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用萃取法研究Cu2＋－苯乙酸（PAC）－杂环碱（A）［A为联吡啶（bpy）；联喹啉（bquin）；邻二氮菲（phen）］体系在高氯酸介质中形成的混配配合物，发现配合物中配体间普遍存在着芳环堆积作用，堆积百分率视配体不同而异，其大小顺序为：bpy＞bquin＞phen。显然这与苯乙酸和杂环碱中芳环间的匹配性有关。用斜率法得出混配合物中，杂环碱与苯乙酸间摩尔比为1∶1。
The extraction of Cu2 + -phenylacetic acid (PAC) -heterocyclic base (A) [A is bpy; bquin; phen phenanthrene] system is studied in the medium of perchloric acid It is found that aromatic ligands are commonly found in the ligands. The stacking percentage varies with the ligands, and the order is bpy> bquin> phen. Obviously, this is related to the matching between aromatic rings in phenylacetic acid and heterocyclic base. Slope method obtained mixed compounds, heterocyclic base and phenylacetic acid molar ratio of 1: 1.