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Issue 37, 2014
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Pillar[5]- and pillar[6]arene-based supramolecular assemblies built by using their cavity-size-dependent host–guest interactions

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Abstract

Pillar[n]arenes, which we first synthesized and named in 2008, are new pillar-shaped macrocyclic hosts. Pillar[n]arene homologues with n = 5–10 have already been synthesized, but the cyclic pentamers, i.e., pillar[5]arenes, and cyclic hexamers, i.e., pillar[6]arenes, have been most widely used because these can be obtained in good yields. To date, nearly all pillar[n]arene-based supramolecular assemblies have been constructed using pillar[5]- and pillar[6]arene scaffolds. In this feature article, we describe supramolecular assemblies built using host–guest interactions depending on the cavity sizes of pillar[5]- and pillar[6]arenes. We first discuss the effects of the type of substituents on the rims of pillar[5]- and pillar[6]arenes on their solubilities, functionalities and host–guest properties. We then discuss supramolecular assemblies based on their host–guest properties and pillar-shaped architectures.

Graphical abstract: Pillar[5]- and pillar[6]arene-based supramolecular assemblies built by using their cavity-size-dependent host–guest interactions

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Publication details

The article was received on 27 Jan 2014, accepted on 17 Feb 2014 and first published on 27 Feb 2014


Article type: Feature Article
DOI: 10.1039/C4CC00738G
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Chem. Commun., 2014,50, 4776-4787

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    Pillar[5]- and pillar[6]arene-based supramolecular assemblies built by using their cavity-size-dependent host–guest interactions

    T. Ogoshi and T. Yamagishi, Chem. Commun., 2014, 50, 4776
    DOI: 10.1039/C4CC00738G

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