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Issue 26, 2016
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Encapsulation of biogenic polyamines by carboxylcalix[5]arenes: when solid-state design beats recognition in solution

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Abstract

The biogenic tetraamines, spermine and norspermine, are efficiently encapsulated in the solid state by two molecules of carboxylcalix[5]arene, by means of a highly regioselective proton-transfer followed by bis-endo-cavity inclusion, providing overall-neutral complexes with a 70–72% packing coefficient, despite the modest affinity shown in solution.

Graphical abstract: Encapsulation of biogenic polyamines by carboxylcalix[5]arenes: when solid-state design beats recognition in solution

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Article information


Submitted
29 Feb 2016
Accepted
14 Apr 2016
First published
14 Apr 2016

CrystEngComm, 2016,18, 5012-5016
Article type
Paper

Encapsulation of biogenic polyamines by carboxylcalix[5]arenes: when solid-state design beats recognition in solution

G. Brancatelli, G. Gattuso, S. Geremia, N. Manganaro, A. Notti, S. Pappalardo, M. F. Parisi and I. Pisagatti, CrystEngComm, 2016, 18, 5012
DOI: 10.1039/C6CE00468G

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