Lanthanoid complexation by a tris-tetrazole-functionalised calix[4]arene

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dc.contributor.authorD'Alessio, Den_AU
dc.contributor.authorSkelton, BWen_AU
dc.contributor.authorSobolev, ANen_AU
dc.contributor.authorKrause-Heuer, AMen_AU
dc.contributor.authorFraser, BHen_AU
dc.contributor.authorMassi, Men_AU
dc.contributor.authorOgden, MIen_AU
dc.date.accessioned2021-08-11T05:20:09Zen_AU
dc.date.available2021-08-11T05:20:09Zen_AU
dc.date.issued2016-12-19en_AU
dc.date.statistics2021-08-10en_AU
dc.description.abstractThe synthesis and characterization of 5,11,17,23-tetra-tert-butyl-25-hydroxy-26,27,28-tris(tetrazol-5-ylmethoxy)calix[4]arene is reported. Purification of the macrocycle required the use of preparative HPLC techniques. The macrocycle was found to be a poorer ligand for complexation of lanthanoid cations than the bis(tetrazole) analogue, but somewhat more effective than the tetrakis(tetrazole)-substituted derivative. Two metal complexes of the tris(tetrazole)–calixarene were structurally characterised. A polymeric sodium salt of the tris(tetrazole)–calixarene was isolated from a solution containing yttrium and a sodium acetate buffer. A praseodymium complex was isolated in the presence of an ammonium acetate buffer, where the calixarene acts as a unidentate ligand, bound to the metal atom through one tetrazole N-atom. Increasing the amount of buffer resulted in the crystallisation of a metal-free ammonium salt of the calixarene. © 2016 John Wiley & Sons, Inc.en_AU
dc.identifier.citationD'Alessio, D., Skelton, B. W., Sobolev, A. N., Krause-Heuer, A. M., Fraser, B. H., Massi, M., & Ogden, M. I. (2016). Lanthanoid complexation by a tris-tetrazole-functionalised calix[4]arene. European Journal of Inorganic Chemistry, 2016(34), 5366-5372. doi:10.1002/ejic.201600938en_AU
dc.identifier.issn1434-1948en_AU
dc.identifier.issue34en_AU
dc.identifier.journaltitleEuropean Journal of Inorganic Chemistryen_AU
dc.identifier.pagination5366-5372en_AU
dc.identifier.urihttps://doi.org/10.1002/ejic.201600938en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/11327en_AU
dc.identifier.volume2016en_AU
dc.language.isoenen_AU
dc.publisherJohn Wiley & Sons, Incen_AU
dc.subjectRare earthsen_AU
dc.subjectComplexesen_AU
dc.subjectTetrazolesen_AU
dc.subjectCalixarenesen_AU
dc.subjectPurificationen_AU
dc.subjectLigandsen_AU
dc.subjectSodiumen_AU
dc.subjectYtterbiumen_AU
dc.titleLanthanoid complexation by a tris-tetrazole-functionalised calix[4]areneen_AU
dc.typeJournal Articleen_AU
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