Articles with "sodium sulfinates" as a keyword



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NaI-Catalyzed Oxidative Amination of Aromatic Sodium Sulfinates: Synergetic Effect of Ethylene Dibromide and Air as Oxidants

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Published in 2018 at "European Journal of Organic Chemistry"

DOI: 10.1002/ejoc.201801386

Abstract: A novel NaI-catalyzed oxidative amination of sodium sulfinates, employing both ethylene dibromide (EDB) and air as the oxidants, is described. EDB was first demonstrated to be a promising mild organic oxidant that in air, converted… read more here.

Keywords: nai catalyzed; oxidative amination; sodium; air ... See more keywords
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A novel synthesis of aryl methyl sulfones and β-hydroxysulfones from sodium sulfinates and di-tert-butyl peroxide in H2O medium

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Published in 2018 at "Tetrahedron Letters"

DOI: 10.1016/j.tetlet.2017.12.074

Abstract: Abstract A novel and convenient synthetic route for aryl methyl sulfones and β -hydroxysulfones was developed via the radical reaction between sodium sulfinates and di- tert -butyl peroxide (DTBP). Without any catalysts and additives, the… read more here.

Keywords: aryl methyl; sulfinates tert; methyl sulfones; sodium sulfinates ... See more keywords
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Efficient sulfonylation of ketones with sodium sulfinates for the synthesis of β-keto sulfones

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Published in 2018 at "Tetrahedron Letters"

DOI: 10.1016/j.tetlet.2018.09.049

Abstract: Abstract The oxidative sulfonylation of ketones with sodium sulfinates as the sulfone source and DMSO as the oxidant is reported. A series of β-keto sulfones were obtained in good to excellent yields. The advantages of… read more here.

Keywords: sodium sulfinates; sulfonylation ketones; ketones sodium; keto sulfones ... See more keywords
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Direct radical sulfonylation at α-C(sp3)-H of THF with sodium sulfinates in aqueous medium

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Published in 2019 at "Tetrahedron Letters"

DOI: 10.1016/j.tetlet.2019.02.021

Abstract: Abstract A direct transition-metal-free, convenient and highly regioselective synthesis of 2-alkyl/aryl sulfonyl tetrahydrofurans (THFs) has been achieved from THF and sodium sulfinates using K2S2O8 as a mild oxidant. This one-pot simple protocol involves an efficient… read more here.

Keywords: sodium sulfinates; aqueous medium; direct radical; thf sodium ... See more keywords
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Electrosynthesis of N-unsubstituted enaminosulfones from vinyl azides and sodium sulfinates mediated by NH4I

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Published in 2021 at "Tetrahedron Letters"

DOI: 10.1016/j.tetlet.2021.153436

Abstract: Abstract A wide range of N-unsubstituted enaminosulfones were obtained via electrochemical sulfonylation of vinyl azides with sulfonyl radicals generated from sodium sulfinates. The discovery of N-unsubstituted enaminosulfones synthesis is based on a unique ability of… read more here.

Keywords: azides sodium; electrosynthesis unsubstituted; enaminosulfones vinyl; unsubstituted enaminosulfones ... See more keywords
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Photocatalytic Defluorinative Three-Component Reaction of α-Trifluoromethyl Alkenes, Alkenes, and Sodium Sulfinates: Synthesis of Monofluorocyclopentenes.

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Published in 2022 at "Organic letters"

DOI: 10.1021/acs.orglett.2c02202

Abstract: A photocatalytic three-component reaction of α-trifluoromethyl alkenes, electron-rich alkenes, and sodium sulfinates for the synthesis of gem-difluoroalkenes in a radical/polar crossover manner was developed. Due to the strong electron-withdrawing nature of the sulfonyl group, the… read more here.

Keywords: trifluoromethyl alkenes; sodium sulfinates; component reaction; three component ... See more keywords
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Copper(II)-Catalyzed Alkene Aminosulfonylation with Sodium Sulfinates For the Synthesis of Sulfonylated Pyrrolidones.

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Published in 2019 at "Organic letters"

DOI: 10.1021/acs.orglett.9b00907

Abstract: A copper-catalyzed direct aminosulfonylation of unactivated alkenes with sodium sulfinates for the efficient synthesis of sulfonylated pyrrolidones is described. This reaction features good functional group tolerance and wide substrate scope, providing an efficient and straightforward… read more here.

Keywords: sulfonylated pyrrolidones; aminosulfonylation; sodium sulfinates; synthesis sulfonylated ... See more keywords
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Electrochemical Alkoxysulfonylation Difunctionalization of Styrene Derivatives Using Sodium Sulfinates as Sulfonyl Sources

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Published in 2019 at "ACS Omega"

DOI: 10.1021/acsomega.9b02442

Abstract: An eco-friendly method for the synthesis of β-alkoxy sulfones via electrochemical alkoxysulfonylation reaction of styrenes with sodium sulfinates as sulfonyl sources has been established. The reaction is conducted in an undivided cell at room temperature… read more here.

Keywords: sulfinates sulfonyl; sodium; sulfonyl sources; sodium sulfinates ... See more keywords
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Electro-oxidation induced O-S cross-coupling of quinoxalinones with sodium sulfinates for synthesizing 2-sulfonyloxylated quinoxalines.

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Published in 2022 at "Chemical communications"

DOI: 10.1039/d2cc04524a

Abstract: The functionalization of quinoxalinones is synthetically and biologically appealing, however, C2 functionalized quinoxalinones is not reported via environmentally friendly approach. Herein, we disclosed C2-O sulfonylation of quinoxalinones via our developed electrochemical oxidative O-S coupling strategy… read more here.

Keywords: sulfonyloxylated quinoxalines; sodium sulfinates; synthesizing sulfonyloxylated; electro oxidation ... See more keywords
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Heterogeneous Chitosan@copper Catalyzed Selective C(sp3)–H Sulfonylation of Ketone Hydrazones with Sodium Sulfinates: Direct Access to β-Ketosulfones

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Published in 2023 at "Catalysts"

DOI: 10.3390/catal13040726

Abstract: The exploration of inexpensive and stable heterogeneous catalysts for C–S coupling reactions remains a challenging issue. Herein, we successfully prepared a new biomass-derived copper catalyst and applied it to the selective C(sp3)–H-directed sulfonylation of ketone… read more here.

Keywords: copper; catalyst; sodium sulfinates; selective sp3 ... See more keywords
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Copper-Catalyzed Redox Coupling of Nitroarenes with Sodium Sulfinates

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Published in 2019 at "Molecules"

DOI: 10.3390/molecules24071407

Abstract: A simple copper-catalyzed redox coupling of sodium sulfinates and nitroarenes is described. In this process, abundant and stable nitroarenes serve as both the nitrogen sources and oxidants, and sodium sulfinates act as both reactants and… read more here.

Keywords: coupling nitroarenes; redox coupling; sodium sulfinates; catalyzed redox ... See more keywords