Abstract
Most of the supramolecular capsules are neutral compounds that are self-assembled by hydrogen bonding between complementary organic ligand syntones to form unimolecular, dimeric, tetrameric, or hexameric hydrogen-bonded cage frameworks. In several cases, electrostatic (Coulombic) and stacking interactions have been used for self-assembly of the corresponding supramolecular capsules. The template effect of encapsulated species (mostly of neutral guests or co-guests) has been observed in many systems. Moreover, co-encapsulation of various guests caused the specific types of stereoisomerism (so-called social isomerism and isomeric (diastereomeric) constellation, see Sect. 3.1.1) to appear, which are characteristic of these “soft” capsules. Another important feature of these capsules is the so-called Rebek’s rule postulating the encapsulation to proceed efficiently at the packing coefficient of the guest of approximately 55 % (see below).
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Voloshin, Y., Belaya, I., Krämer, R. (2016). Encapsulation by Hydrogen-Bonded and Other Supramolecular Capsules. In: The Encapsulation Phenomenon. Springer, Cham. https://doi.org/10.1007/978-3-319-27738-7_3
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DOI: https://doi.org/10.1007/978-3-319-27738-7_3
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