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Novel self-adaptive boat-shaped complexes with a tetraphosphine ligand

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Abstract

A series of novel boat-shaped host–guest complexes were designed and synthesized by the combination of a new calixarene fragment-based tetraphosphine ligand L with group 11 metal salts Cu(MeCN)4ClO4 and AgNO3 in a self-assembly process, and by the following anion exchange reactions of complex 1 with sodium p-toluenesulfonate, AcONa, PhCO2Na and sodium 9-anthrylcarboxylate. The host with a novel boat-shaped cavity is capable of self-adaptive encapsulation of various anions of different sizes through M(I)–O coordinations and CH⋯π interactions between the host and guest anion. The DFT calculations confirmed that the CH⋯π interaction played a vital role in the self-adaptive phenomenon in complexes 4–6.

Graphical abstract: Novel self-adaptive boat-shaped complexes with a tetraphosphine ligand

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Publication details

The article was received on 19 Jun 2018, accepted on 31 Aug 2018 and first published on 03 Sep 2018


Article type: Paper
DOI: 10.1039/C8DT02498G
Citation: Dalton Trans., 2018, Advance Article
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    Novel self-adaptive boat-shaped complexes with a tetraphosphine ligand

    K. Yue, Y. Guo, J. Pan, K. He, Y. Qiao, Q. Li and F. Xu, Dalton Trans., 2018, Advance Article , DOI: 10.1039/C8DT02498G

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