Construction and interconversion of anion-coordination-based ('aniono') grids and double helicates modulated by counter-cations

Xiaoxia Fan, Dan Zhang, Shiyu Jiang, Heng Wang, Lin Ting Lin, Bo Zheng, Wen Hua Xu, Yanxia Zhao, Benjamin P. Hay, Yi Tsu Chan, Xiao Juan Yang*, Xiaopeng Li, Biao Wu

*此作品的通讯作者

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摘要

Supramolecular assembly of well-defined discrete architectures has been of great interest due to the tunable properties of these structures in functional materials and bio-mimicking. While metal-coordination-driven assembly has been extensively studied, anion-coordination-driven assembly (ACDA) is just emerging for constructing complex supramolecular structures. Herein two A2nL2n (A = anion, L = ligand; n = 1 or 2) 'aniono'-supramolecular assemblies, i.e. double helicates and the first anion grid, have been constructed based on the coordination between phosphate (PO43-) anion and a bis-tris(urea) ligand. Moreover, the aniono-grid and double helicate motifs can be readily interconverted under ambient conditions by simply changing the counter-cation. These results redefine the power and scope of ACDA, which may represent a new approach in the assembly of well-defined architectures in parallel with the metal coordination-driven assembly of metallo-supramolecules.

源语言英语
页(从-至)6278-6284
页数7
期刊Chemical Science
10
25
DOI
出版状态已出版 - 2019
已对外发布

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Fan, X., Zhang, D., Jiang, S., Wang, H., Lin, L. T., Zheng, B., Xu, W. H., Zhao, Y., Hay, B. P., Chan, Y. T., Yang, X. J., Li, X., & Wu, B. (2019). Construction and interconversion of anion-coordination-based ('aniono') grids and double helicates modulated by counter-cations. Chemical Science, 10(25), 6278-6284. https://doi.org/10.1039/c9sc02012h