Identification of atomically dispersed Fe-oxo species as new active sites in HZSM-5 for efficient non-oxidative methane dehydroaromatization
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Catalysis"
DOI: 10.1016/j.jcat.2021.02.028
Abstract: Abstract Non-oxidative methane dehydroaromatization (MDA) provides a promising and efficient technology for the valorization of huge amount of CH4 resources. Fe-based HZSM-5 zeolite as the second most researched catalyst system for MDA, however, commonly showed… read more here.
Keywords: non oxidative; oxo species; oxidative methane; catalyst ... See more keywords
Visible light generation of high-valent metal-oxo intermediates and mechanistic insights into catalytic oxidations.
Sign Up to like & getrecommendations! Published in 2020 at "Journal of inorganic biochemistry"
DOI: 10.1016/j.jinorgbio.2020.111246
Abstract: High-valent metal-oxo complexes play central roles as active oxygen atom transfer (OAT) agents in many enzymatic and synthetic oxidation catalysis. This review focuses on our recent advances in application of photochemical approaches to probe the… read more here.
Keywords: oxo species; oxo; valent metal; high valent ... See more keywords
Direct oxidation of methane to methanol on single-site copper-oxo species of copper porphyrin functionalized graphene: A DFT study
Sign Up to like & getrecommendations! Published in 2017 at "Molecular Catalysis"
DOI: 10.1016/j.mcat.2017.01.018
Abstract: Abstract In this work, we discuss the study of large macro-cyclic molecules, copper porphyrins (CuP), as the single-site active metal center for the methane catalytic oxidation. This work shows that single-site active metal center (metal-oxo… read more here.
Keywords: oxo species; oxidation; graphene; single site ... See more keywords
Enhanced Oxidation of Organic Contaminants by Iron(II)-Activated Periodate: The Significance of High-Valent Iron-Oxo Species.
Sign Up to like & getrecommendations! Published in 2021 at "Environmental science & technology"
DOI: 10.1021/acs.est.1c00375
Abstract: Potassium periodate (PI, KIO4) was readily activated by Fe(II) under acidic conditions, resulting in the enhanced abatement of organic contaminants in 2 min, with the decay ratios of the selected pollutants even outnumbered those in… read more here.
Keywords: oxo species; organic contaminants; high valent; iron oxo ... See more keywords
Nitrogen Vacancy-Modulated Peroxymonosulfate Nonradical Activation for Organic Contaminant Removal via High-Valent Cobalt-Oxo Species.
Sign Up to like & getrecommendations! Published in 2022 at "Environmental science & technology"
DOI: 10.1021/acs.est.2c01913
Abstract: Rapid generation of high-valent cobalt-oxo species (Co(IV)═O) for the removal of organic contaminants has been challenging because of the low conversion efficiency of Co(III)/Co(II) and the high activation energy barrier of the Co(II)-oxidant complex. Herein,… read more here.
Keywords: oxo species; cobalt; contaminant removal; cobalt oxo ... See more keywords
High-Spin Mn(V)-Oxo Intermediate in Nonheme Manganese Complex-Catalyzed Alkane Hydroxylation Reaction: Experimental and Theoretical Approach.
Sign Up to like & getrecommendations! Published in 2019 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.9b02543
Abstract: Mononuclear nonheme manganese complexes are highly efficient catalysts in the catalytic oxidation of hydrocarbons by hydrogen peroxide in the presence of carboxylic acids. Although high-valent Mn(V)-oxo complexes have been proposed as the active oxidants that… read more here.
Keywords: hydroxylation; spin; oxo species; spin state ... See more keywords
Catalytic Oxidation of Water with High-Spin Iron(IV)–Oxo Species: Role of the Water Solvent
Sign Up to like & getrecommendations! Published in 2017 at "ACS Catalysis"
DOI: 10.1021/acscatal.7b00568
Abstract: We use density functional theory (DFT) and ab initio molecular dynamics to study the conversion of H2O into H2O2 in water solution by the FeIVO2+ group under room-temperature and -pressure conditions. We compute the free… read more here.
Keywords: high spin; oxo species; water; iron oxo ... See more keywords
Can you break the oxo-wall? A multiconfigurational perspective.
Sign Up to like & getrecommendations! Published in 2022 at "Faraday discussions"
DOI: 10.1039/d1fd00072a
Abstract: The concept of the "oxo-wall" was conceived about 60 years ago by Harry B. Gray, and has been found to be related to the non-existence of high-valent M-oxo species in the +IV oxidation state in… read more here.
Keywords: coiii; break oxo; oxo species; coiv coiii ... See more keywords
Enzymatic Control over Reactive Intermediates Enables Direct Oxidation of Alkenes to Carbonyls by a P450 Iron-Oxo Species
Sign Up to like & getrecommendations! Published in 2022 at "Journal of the American Chemical Society"
DOI: 10.26434/chemrxiv-2022-6lpjf
Abstract: The aerobic oxidation of alkenes to carbonyls is an important and challenging transformation in synthesis. Recently, a new P450-based enzyme (aMOx) has been evolved in the laboratory to directly oxidize styrenes to their corresponding aldehydes… read more here.
Keywords: oxidation alkenes; oxo species; iron oxo; control ... See more keywords