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Encapsulation of Halocarbons in a Tetrahedral Anion Cage
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2015 (English)In: Angewandte Chemie International Edition, ISSN 1433-7851, E-ISSN 1521-3773, Vol. 54, no 30, 8658-8661 p.Article in journal (Refereed) Published
Abstract [en]

Caged supramolecular systems are promising hosts for guest inclusion, separation, and stabilization. Well-studied examples are mainly metal-coordination-based or covalent architectures. An anion-coordination-based cage that is capable of encapsulating halocarbon guests is reported for the first time. This A(4)L(4)-type (A=anion) tetrahedral cage, [(PO4)(4)L-4](12-), assembled from a C-3-symmetric tris(bisurea) ligand (L) and phosphate ion (PO43-), readily accommodates a series of quasi-tetrahedral halocarbons, such as the Freon components CFCl3, CF2Cl2, CHFCl2, and C(CH3)F-3, and chlorocarbons CH2Cl2, CHCl3, CCl4, C(CH3)Cl-3, C(CH3)(2)Cl-2, and C(CH3)(3)Cl. The guest encapsulation in the solid state is confirmed by crystal structures, while the host-guest interactions in solution were demonstrated by NMR techniques.

Place, publisher, year, edition, pages
2015. Vol. 54, no 30, 8658-8661 p.
Keyword [en]
anion coordination, anion-based tetrahedral cages, Freon, halocarbons, inclusion compounds
National Category
Chemical Sciences Engineering and Technology
Identifiers
URN: urn:nbn:se:uu:diva-260288DOI: 10.1002/anie.201502399ISI: 000358051600010PubMedID: 26053734OAI: oai:DiVA.org:uu-260288DiVA: diva2:847750
Available from: 2015-08-21 Created: 2015-08-18 Last updated: 2017-12-04Bibliographically approved

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Zhang, Zhibin

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