| 萃取法研究Cu2+-dpx-PCA-体系配体间的芳环堆积作用及其配合物的组成 |
| STUDIES ON THE AROMATIC RING STACKING INTERACTION AND THE CHEMICAL COMPOSITION OF THE Cu(Ⅱ)-dpx-PCA-SYSTEM BY EXTRACTION METHOD |
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| 摘要: 用萃取法测定Cu2+-dpx-PCA-体系中的堆积百分数，其中dpx=2,2′-联吡啶胺(dpa)，2，2′-联吡啶甲烷(dpm)和2，2′-联吡啶酮(dpk); PCA-=苯甲酸根(Bz-), 2-苯乙酸根(PAc-),3-苯丙酸根(PPr-)和4-苯丁酸根(PBu-)。结果表明：堆积百分数与羧酸根中亚甲基数有关，其顺序为Bz---π电子协作效应的缘故。 |
| 关键词: 芳环堆积作用 萃取 Cu2+-dpx-PCA-体系 电子协作效应 |
| 基金项目: |
| Abstract: The percentage of the stacked isomers of mixed-ligand complexes of the three types Cu2+-dpx-PCA-, where dpx=2,2′-dipyridylamine(dpa), 2,2′-dipyridylmethane(dpm) and 2,2′-dipyridylketone(dpk); PCA-=benzonate(Bz-), 2-phenylacetate(PAc-), 3-phenylpropionate(PPr-) and 4-phenylbutyrate(PBu-) have been determined by extraction method in aqueous-chloroform medium. The chemical composition of the extracted complexes determined by the qualification logarithm method is ［Cu(dpx)(PCA)2］. According to the calculation of the percentage of the stacked isomers, it shows that on the same concentration of dpx or PCA- the orders of the stacking degree are: Cu(dpx)(Bz)2222 and Cu(dpa)(PCA)2 22. |
| Keywords: aromatic ring stacking interaction extraction Cu2+-dpx-PCA- system electron cooperative effect |
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| 冯旭文,龚钰秋,林秋月.萃取法研究Cu2+-dpx-PCA-体系配体间的芳环堆积作用及其配合物的组成[J].无机化学学报,1998,14(4):493-495. |
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