Chloride triggered reversible switching from a metallosupramolecular [Pd 2 L 4 ] 4+ cage to a [Pd 2 L 2 Cl 4 ] metallo-macrocycle with release of endo- and exo-hedrally bound guests

A metallosupramolecular [Pd 2 L 4 ] 4+ cage can be cleanly converted into a [Pd 2 L 2 Cl 4 ] metallo-macrocycle upon addition of chloride ions. The process is reversible, treatment of the [Pd 2 L 2 Cl 4 ] macrocycle with silver( i ) ions regenerates the [Pd 2 L 4 ] 4+ cage. Additionally, it is shown...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2015, Vol.51 (43), p.9042-9045
Main Authors: Preston, Dan, Fox-Charles, Alyssa, Lo, Warrick K. C., Crowley, James D.
Format: Article
Language:English
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Summary:A metallosupramolecular [Pd 2 L 4 ] 4+ cage can be cleanly converted into a [Pd 2 L 2 Cl 4 ] metallo-macrocycle upon addition of chloride ions. The process is reversible, treatment of the [Pd 2 L 2 Cl 4 ] macrocycle with silver( i ) ions regenerates the [Pd 2 L 4 ] 4+ cage. Additionally, it is shown that guest molecules could be released on chloride triggered cage dis-assembly and taken up anew on re-assembly.
ISSN:1359-7345
1364-548X
DOI:10.1039/C5CC02226F