Gels of shape-persistent macrocycles: the role of the interior

Chem Commun (Camb). 2012 Jul 4;48(52):6547-9. doi: 10.1039/c2cc32804f. Epub 2012 May 24.

Abstract

The aggregation of shape-persistent macrocycles with an empty cavity, an undecyldiether strand and a tetraethylene glycol strand leads in all cases to a macroscopic gelation of the solvent. However, the gelation temperatures are fine-tuned by the intraannular substituents.