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El Aroussi B, Guénée L, Pal P, et al. Lanthanide-mediated supramolecular cages and host-guest interactions. Inorg Chem. 2011;50(17):8588-97doi: 10.1021/ic201156q.
El Aroussi, B., Guénée, L., Pal, P., & Hamacek, J. (2011). Lanthanide-mediated supramolecular cages and host-guest interactions. Inorganic chemistry, 50(17), 8588-97. https://doi.org/10.1021/ic201156q
El Aroussi, Badr, et al. "Lanthanide-mediated supramolecular cages and host-guest interactions." Inorganic chemistry vol. 50,17 (2011): 8588-97. doi: https://doi.org/10.1021/ic201156q
El Aroussi B, Guénée L, Pal P, Hamacek J. Lanthanide-mediated supramolecular cages and host-guest interactions. Inorg Chem. 2011 Sep 05;50(17):8588-97. doi: 10.1021/ic201156q. Epub 2011 Jul 28. PMID: 21797240.
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Inorg Chem. 2011 Sep 05;50(17):8588-97. doi: 10.1021/ic201156q. Epub 2011 Jul 28.

Lanthanide-mediated supramolecular cages and host-guest interactions.

Inorganic chemistry

Badr El Aroussi, Laure Guénée, Prodipta Pal, Josef Hamacek

Affiliations

  1. Department of Inorganic, Analytical and Applied Chemistry, University of Geneva, 30 quai E. Ansermet, 1211 Geneva 4, Switzerland.

PMID: 21797240 DOI: 10.1021/ic201156q

Abstract

The structure and thermodynamic properties of lanthanide complexes with a new tripodal ligand L2 have been elucidated using different physicochemical methods. At stoichiometric ratios, the tetrahedral three-dimensional complexes with lanthanide cations are formed in acetonitrile with good stabilities. Despite minor structural changes comparing to previously investigated tripodal ligands, the resulting assembly exhibits different features revealed with the crystal structure of [Eu(4)L2(4)](OH)(ClO(4))(11) (orthorhombic, Pbcn). Interestingly, the highly charged edifice contains an inner cage encapsulating a perchlorate anion. Such lanthanide mediated cage-like assemblies are rare, and may be of interest for different sensing applications. Indeed, the anionic guest can be exchanged with different anions. The related host-guest equilibria were investigated with NMR techniques. Various aspects of these reactions are qualitatively discussed.

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