Articles with "dual photoredox" as a keyword



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Nickel Dual Photoredox Catalysis for the Synthesis of Aryl Amines

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Published in 2018 at "Organometallics"

DOI: 10.1021/acs.organomet.8b00121

Abstract: In this work, a new dual photoredox nickel catalysis system has been utilized for the synthesize of aryl amines. Previously, our group has shown that a nickel catalyst in conjunction with a photosensitizer and a… read more here.

Keywords: system; dual photoredox; catalysis; photoredox ... See more keywords
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Ti(OiPr)4-Enabled Dual Photoredox and Nickel-Catalyzed Arylation and Alkenylation of Cyclopropanols.

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Published in 2021 at "Organic letters"

DOI: 10.1021/acs.orglett.1c01795

Abstract: Readily available from esters or ketones, cyclopropanols are inclined to undergo diverse ring-opening transformations. Their one-electron oxidation is a conventional way to β-carbonyl radicals. However, despite this fact, their application as a coupling partner in… read more here.

Keywords: photoredox nickel; oipr enabled; nickel catalyzed; dual photoredox ... See more keywords
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Selective Three-Component 1,2-Aminoalkoxylation of 1-Aryl-1,3-dienes by Dual Photoredox and Copper Catalysis.

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Published in 2022 at "Organic letters"

DOI: 10.1021/acs.orglett.2c03124

Abstract: A three-component 1,2-aminooxygenation reaction of 1,3-dienes by dual photoredox and copper catalysis is described. This protocol uses N-aminopyridinium salts as N-centered radical precursors and nucleophilic alcohols as oxygen sources, providing modular and practical access to… read more here.

Keywords: dual photoredox; three component; dienes dual; photoredox copper ... See more keywords
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PCET-Mediated Ring-Opening Alkenylation of Cycloalkanols via Dual Photoredox and Cobalt Catalysis.

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Published in 2022 at "Organic letters"

DOI: 10.1021/acs.orglett.2c03894

Abstract: The construction of molecular skeletons and modification of molecules using widely available and easily prepared alcohols as radical precursors for coupling reactions are significant and challenging subjects. We herein report a straightforward strategy for the… read more here.

Keywords: opening alkenylation; cobalt catalysis; dual photoredox; alkenylation cycloalkanols ... See more keywords
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Dual photoredox and nickel-catalyzed desymmetric C–O coupling reactions: visible light-mediated enantioselective synthesis of 1,4-benzodioxanes

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Published in 2018 at "Organic chemistry frontiers"

DOI: 10.1039/c8qo00805a

Abstract: 1,4-Benzodioxane widely exists as the core structure in many therapeutic agents and bioactive natural compounds. Hence, to access this kind of molecule, an enantioselective desymmetric C–O cross coupling reaction has been developed through dual visible… read more here.

Keywords: photoredox nickel; catalyzed desymmetric; dual photoredox; visible light ... See more keywords
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Enantioselective reductive allylic alkylation enabled by dual photoredox/palladium catalysis.

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Published in 2023 at "Chemical communications"

DOI: 10.1039/d2cc06705f

Abstract: A dual photoredox/palladium catalyzed regio- and enantioselective reductive cross-coupling of allylic acetates with tertiary/secondary alkyl bromides has been achieved, and Hantzsch ester is used as a homogeneous organic reductant. This straightforward protocol enables the stereoselective… read more here.

Keywords: reductive allylic; photoredox palladium; dual photoredox; enantioselective reductive ... See more keywords
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Open-air green-light-driven ATRP enabled by dual photoredox/copper catalysis

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Published in 2022 at "Chemical Science"

DOI: 10.1039/d2sc04210j

Abstract: Photoinduced atom transfer radical polymerization (photo-ATRP) has risen to the forefront of modern polymer chemistry as a powerful tool giving access to well-defined materials with complex architecture. However, most photo-ATRP systems can only generate radicals… read more here.

Keywords: photoredox; dual photoredox; photoredox copper; copper catalysis ... See more keywords
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Dual Photoredox/Palladium-Catalyzed C–H Acylation of 2-Arylpyridines with Oxime Esters

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Published in 2020 at "Synlett"

DOI: 10.1055/s-0040-1707252

Abstract: An unprecedented dual photoredox/palladium-catalyzed iminyl-radical-mediated C–C bond cleavage and directed ortho C–H acylation of 2-arylpyridines by using oxime esters is described. Oxime esters can serve as efficient acyl sources through formation of the corresponding acyl… read more here.

Keywords: dual photoredox; oxime esters; palladium catalyzed; acylation arylpyridines ... See more keywords