Search Results - "Fagnoni, Maurizio"

Generation of Alkyl Radicals: From the Tyranny of Tin to the Photon Democracy by Crespi, Stefano, Fagnoni, Maurizio

“…Alkyl radicals are key intermediates in organic synthesis. Their classic generation from alkyl halides has a severe drawback due to the employment of toxic tin…”
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Direct Photocatalyzed Hydrogen Atom Transfer (HAT) for Aliphatic C–H Bonds Elaboration by Capaldo, Luca, Ravelli, Davide, Fagnoni, Maurizio

“…Direct photocatalyzed hydrogen atom transfer (d-HAT) can be considered a method of choice for the elaboration of aliphatic C–H bonds. In this manifold, a…”
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Carbon–Carbon Bond Forming Reactions via Photogenerated Intermediates by Ravelli, Davide, Protti, Stefano, Fagnoni, Maurizio

“…The present review offers an overview of the current approaches for the photochemical and photocatalytic generation of reactive intermediates and their…”
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Decatungstate Anion for Photocatalyzed “Window Ledge” Reactions by Ravelli, Davide, Protti, Stefano, Fagnoni, Maurizio

“…The majority of organic reactions are commonly carried out inside a lab, under a fume hood. A particular case is that of photochemical reactions, a field where…”
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Site-Selective C–H Functionalization by Decatungstate Anion Photocatalysis: Synergistic Control by Polar and Steric Effects Expands the Reaction Scope by Ravelli, Davide, Fagnoni, Maurizio, Fukuyama, Takahide, Nishikawa, Tomohiro, Ryu, Ilhyong

“…The synergistic control of the SH2 transition states of hydrogen abstraction by polar and steric effects provides a promising strategy in achieving…”
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Visible Light Uranyl Photocatalysis: Direct C–H to C–C Bond Conversion by Capaldo, Luca, Merli, Daniele, Fagnoni, Maurizio, Ravelli, Davide

“…Uranyl nitrate hexahydrate performs as an efficient photocatalyst in the direct C–H to C–C bond conversion under blue light irradiation via hydrogen atom…”
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Asymmetric catalytic formation of quaternary carbons by iminium ion trapping of radicals by Murphy, John J., Bastida, David, Paria, Suva, Fagnoni, Maurizio, Melchiorre, Paolo

“…A combination of photoredox and asymmetric organic catalysis enables enantioselective radical conjugate additions to β,β-disubstituted cyclic enones to…”
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Wavelength Selective Generation of Aryl Radicals and Aryl Cations for Metal-Free Photoarylations by Crespi, Stefano, Protti, Stefano, Fagnoni, Maurizio

“…Photochemical reactions have become an important tool for organic chemists. Visible (solar) light can be conveniently adopted, however, only when using colored…”
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C(sp 3 )–H functionalizations of light hydrocarbons using decatungstate photocatalysis in flow by Laudadio, Gabriele, Deng, Yuchao, van der Wal, Klaas, Ravelli, Davide, Nuño, Manuel, Fagnoni, Maurizio, Guthrie, Duncan, Sun, Yuhan, Noël, Timothy

“…Using hydrocarbons as reagents Adding small alkyl groups to complex molecules usually relies on alkyl halide reagents. Laudadio et al. now report a convenient…”
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Photocatalysis for the Formation of the C−C Bond by Fagnoni, Maurizio, Dondi, Daniele, Ravelli, Davide, Albini, Angelo

“…Photocatalysis can be used as a tool to reduce the use of hazardous substances in producing a carbon-carbon bond. The photochemical reactions eliminate the…”
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Acyl Radicals from Acylsilanes: Photoredox-Catalyzed Synthesis of Unsymmetrical Ketones by Capaldo, Luca, Riccardi, Riccardo, Ravelli, Davide, Fagnoni, Maurizio

“…Acyl radicals were smoothly generated from acylsilanes under photoredox-catalyzed conditions. These radicals were formed upon ultraviolet B (UV-B), solar, or…”
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Photocatalytic CH Activation by Hydrogen-Atom Transfer in Synthesis by Protti, Stefano, Fagnoni, Maurizio, Ravelli, Davide

“…This minireview encompasses the most recent (since 2010) advancements in the field of photocatalytic hydrogen‐atom transfer (HAT) processes for CH bond…”
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A Visible‐Light‐Driven, Metal‐free Route to Aromatic Amides via Radical Arylation of Isonitriles by Malacarne, Marco, Protti, Stefano, Fagnoni, Maurizio

“…The photochemical metal‐free carboamidation of aryl radicals has been exploited for the preparation of aromatic amides, including hetero‐ and polyaromatic…”
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Tuning the Thermal Isomerization of Phenylazoindole Photoswitches from Days to Nanoseconds by Simeth, Nadja A, Crespi, Stefano, Fagnoni, Maurizio, König, Burkhard

“…The growing interest in light-driven molecular switches and optical oscillators led to the development of molecules that are able to interconvert from a stable…”
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Vinylpyridines as Building Blocks for the Photocatalyzed Synthesis of Alkylpyridines by Capaldo, Luca, Fagnoni, Maurizio, Ravelli, Davide

“…The photocatalyzed addition of several hydrogen donors (ethers, aldehydes, alkanes, amides) onto vinylpyridines was achieved. This approach provided access to…”
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Recent Advances in Light-Induced Selenylation by Protti, Stefano, Fagnoni, Maurizio

“…Selenium-containing organic molecules have recently found a plethora of applications, ranging from organic synthesis to pharmacology and material sciences. In…”
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Selective C(sp3)−H Aerobic Oxidation Enabled by Decatungstate Photocatalysis in Flow by Laudadio, Gabriele, Govaerts, Sebastian, Wang, Ying, Ravelli, Davide, Koolman, Hannes F., Fagnoni, Maurizio, Djuric, Stevan W., Noël, Timothy

“…A mild and selective C(sp3)−H aerobic oxidation enabled by decatungstate photocatalysis has been developed. The reaction can be significantly improved in a…”
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Decatungstate Photocatalyzed Acylations and Alkylations in Flow via Hydrogen Atom Transfer by Bonassi, Filippo, Ravelli, Davide, Protti, Stefano, Fagnoni, Maurizio

“…A set of atom‐economical radical conjugate addition reactions of alkyl and acyl radicals onto electron‐poor olefins or diisopropyl azodicarboxylate has been…”
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Smooth Photocatalyzed Benzylation of Electrophilic Olefins via Decarboxylation of Arylacetic Acids by Capaldo, Luca, Buzzetti, Luca, Merli, Daniele, Fagnoni, Maurizio, Ravelli, Davide

“…Arylacetic acids were used as sources of benzyl radicals under tetrabutylammonium decatungstate photocatalyzed conditions for the benzylation of electron-poor…”
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Decatungstate-Photocatalyzed Si−H/C−H Activation in Silyl Hydrides: Hydrosilylation of Electron-Poor Alkenes by Qrareya, Hisham, Dondi, Daniele, Ravelli, Davide, Fagnoni, Maurizio

“…Tetrabutylammonium decatungstate has been used for the photocatalytic activation of the Si−H bond in trisubstituted silanes and applied for the hydrosilylation…”
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