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Updated: Feb 5, 2026

Negative Additive Manufacturing of Complex Shaped Boron Carbides
Published on: September 18, 2018
Novel self-adaptive boat-shaped complexes with a tetraphosphine ligand
Kai Yue1, Yi-He Guo, Jia-Qing Pan
1State Key Laboratory of Elemento-Organic Chemistry, Research Institute of Elemento-Organic Chemistry, Department of Chemistry, Nankai University, Tianjin 300071, P. R. China. qli@nankai.edu.cn.
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 CHπ interactions between the host and guest anion. The DFT calculations confirmed that the CHπ interaction played a vital role in the self-adaptive phenomenon in complexes 4-6.
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