2022
DOI: 10.1039/d2ra01930b
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Visible-light-promoted and chlorophyll-catalyzed aerobic desulfurization of thioamides to amides

Abstract: A visible-light-promoted desulfurization of thioamides to amides is reported. Natural pigment chlorophyll is used as a photosensitizer to generate singlet molecular oxygen 1O2 as oxidants.

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Cited by 4 publications
(2 citation statements)
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“…While visible light photoredox reactions involving thioketones, thioamides, and benzothioates mainly afforded desulfurization products [67,68] and heterocyclic compounds such as thiazoles [69] and thiadiazoles, [70,71] the current section will highlight the handful of transformations harnessing C=S containing compounds to form C-centered radicals, such as xanthates and Nhydroxy-2-thiopyridones.…”
Section: Radical Precursors Involving C=s Functional Groupsmentioning
confidence: 99%
“…While visible light photoredox reactions involving thioketones, thioamides, and benzothioates mainly afforded desulfurization products [67,68] and heterocyclic compounds such as thiazoles [69] and thiadiazoles, [70,71] the current section will highlight the handful of transformations harnessing C=S containing compounds to form C-centered radicals, such as xanthates and Nhydroxy-2-thiopyridones.…”
Section: Radical Precursors Involving C=s Functional Groupsmentioning
confidence: 99%
“…Recently, Cheng and co-workers demonstrated the photocatalytic aerobic desulfurization of thioamides under visible light (Scheme 17). 46 The reaction protocol discussed herein provides an environmentally friendly, mild, convenient strategy for the synthesis of amides.…”
Section: Organic and Biomolecular Chemistry Reviewmentioning
confidence: 99%