Lanthanum(III) capture of 18-crown-6 in the cavity of p-sulfonatocalix[4]arene

Alexander Drljaca, Michaele J. Hardie, Julian A. Johnson, Colin L. Raston, Helen R. Webb

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)


Aqueous solutions of sodium p-sulfonatocalix[4]arene, 18-crown-6 and lanthanum(III) trichloride at pH 2.5 afford the 'ferris wheel' type supercation: [{Ln3+ proper subset (18-crown-6)(OH2)3} intersection [(p-sulfonatocalix [4]arene4- + 2H+)}]+ isolated as the chloride with numerous waters of crystallisation.

Original languageEnglish
Pages (from-to)1135-1136
Number of pages2
JournalChemical Communications
Issue number12
Publication statusPublished - 21 Jun 1999
Externally publishedYes


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