Palladium‐Catalyzed Direct C−H Arylation of Arenes Promoted by Quaternary Ammonium Salt,Asian Journal of Organic Chemistry

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Palladium‐Catalyzed Direct C−H Arylation of Arenes Promoted by Quaternary Ammonium Salt
Asian Journal of Organic Chemistry ( IF 2.8 ) Pub Date : 2020-09-08 , DOI: 10.1002/ajoc.202000443
Sabyuk Yang ₁ , Soon Hyeok Hong ₂

Affiliation

A new Pd‐based catalytic system for the direct C−H arylation of arenes was developed. The use of a substoichiometric amount of quaternary ammonium salt as an additive with a Pd source achieved the direct arylation of unactivated arenes under milder reaction conditions in moderate to high yields. The ammonium salt generates the anionic palladium complex, thereby facilitating arylation by a concerted metalation‐deprotonation process.

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