Protonated amidopyridyl ligands show high selectivity for the extraction of [CoCl4]2− or [ZnCl4]2− over chloride ion into organic media via the formation of N–H and C–H hydrogen-bond donors to the outer coordination spheres of the chlorometallates.
质子化的脒基
配体通过在
氯金属酸盐的外配位层形成 N-H 和 C-H 氢键供体,在有机介质中萃取 [CoCl4]2- 或 [ZnCl4]2- 而不是
氯离子时显示出高选择性。