N-Heterocyclic carbene ligands bearing poly(ethylene glycol) chains: effect of the chain length on palladium-catalyzed coupling reactions employing aryl chlorides

Fujihara, Tetsuaki; Yoshikawa, Takahiro; Satou, Motoi; Ohta, Hidetoshi; Terao, Jun; Tsuji, Yasushi

N-Heterocyclic carbene ligands bearing poly(ethylene glycol) chains: effect of the chain length on palladium-catalyzed coupling reactions employing aryl chlorides

2015

N-Heterocyclic carbenes bearing poly(ethylene glycol) chains of different lengths have been designed and employed as ligands in palladium-catalyzed coupling reactions. The catalyst system having longer chains was found to be highly efficient for Suzuki–Miyaura coupling and borylation reactions employing aryl chlorides under mild reaction conditions.

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