Alkylated organic cages: from porous crystals to neat liquids

Nicola Giri; Christine E. Davidson; Gavin Melaugh; Mario G. Del Pópolo; James T. A. Jones; Tom Hasell; Andrew I. Cooper; Peter N. Horton; Michael B. Hursthouse; Stuart L. James

doi:10.1039/C2SC01007K

Alkylated organic cages: from porous crystals to neat liquids†

Nicola Giri,^a Christine E. Davidson,^a Gavin Melaugh,^b Mario G. Del Pópolo,^b James T. A. Jones,^c Tom Hasell,^c Andrew I. Cooper,^c Peter N. Horton,^d Michael B. Hursthouse^d and Stuart L. James*^a

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* Corresponding authors

^a Centre for the Theory and Application of Catalysis, School of Chemistry and Chemical Engineering, Queen's University Belfast, David Keir Building, Stranmillis Road, Belfast
E-mail: s.james@qub.ac.uk.

^b School of Mathematics and Physics, Queen's University Belfast, University Road, Belfast, UK

^c Department of Chemistry and Centre for Materials Discovery, University of Liverpool, Crown Street, Liverpool, UK

^d Department of Chemistry, University of Southampton, Highfield, Southampton, UK

Abstract

Rigid organic iminospherand cages are rendered meltable by multiple alkylation; below their melting points they can take the form of permanently porous crystals, crystals unstable to desolvation or non-porous glassy solids depending on chain length and branching; melting points as low as 50 °C are observed and a fully Newtonian liquid phase is obtained above 80 °C. Thin glassy fibres can be drawn out from a molten phase.

Chemical Science

Alkylated organic cages: from porous crystals to neat liquids†

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Alkylated organic cages: from porous crystals to neat liquids

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