The direct cross-coupling of heterocyclic phosphonium salts with aryl bromides was successfully realized by performing the reactions in THF at ambient temperature with the aid of a nickel(II) catalyst, the 1,10-phenanthroline-5,6-dione ligand, magnesium turnings, and lithium chloride, providing an easy access to 4-arylated pyridine, quinoline, quinoxaline, and pyrazine.
Y. Cui, W. Li, N. Ma, C. Shen, X. Zhou, X. Chu, W. Rao and Z. Shen, Org. Chem. Front., 2021, 8, 6931 DOI: 10.1039/D1QO01474A
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