Formation constants of complexes of monovalent cations with benzocrown ethers in nitromethane

被引：0

作者：

Inerowicz, H.D. ^{[1
]}

Chojnacki, J. ^{[1
]}

Merz, A. ^{[2
]}

Futterer, T. ^{[2
]}

机构：

[1] Department of Chemistry, Technical University of Gdansk, 80-952 Gdansk, Poland

[2] Institute of Organic Chemistry, University of Regensburg, D-93040 Regensburg, Germany

来源：

| 2000年 / Springer Netherlands卷 / 38期

关键词：

Complexation - Ethers - Ligands - Metal ions - Positive ions - Silver;

D O I：

10.1023/a:1008145406568

中图分类号：

学科分类号：

摘要：

The complexation reactions between the macrocyclic polyethers dibenzo-18-crown-6, benzo-18-crown-6, benzo-15-crown-5 and polyethers bearing a stilbene unit with alkali metal and silver cations have been studied conductometrically in nitromethane. The formation constants of 1 : 1 and 1 : 2 (metal : ligand) complexes were determined and found to decrease with increasing cation diameter. The stability of the stilbene crown - metal cation complexes is lower than for complexes of other investigated crown ethers with analogous cations. There seem to be some effects of double bond-silver ion interactions.

引用

页码：1 / 4

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