Articles with "radical mediated" as a keyword



Radical‐Mediated Pyrolysis Engineering Multi‐Precursor Hard Carbons with Hierarchical Sodium Storage Architectures

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Published in 2025 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202523497

Abstract: Hard carbon with optimized sodium storage architecture is synthesized through radical‐mediated pyrolysis of low‐cost lignin/asphalt precursors. Spray‐drying followed by instantaneous low‐temperature crosslinking and anaerobic pyrolysis enables covalent C─O─C bridging between asphalt‐derived carbon radicals and lignin… read more here.

Keywords: pyrolysis; precursor; sodium storage; storage ... See more keywords

Chlorine Radical Mediated Deprotection of Aryl Ethers via Photocatalyzed Ligand‐to‐Metal Charge Transfer

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Published in 2025 at "Asian Journal of Organic Chemistry"

DOI: 10.1002/ajoc.202500423

Abstract: A photochemical FeCl3‐catalyzed the C(sp3)‐H activation of aryl ethers was achieved via hydrogen atom abstraction strategy of chlorine radicals. Followed by the tandem hydrolysis, the aryl ethers were converted into the corresponding phenol products (28… read more here.

Keywords: mediated deprotection; aryl; chlorine radical; aryl ethers ... See more keywords

A powerful approach to alkoxy radical-mediated remote C(sp3)–H bonds functionalization

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Published in 2018 at "Science China Chemistry"

DOI: 10.1007/s11426-018-9222-6

Abstract: The activation of inert C(sp)–H bonds with control of reactivity and selectivity is one of the central topics in chemical sciences. In this context, alkoxy radical-mediated 1,5hydrogen atom transfer allows the regioselective transformation of inert… read more here.

Keywords: powerful approach; alkoxy radicals; bond; chemistry ... See more keywords

Recent advances in radical-mediated [2+2+m] annulation of 1,n-enynes

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Published in 2019 at "Science China Chemistry"

DOI: 10.1007/s11426-019-9615-0

Abstract: 1,n-Enynes are a versatile class of unsaturated hydrocarbons that find broad applications in the synthetic community of natural products, biologically active structures and functional materials. Typical methods for the transformations of 1,n-enynes include the radical-mediated… read more here.

Keywords: annulation enynes; mediated annulation; radical mediated; advances radical ... See more keywords

Kinetics and mechanism of reactive radical mediated fluconazole degradation by the UV/chlorine process: Experimental and theoretical studies

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Published in 2020 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2020.126224

Abstract: Abstract The emerging organic contaminants can be effectively removed in the UV/chlorine process by produced hydroxyl radical (HO ) and chlorine-derived radicals (Cl , ClO , etc.). However, the degradation mechanism and pathways of reactive… read more here.

Keywords: reactive radical; degradation; chlorine process; radical mediated ... See more keywords

A chloride-radical-mediated electrochemical filtration system for rapid and effective transformation of ammonia to nitrogen.

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Published in 2019 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2019.04.180

Abstract: Water contamination from ammonia has recently became a global concern. Herein, a chloride-radical-mediated electrochemical filtration system has been developed towards effective and rapid conversion of ammonia to nitrogen (N2). This continuous-flow system consists of a… read more here.

Keywords: mediated electrochemical; electrochemical filtration; system; ammonia ... See more keywords

Synthesis of gem-Disulfonyl Enamines via an Iminyl-Radical-Mediated Formal 1,3-HAT/Radical Coupling Cascade.

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Published in 2022 at "Organic letters"

DOI: 10.1021/acs.orglett.2c02277

Abstract: We herein report the first example of an iminyl-radical-mediated formal 1,3-HAT/radical coupling cascade of vinyl azides leading to the synthesis of tetrasubstituted gem-disulfonyl enamines. It is possible to employ a variety of vinyl azides and… read more here.

Keywords: mediated formal; iminyl radical; hat radical; radical coupling ... See more keywords

Photoinduced Remote C(sp3)-H Imination Enabled by Vinyl Radical-Mediated 1,5-Hydrogen Atom Transfer.

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Published in 2023 at "Organic letters"

DOI: 10.1021/acs.orglett.3c00510

Abstract: A vinyl radical-mediated 1,5-hydrogen atom transfer strategy for remote C(sp3)-H imination under visible-light-induced photochemical metal-free conditions afforded diverse γ-imino alkenes with excellent stereoselectivity. Oxime ester-based bifunctional reagents provided not only nucleophilic alkyl radicals for radical… read more here.

Keywords: hydrogen atom; hydrogen; mediated hydrogen; atom transfer ... See more keywords

Radical-Mediated Heck-Type Alkylation: Stereoconvergent Synthesis of Functionalized Polyenes.

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Published in 2019 at "Organic letters"

DOI: 10.1021/acs.orglett.9b02838

Abstract: The stereospecific synthesis of polyenes is of great synthetic value. Disclosed herein is a new, efficient, stereoconvergent approach for the synthesis of functionalized polyenes via a radical-mediated Heck-type alkylation. The easily accessed Z- and E-mixed… read more here.

Keywords: synthesis functionalized; heck type; radical mediated; functionalized polyenes ... See more keywords
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Density Functional Theory Guide for an Allyl Monomer Polymerization Mechanism: Photoinduced Radical-Mediated [3 + 2] Cyclization

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Published in 2021 at "ACS Omega"

DOI: 10.1021/acsomega.1c00165

Abstract: Polymerization of allyl ether monomers has previously been considered a free-radical addition polymerization mechanism, but it is difficult to achieve because of the high electron density of their double bond. To interpret the mechanism of… read more here.

Keywords: allyl ether; mechanism; mediated cyclization; radical mediated ... See more keywords

Radical-Mediated Strategies for the Functionalization of Alkenes with Diazo Compounds.

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Published in 2020 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.0c05183

Abstract: One of the most common reactions of diazo compounds with alkenes is cyclopropanation that occurs through metal carbene or free carbene intermediates. Alternative functionalization of alkenes with diazo compounds is limited, and methodology for the… read more here.

Keywords: carbon; diazo compounds; radical mediated; alkenes diazo ... See more keywords