2018
DOI: 10.1002/ange.201712235
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Durch zwei Liganden ermöglichte nicht‐dirigierte C‐H‐Olefinierung von Arenen

Abstract: Die klassischeP d-katalysierte oxidative C-H-Olefinierung von Arenen, auchbekannt als die Fujiwara-Moritani-Reaktion, ist durch die Notwendigkeit von dirigierenden Gruppen am Substrat oder des Einsatzesdes Arens im großen Überschuss,t ypischerweise als (Ko-)Lçsungsmittel, eingeschränkt. Hier beschreiben wir die Entwicklung eines Katalysatorsystems,d as durchd as Zusammenwirken von zwei komplementären Liganden erstmals die Nutzung von Arenen ohne dirigierende Gruppen als limitierendes Reagenz ermçglicht. Die Re… Show more

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Cited by 32 publications
(2 citation statements)
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“…On the other hand, the van Gemmeren group utilizes two complementary ligands N -Ac–Gly–OH and a 6-methylpyridine derivative in a 1 : 1 ratio to accomplish the non-directed olefination reaction of arenes ( Scheme 1b ). 20 Despite the indisputable advances made by these research groups in the area of non-directed oxidative C–H olefination of arenes, the use of superstoichiometric amounts of toxic and waste-generating oxidants (Ag salts) deciphers into a strong call for an environmentally responsive and atom-economic protocol. To address these shortcomings, we recently introduced Pd-photoredox catalysed olefination of non-directed arenes with excellent site selectivity under oxidant free conditions.…”
mentioning
confidence: 99%
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“…On the other hand, the van Gemmeren group utilizes two complementary ligands N -Ac–Gly–OH and a 6-methylpyridine derivative in a 1 : 1 ratio to accomplish the non-directed olefination reaction of arenes ( Scheme 1b ). 20 Despite the indisputable advances made by these research groups in the area of non-directed oxidative C–H olefination of arenes, the use of superstoichiometric amounts of toxic and waste-generating oxidants (Ag salts) deciphers into a strong call for an environmentally responsive and atom-economic protocol. To address these shortcomings, we recently introduced Pd-photoredox catalysed olefination of non-directed arenes with excellent site selectivity under oxidant free conditions.…”
mentioning
confidence: 99%
“…15 Since its development, a number of modified strategies have been reported by different research groups to address the issue of reactivity and selectivity. 16–21 In recent times, the ligand assisted oxidative C–H alkenylation of arenes without directing substituents has been established as one of the major strategies to overcome the reactivity issue and to elaborate the substrate scope.…”
mentioning
confidence: 99%