p-Sulfonatocalix[4]arene and imidazolium zwitterion stabilised nano-arrays of fullerene C60 and C70

Ling, Irene; Alias, Yatimah; Raston, Colin L.

doi:10.1039/c1nj20138g

Cited by 3 publications

(1 citation statement)

References 39 publications

(47 reference statements)

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“…25 This observation has raised a question about the molecular mechanism of the mechanochemical process, because encapsulation requires considerable conformational rearrangement and translational motion of molecules in the solid state, therefore it has to be substantially different from previously reported mechanochemical complexation in semi-open hosts (e.g. cyclodextrins 26 and calixarenes 27 ).…”

mentioning

confidence: 87%

On the mechanism of mechanochemical molecular encapsulation in peptidic capsules

Szymański

Jędrzejewska

Wierzbicki

et al. 2017

Phys. Chem. Chem. Phys.

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Molecular encapsulation of C inside a hydrogen-bond-sealed semi-flexible peptidic capsule is hindered in solution, yet it proceeds effectively after mechanical milling of a solid sample. We show that the molecular mechanism involves the generation of non-covalently disordered forms that are active in guest uptake. We also show that the solvent-free mechanochemical covalent synthesis of capsules directly results in obtaining disordered, active forms.

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mentioning

confidence: 87%

On the mechanism of mechanochemical molecular encapsulation in peptidic capsules

Szymański

Jędrzejewska

Wierzbicki

et al. 2017

Phys. Chem. Chem. Phys.

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Calixarenes and Fullerenes

Georghiou

2016

Calixarenes and Beyond

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Solvent-Modulated Formation of “Pac-man” and Capsular Host–Guest Bilayers from a Dicationic Ionic Liquid and C-Butylpyrogallol[4]arene

Fowler

Pfeiffer

Teat

et al. 2014

Crystal Growth & Design

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The pyrogallol [4]arenes have been shown to act as versatile host macrocycles for a wide variety of guest molecules, including the imidazolium-based cations of ionic liquids. This report demonstrates the use of alkyl-linked geminal dications in the design of bilayers comprising dimeric host−guest complexes. The pivotal role of solvent choice in controlling the resultant solid-state structure is particularly highlighted. The synthesis and single-crystal X-ray diffraction structures of two dimeric host−guest cocrystals generated by the use of different solvents while employing identical host and guest species are presented to illustrate this point. In one solvent, a "Pac-man"-type dimeric host−guest complex is assembled into bilayer galleries. With a switch to an alternate crystallization solvent, a bilayer-type structure in which each layer is composed of alternating complexes of a capsule and two "offset dimers" is instead constructed.

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p-Sulfonatocalix[4]arene and imidazolium zwitterion stabilised nano-arrays of fullerene C60 and C70

Cited by 3 publications

References 39 publications

On the mechanism of mechanochemical molecular encapsulation in peptidic capsules

On the mechanism of mechanochemical molecular encapsulation in peptidic capsules

Calixarenes and Fullerenes

Solvent-Modulated Formation of “Pac-man” and Capsular Host–Guest Bilayers from a Dicationic Ionic Liquid and C-Butylpyrogallol[4]arene

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