High-Valent Iron-Oxo Complexes as Dominant Species to Eliminate Pharmaceuticals and Chloride-Containing Intermediates by the Activation of Peroxymonosulfate Under Visible Irradiation
Sign Up to like & getrecommendations! Published in 2019 at "Catalysis Letters"
DOI: 10.1007/s10562-019-03047-4
Abstract: Abstract Generally, the sulfate (SO 4 · − ) and hydroxyl (HO · ) radicals are the dominant active species in most catalytic oxidation processes with peroxymonosulfate (PMS). However, the existence of various natural organic… read more here.
Keywords: iron; valent iron; high valent; iron oxo ... See more keywords
Synthesis, characterization, and reactivities of high valent metal–corrole (M = Cr, Mn, and Fe) complexes
Sign Up to like & getrecommendations! Published in 2019 at "Coordination Chemistry Reviews"
DOI: 10.1016/j.ccr.2019.213043
Abstract: Abstract For the first-row middle transition metals (Cr, Mn, and Fe), the formal oxidation states are relatively lower. However, biological systems in various enzymatic reactions rely extensively on the higher oxidation states of these first-row… read more here.
Keywords: oxidation; higher oxidation; metal; high valent ... See more keywords
Visible-light-assisted generation of high-valent iron-oxo species anchored axially on g-C3N4 for efficient degradation of organic pollutants
Sign Up to like & getrecommendations! Published in 2017 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2017.07.110
Abstract: Abstract As highly active species, in theory, hydroxyl radicals ( OH) can move freely and destroy almost all organic compounds, including catalysts with a conjugate structure. Therefore, a system that can generate oxidative species with… read more here.
Keywords: light assisted; visible light; generation; high valent ... See more keywords
Nonradical activation of peroxymonosulfate by hematite for oxidation of organic compounds: A novel mechanism involving high-valent iron species
Sign Up to like & getrecommendations! Published in 2021 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2021.130743
Abstract: Abstract Peroxymonosulfate (PMS) activated by Hematite (α-Fe2O3) was capable of degrading different organic compounds. Several lines of experimental evidence are presented which argue against the generation of radical species as well as singlet oxygen (1O2).… read more here.
Keywords: oxidation organic; spectroscopy; iron species; organic compounds ... See more keywords
Peroxymonosulfate activation by cobalt(II) for degradation of organic contaminants via high-valent cobalt-oxo and radical species.
Sign Up to like & getrecommendations! Published in 2021 at "Journal of hazardous materials"
DOI: 10.1016/j.jhazmat.2021.125679
Abstract: The reaction between Co(II) and PMS is an appealing advanced oxidation process (AOP), where multiple reactive oxidizing species (ROS) including high-valent cobalt-oxo [Co(IV)], sulfate radical (SO4•-), and hydroxy radical (•OH) are intertwined together for degrading… read more here.
Keywords: degradation; cobalt; cobalt oxo; organic contaminants ... 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
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-Valent Pyrazolate-Bridged Platinum Complexes: A Joint Experimental and Theoretical Study
Sign Up to like & getrecommendations! Published in 2022 at "Inorganic Chemistry"
DOI: 10.1021/acs.inorgchem.2c01441
Abstract: Complexes [{Pt(C^C*)(μ-pz)}2] (HC^C*A = 1-(4-(ethoxycarbonyl)phenyl)-3-methyl-1H-imidazol-2-ylidene 1a, HC^C*B = 1-phenyl-3-methyl-1H-imidazol-2-ylidene 1b) react with methyl iodide (MeI) at room temperature in the dark to give compounds [{PtIV(C^C*)Me(μ-pz)}2(μ-I)]I (C^C*A2a, C^C*B2b). The reaction of 1a with benzyl bromide (BnBr)… read more here.
Keywords: ptiii 2ptiii; valent pyrazolate; pyrazolate bridged; bridged platinum ... See more keywords
Back-Donation in High-Valent d0 Metal Complexes: Does It Exist? The Case of NbV.
Sign Up to like & getrecommendations! Published in 2017 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.7b01635
Abstract: In the last years, some N-heterocyclic carbene (NHC) complexes of high-valent d0 transition-metal halides have been structurally characterized, showing a significant short distance between the carbene carbon and the cis-halide ligands (Clax). Some authors attributed… read more here.
Keywords: back donation; case; metal; carbene ... See more keywords
Dimethylanilinic N-Oxides and Their Oxygen Surrogacy Role in the Formation of a Putative High-Valent Copper-Oxygen Species.
Sign Up to like & getrecommendations! Published in 2019 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.9b02066
Abstract: The reaction of p-cyano-N,N-dimethylaniline N-oxide, an O-atom donor, with different copper(I) complexes (at room temperature and in acetone) indicates the formation via O-atom transfer of a high-valent copper oxyl species, CuII-O•, a putative key intermediate… read more here.
Keywords: copper; formation; high valent; valent copper ... See more keywords