A method for ring-halogenating an aromatic compound comprises contacting with chlorine or bromine, a mixture comprising the aromatic compound and a mixed copper salt of formula Cu(Y)X, where Y comprises a counterion derived from an organic acid, where the organic acid has a pKa relative to water of 0 or greater; and X comprises Cl, Br, I, or (SO
4
2−
)
1/2
; to produce a reaction mixture comprising a haloaromatic compound and a copper(II) halide residue.
一种使芳香族化合物环卤化的方法,包括将芳香族化合物和式 Cu(Y)X 混合
铜盐的混合物与
氯或
溴接触,其中 Y 包括来自有机酸的反离子,有机酸相对于
水的 pKa 为 0 或更大;X 包括 Cl、Br、I 或 (SO)
4
2-
)
1/2
产生的反应混合物包括卤代芳香族化合物和卤化
铜(II)残留物。