1 article(s) from Yakubov, Shahboz
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Selectivity of fluorination reactions.
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Different mechanisms of photocatalytic activation. Sub = substrate.
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Jablonski diagram showing visible-light-induced energy transfer pathways: a) absorption, b) IC, c) ...
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Schematic illustration of TTET.
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Organic triplet PSCats.
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Additional organic triplet PSCats.
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A) Further organic triplet PSCats and B) transition metal triplet PSCats.
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Different fluorination reagents grouped by generation.
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Synthesis of Selectfluor®.
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General mechanism of PS TTET C(sp3)–H fluorination.
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Selective benzylic mono- and difluorination using 9-fluorenone and xanthone PSCats, respectively.
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Chen’s photosensitized monofluorination: reaction scope.
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Chen’s photosensitized benzylic difluorination reaction scope.
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Photosensitized monofluorination of ethylbenzene on a gram scale.
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Substrate scope of Tan’s AQN-photosensitized C(sp3)–H fluorination.
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AQN-photosensitized C–H fluorination reaction on a gram scale.
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Reaction mechanism of the AQN-assisted fluorination.
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3D structures of the singlet ground and triplet excited states of Selectfluor®.
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Associated transitions for the activation of acetophenone by violet light.
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Ethylbenzene C–H fluorination with various PSCats and conditions.
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Effect of different PSCats on the C(sp3)–H fluorination of cyclohexane (39).
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Reaction scope of Chen’s acetophenone-photosensitized C(sp3)–H fluorination reaction.
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a) Site-selectivity of Chen’s acetophenone-photosensitized C–H fluorination reaction . b) Site-sele...
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Formation of the AQN–Selectfluor® exciplex Int1.
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Generation of the C3 2° pentane radical and the Selectfluor® N-radical cation from the exciplex.
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Hydrogen atom abstraction by the Selectfluor® N-radical cation from pentane to give the C3 2° penta...
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Fluorine atom transfer from Selectfluor® to the C3 2° pentane radical to yield 3-fluoropentane and ...
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Barrierless fluorine atom transfer from Int1 to the C3 2° pentane radical to yield 3-fluoropentane,...
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Ketone-directed C(sp3)–H fluorination.
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Ketone-directed fluorination through a 5- and a 6-membered transition state, respectively.
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Effect of different PSCats on the photosensitized C(sp3)–H fluorination of 47.
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Substrate scope of benzil-photoassisted C(sp3)–H fluorinations.
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A) Benzil-photoassisted enone-directed C(sp3)–H fluorination. B) Classification of the reaction mod...
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A) Xanthone-photoassisted ketal-directed C(sp3)–H fluorination. B) Substrate scope. C) C–H fluorina...
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Rationale for the selective HAT at the C2 C–H bond of galactose acetonide.
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Photosensitized C(sp3)–H benzylic fluorination of a peptide using different PSCats.
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Peptide scope of 5-benzosuberenone-photoassisted C(sp3)–H fluorinations.
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Continuous flow PS TTET monofluorination of 72.
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Photosensitized C–H fluorination of N-butylphthalimide as a PSX.
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Substrate scope and limitations of the PSX C(sp3)–H monofluorination.
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Substrate crossover monofluorination experiment.
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PS TTET mechanism proposed by Hamashima and co-workers.
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Photosensitized TFM of 78 to afford α-trifluoromethylated ketone 80.
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Substrate scope for photosensitized styrene TFM to give α-trifluoromethylated ketones.
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Control reactions for photosensitized TFM of styrenes.
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Reaction mechanism for photosensitized TFM of styrenes to afford α-trifluoromethylated ketones.
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Reaction conditions for TFMs to yield the cis- and the trans-product, respectively.
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Substrate scope of trifluoromethylated (E)-styrenes.
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Strategies toward trifluoromethylated (Z)-styrenes.
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Substrate scope of trifluoromethylated (Z)-styrenes.
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Reaction mechanism for photosensitized TFM of styrenes to afford E- or Z-products.
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Beilstein J. Org. Chem. 2020, 16, 2151–2192, doi:10.3762/bjoc.16.183
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