Abstract
In this paper, a novel complex [FeII4L4]8+ was designed and synthesized from subcomponent self-assembly of C3-symmetric 2,4,6-tris(4-aminophenoxy)triazine, 3-methylpyridine-2-carboxaldehyde and iron(II) trifluoromethanesulfonate in CH3CN solution. The structure of target compound was confirmed by 1H NMR and ESI-MS measurements as a tetrahedral cage, and the host–guest interactions between the complex and a series of guest molecules were studied. The results show that the intermolecular interactions are relatively weak by comparison with other similar ligand’s complexes, which may be due to the steric effect of methyl groups adjacent to the peripheral apertures of the cage.
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This work has been funded by the College Students’ Innovation and Open Experimentation Fund Project, NJTECH (2021DC0472 & 2021DC0474).
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Bu, N., Wu, WY., Jiang, P. et al. Self-assembly and steric hindrance for further host–guest interactions of a tetrahedral cage FeII4L4. Chem. Pap. 75, 4493–4499 (2021). https://doi.org/10.1007/s11696-021-01685-w
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DOI: https://doi.org/10.1007/s11696-021-01685-w