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Influence of ortho- and meta-substituted N-heterocyclic dications towards the self-assembly of p-sulfonatocalix[4]arene

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Abstract

The interplay of organic dications bearing various n-alkylimidazolium termini substituted at different positions on a bis(methylene)phenyl ring and p-sulfonatocalix[4]arene, along with tetraphenylphosphonium cations and hydrated lanthanides (Ce3+, Er3+ and Gd3+), afforded various self-assembled solid-state structures. The host–guest binding behaviour of the dications and p-sulfonatocalix[4]arene was carefully investigated by crystallographic studies including their interactions in the solution state, but in the absence of phosphonium and lanthanide cations via1H NMR experiments.

Graphical abstract: Influence of ortho- and meta-substituted N-heterocyclic dications towards the self-assembly of p-sulfonatocalix[4]arene

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Publication details

The article was received on 06 Sep 2019, accepted on 28 Oct 2019 and first published on 29 Oct 2019


Article type: Paper
DOI: 10.1039/C9CE01410A
CrystEngComm, 2020, Advance Article

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    Influence of ortho- and meta-substituted N-heterocyclic dications towards the self-assembly of p-sulfonatocalix[4]arene

    S. L. Loh, A. N. Sobolev, S. H. Lim and I. Ling, CrystEngComm, 2020, Advance Article , DOI: 10.1039/C9CE01410A

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