Tripodal 4-pyridyl-derived host ligands and their metallo-supramolecular chemistry: stella octangula and bowl-shaped assemblies

Ronson, Tanya K., Carruthers, Christopher, Fisher, Julie, Brotin, Thierry, Harding, Lindsay P., Rizkallah, Pierre ORCID: https://orcid.org/0000-0002-9290-0369 and Hardie, Michaele J. 2010. Tripodal 4-pyridyl-derived host ligands and their metallo-supramolecular chemistry: stella octangula and bowl-shaped assemblies. Inorganic Chemistry -American Chemical Society- 49 (2) , pp. 675-685. 10.1021/ic901972h

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Abstract

The synthesis of five new cyclotriveratrylene derivatives with 4-pyridyl side arms is reported, along with the crystal structures of three of these. Three ligands with extended 4-pyridylphenyl side arms and a ligand derived from cyclotriphenolene have been shown to form [Pd6L8]12+ stella octangula assemblies using diffusion-ordered spectroscopy NMR and electrospray MS techniques. This confirms the generality of the stella octagula assembly, providing that the ligand arms show a degree of rigidity. The more flexible ether-linked ligand tris(4-pyridylmethyl)cyclotriguaiacylene forms a smaller [Pd3L4]6+ bowl-shaped assembly in the solid state and in solution. The previously reported ligand tris(4-pyridylmethylamino)cyclotriguaiacylene forms a similar assembly in solution.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Medicine
Subjects:	R Medicine > R Medicine (General)
Publisher:	American Chemical Society
ISSN:	0020-1669
Last Modified:	20 Oct 2022 08:58
URI:	https://orca.cardiff.ac.uk/id/eprint/30235

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