substrates, such as tetrahydrofuran and …

Spectroscopic Evidence for a Cobalt-Bound Peroxyhemiacetal Intermediate

Y Son, K Kim, S Kim, GL Tripodi, A Pereverzev… - JACS Au, 2021 - ACS Publications
Aldehyde deformylation reactions by metal dioxygen adducts have been proposed to
involve peroxyhemiacetal species as key intermediates. However, direct evidence of such …

Amphoteric reactivity of a putative Cu (ii)-m CPBA intermediate

R Kumar, A Maji, B Biswas, A Draksharapu - Dalton Transactions, 2024 - pubs.rsc.org
In copper-based enzymes, Cu-hydroperoxo/alkylperoxo species are proposed as key
intermediates for their biological activity. A vast amount of literature is available on the …

Effect of Alkyl Groups on the Aerobic Peroxidation of Hydrocarbons Catalyzed by Cobalt (III) Alkylperoxo Complexes

Y Chen, G Chen, WL Man - European Journal of Inorganic …, 2022 - Wiley Online Library
The synthesis of various cobalt (III) complexes bearing a quaterpyridine ligand with different
alkylperoxo groups via an unconventional approach is reported. Under ambient conditions …