Articles with "outer sphere" as a keyword



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Reductive Outer-Sphere Single Electron Transfer Is an Exception Rather than the Rule in Natural and Engineered Chlorinated Ethene Dehalogenation.

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Published in 2017 at "Environmental science & technology"

DOI: 10.1021/acs.est.7b01447

Abstract: Chlorinated ethenes (CEs) such as perchloroethylene, trichloroethylene and dichloroethylene are notorious groundwater contaminants. Although reductive dehalogenation is key to their environmental and engineered degradation, underlying reaction mechanisms remain elusive. Outer-sphere reductive single electron transfer (OS-SET)… read more here.

Keywords: dehalogenation; single electron; isotope; outer sphere ... See more keywords
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IrIII/NiII-Metallaphotoredox-Catalyzed Enantioselective Decarboxylative Arylation of α-Amino Acids: Theoretical Insight of Enantio-Determining Outer-Sphere Reductive Elimination.

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Published in 2022 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.2c01387

Abstract: The IrIII/NiII-metallaphotoredox-catalyzed enantioselective decarboxylative arylation of α-amino acids has been systematically investigated using density functional theory calculations. The combination of oxidative quenching (IrIII-*IrIII-IrIV-IrIII) or reductive quenching (IrIII-*IrIII-IrII-IrIII) cycle with the nickel catalytic cycle (NiII-NiI-NiIII-NiII) is… read more here.

Keywords: outer sphere; iriii niii; sphere reductive; iriii ... See more keywords
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Switching between Inner- and Outer-Sphere PCET Mechanisms of Small-Molecule Activation: Superoxide Dismutation and Oxygen/Superoxide Reduction Reactivity Deriving from the Same Manganese Complex.

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Published in 2017 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.6b08394

Abstract: Readily exchangeable water molecules are commonly found in the active sites of oxidoreductases, yet the overwhelming majority of studies on small-molecule mimics of these enzymes entirely ignores the contribution of water to the reactivity. Studies… read more here.

Keywords: oxygen superoxide; water; small molecule; outer sphere ... See more keywords
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Unified Mechanism of Oxygen Atom Transfer and Hydrogen Atom Transfer Reactions with a Triflic Acid-Bound Nonheme Manganese(IV)-Oxo Complex via Outer-Sphere Electron Transfer.

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Published in 2019 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.8b12935

Abstract: Outer-sphere electron transfer from styrene, thioanisole, and toluene derivatives to a triflic acid (HOTf)-bound nonheme Mn(IV)-oxo complex, [(N4Py)MnIV(O)]2+-(HOTf)2 (N4Py = N, N-bis(2-pyridylmethyl)- N-bis(2-pyridyl)methylamine), has been shown to be the rate-determining step of different types of… read more here.

Keywords: atom transfer; outer sphere; sphere electron; electron transfer ... See more keywords
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Inner to outer-sphere coordination of plutonium(iv) with N,N-dialkyl amide: influence of nitric acid.

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Published in 2017 at "Dalton transactions"

DOI: 10.1039/c7dt00031f

Abstract: N,N-Dialkylamides are extensively studied as alternative organic ligands to achieve the extraction and separation of uranium(vi) and plutonium(iv). We report here the coordination structures of the plutonium(iv) ion with N,N-di(2-ethylhexyl)-n-butanamide as a function of nitric… read more here.

Keywords: nitric acid; coordination; outer sphere; inner outer ... See more keywords
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Mechanism of atom economical conversion of alcohols and amines to amides using Fe(ii) pincer catalyst. An outer-sphere metal–ligand pathway or an inner-sphere elimination pathway?

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Published in 2019 at "RSC Advances"

DOI: 10.1039/c9ra03309b

Abstract: The schematic representation depicting the difference in inner and outer-sphere pathways for amide synthesis from alcohols and amines mediated by Fe(ii) hydride complex. read more here.

Keywords: inner; outer sphere; alcohols amines; mechanism atom ... See more keywords
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Spin transitions in ferric catecholate complexes mediated by outer-sphere counteranions.

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Published in 2022 at "Dalton transactions"

DOI: 10.1039/d2dt01207c

Abstract: A family of ionic ferric catecholate complexes 1-4 bearing a disubstituted 3,6-di-tert-butyl-catecholate ligand (3,6-DBCatH2) and tetradentate tris(2-pyridylmethyl)amine (TPA) was prepared and its spin transitions were investigated. Variation of the outer-sphere counteranions (PF6, BPh4, ClO4, BF4)… read more here.

Keywords: catecholate; outer sphere; sphere counteranions; spin transitions ... See more keywords