Pillarplexes: A Metal-Organic Class of Supramolecular Hosts

被引：81
作者：
Altmann, Philipp J.
Poethig, Alexander [1 ]
机构：
[1] Tech Univ Munich, Catalysis Res Ctr, Ernst Otto Fischer Str 1, D-85747 Garching, Germany
来源：
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2016年 / 138卷 / 40期
关键词：
MOLECULAR RECOGNITION; GUEST CHEMISTRY; COMPLEXES; GOLD(I); WATER; EMISSION; LIGAND;
D O I：
10.1021/jacs.6b08571
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Novel octanuclear NHC complexes of gold(I) and silver(I) form metallocavitand structures with very defined tubular cavities and are able to selectively host linear molecules, exemplarily demonstrating 1,8-diaminooctane as a model guest molecule. The solubility of the host-compounds is easily adjusted by simple anion exchange reactions so that the compounds can be made soluble in water wherein they exhibit a high longtime stability. The gold(I) complex is emissive in aqueous solutions, which enables a determination of the binding constant to the diamine via luminescence quenching. The host-guest interaction was further investigated by isothermal titration calorimetry, NMR spectroscopy, and X-ray crystallography.
引用
收藏
页码：13171 / 13174
页数：4
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