What is it about?
Molecular capsules are containers endowed with isolated nanometer-sized cavities. In particular, supramolecular capsules −generated by exploiting hydrogen bonds, metal-coordination bonds and/or hydrophobic effects− represent an intriguing version of these fascinating molecules, and an impressive challenge for synthetic chemists. Resorcin[4]arene-based cavitands and conformationally preorganized calixarenes are two classes of receptors largely used as building blocks for the construction of these assemblies
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Why is it important?
This review focuses on the capsular self-assembly of suitably functionalized building blocks, analyzing from time to time the main driving force(s) involved for their formation.
Perspectives
Nowadays, several self-assembled capsules find practical applications such as capsular devices, photoswitchable capsules for biomedical purposes and supramolecular capsule polymers. It is expected, in this burgeoning field, that new self-assembled capsules will disclose further attractive phenomena in host–guest chemistry, physical organic chemistry and materials science.
Dr Giuseppe Trusso Sfrazzetto
University of Catania
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This page is a summary of: Assembling of Supramolecular Capsules with Resorcin[4]arene and Calix[n]arene Building Blocks, Current Organic Chemistry, September 2015, Bentham Science Publishers,
DOI: 10.2174/1385272819666150608221916.
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