2018
DOI: 10.1002/anie.201712235
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Dual Ligand‐Enabled Nondirected C−H Olefination of Arenes

Abstract: The application of the Pd-catalyzed oxidative C-H olefination of arenes, also known as the Fujiwara-Moritani reaction, has traditionally been limited by the requirement for directing groups on the substrate or the need to use the arene in large excess, typically as a (co)solvent. Herein the development of a catalytic system is described that, through the combined action of two complementary ligands, makes it possible to use directing-group-free arenes as limiting reagents for the first time. The reactions proc… Show more

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Cited by 110 publications
(105 citation statements)
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“…This challenge is illustrated by the very limited reports on transition-metal-catalyzed C-H functionalization with arene as the limiting reagent. [43][44][45][46][47][48][49][50][51] In 2017, Yu and coworkers reported a palladium (Pd)catalyzed, pyridone-ligand-enabled Fujiwara-Moritani olefination reaction with arenes as limiting reagent. 43 Shortly thereafter, van Gemmeren reported the same transformation using a combination of a pyridine ligand and a mono-N-protected amino acid (MPAA) ligand.…”
Section: The Bigger Picturementioning
confidence: 99%
“…This challenge is illustrated by the very limited reports on transition-metal-catalyzed C-H functionalization with arene as the limiting reagent. [43][44][45][46][47][48][49][50][51] In 2017, Yu and coworkers reported a palladium (Pd)catalyzed, pyridone-ligand-enabled Fujiwara-Moritani olefination reaction with arenes as limiting reagent. 43 Shortly thereafter, van Gemmeren reported the same transformation using a combination of a pyridine ligand and a mono-N-protected amino acid (MPAA) ligand.…”
Section: The Bigger Picturementioning
confidence: 99%
“…[86,87] Die Yu-Gruppe erreichte dieses Ziel durch die Entwicklung eines neuen Pyridonliganden L8,d er den C-H-Aktivierungsschritt beschleunigt (Schema 11). [86,87] Die Yu-Gruppe erreichte dieses Ziel durch die Entwicklung eines neuen Pyridonliganden L8,d er den C-H-Aktivierungsschritt beschleunigt (Schema 11).…”
Section: Yu Et Al Berichteten 2014 Von Einer Rh-katalysierten Aren-unclassified
“…[87] Die N-Acetylaminosäure und das 6-Methylpyridinderivat L9 bilden in situ vermutlich einen 1:1:1-Komplex mit Palladium und ermçglichen so die Kupplung einer Vielzahl an Aromaten und Olefinen. [87] Die N-Acetylaminosäure und das 6-Methylpyridinderivat L9 bilden in situ vermutlich einen 1:1:1-Komplex mit Palladium und ermçglichen so die Kupplung einer Vielzahl an Aromaten und Olefinen.…”
Section: Yu Et Al Berichteten 2014 Von Einer Rh-katalysierten Aren-unclassified
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