Articles with "cation radical" as a keyword



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Bis(ethylenedithio)tetrathiafulvalene Cation Radical Salts Composed of Nonuniform Silver(I) Complex Polyanions.

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Published in 2019 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.9b02814

Abstract: Rational control of the molecular arrangement in solids has been the subject of intense research for many years. In particular, the structural control of bis(ethylenedithio)tetrathiafulvalene (ET) radical cations has attracted special interest because of the… read more here.

Keywords: ethylenedithio tetrathiafulvalene; silver complex; radical salts; cation radical ... See more keywords
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Poly-p-hydroquinone Ethers: Isoenergetic Molecular Wires with Length-Invariant Oxidation Potentials and Cation Radical Excitation Energies.

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

DOI: 10.1021/jacs.7b01226

Abstract: Typical poly-p-phenylene wires are characterized by strong interchromophoric electronic coupling with redox and optical properties being highly length-dependent. Herein we show that an incorporation of a pair of para-methoxy groups at each p-phenylene unit in… read more here.

Keywords: invariant oxidation; potentials cation; length invariant; oxidation potentials ... See more keywords
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Cation Radical Accelerated Nucleophilic Aromatic Substitution via Organic Photoredox Catalysis.

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

DOI: 10.1021/jacs.7b10076

Abstract: Nucleophilic aromatic substitution (SNAr) is a direct method for arene functionalization; however, it can be hampered by low reactivity of arene substrates and their availability. Herein we describe a cation radical-accelerated nucleophilic aromatic substitution using… read more here.

Keywords: radical accelerated; nucleophilic aromatic; accelerated nucleophilic; aromatic substitution ... See more keywords

Direct C-H alkoxylation of BODIPY dyes via cation radical accelerated oxidative nucleophilic hydrogen substitution: a new route to building blocks for functionalized BODIPYs.

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Published in 2021 at "Chemical communications"

DOI: 10.1039/d0cc07961h

Abstract: Oxidative nucleophilic α-hydrogen substitution is a direct method for BODIPY functionalization. However, it was hampered by the low reactivity of BODIPYs toward weak nucleophiles. Herein, we develop a cation radical accelerated oxidative nucleophilic α-hydrogen substitution… read more here.

Keywords: cation radical; nucleophilic hydrogen; hydrogen substitution; oxidative nucleophilic ... See more keywords
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Aminium cation-radical catalysed selective hydration of (E)-aryl enynes.

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Published in 2021 at "Chemical communications"

DOI: 10.1039/d1cc02257a

Abstract: The hydration of carbon-carbon triple bonds is an important and atom economic synthetic transformation. Herein, we report a mild and selective method for the catalytic Markovnikov hydration of (E)-aryl enynes to the corresponding enones, mediated… read more here.

Keywords: aryl enynes; hydration aryl; radical catalysed; cation radical ... See more keywords
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Comparing the reactivity of an oxoiron(IV) cation radical and its oxoiron(V) tautomer towards C-H bonds.

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Published in 2023 at "Chemical communications"

DOI: 10.1039/d2cc07005g

Abstract: An oxoiron(IV) cation radical is generated upon two-electron oxidation of an iron(III) complex bearing an electron-rich methoxy substituted bTAML framework and thoroughly characterized via multiple spectroscopic techniques and density functional theory (DFT). Reactivity studies demonstrate… read more here.

Keywords: comparing reactivity; oxoiron; cation radical; oxoiron cation ... See more keywords
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Design, Synthesis, Electronic Properties, and X-ray Structural Characterization of Various Modified Electron-Rich Calixarene Derivatives and Their Conversion to Stable Cation Radical Salts

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Published in 2022 at "Molecules"

DOI: 10.3390/molecules27185994

Abstract: We have designed and synthesized electron-rich calixarene derivatives, which undergo reversible electrochemical oxidation in a well-accessible potential range that allows the ready preparation and isolation of the corresponding cation radicals. Preparation of mono- or tetra-radical… read more here.

Keywords: rich calixarene; calixarene derivatives; cation radical; radical salts ... See more keywords