Publication details

Adamantane-bearing benzylamines and benzylamides: novel building blocks for supramolecular systems with finely tuned binding properties towards beta-cyclodextrin

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Authors

ROUCHAL Michal MATELOVÁ Alena CARVALHO Fabiana Pires de BERNAT Robert GRBIĆ Dragan KUŘITKA Ivo BABINSKÝ Martin MAREK Radek ČMELÍK Richard VÍCHA Robert

Year of publication 2013
Type Article in Periodical
Magazine / Source Supramolecular Chemistry
MU Faculty or unit

Central European Institute of Technology

Citation
web DOI: 10.1080/10610278.2013.783916
Doi http://dx.doi.org/10.1080/10610278.2013.783916
Field Macromolecular chemistry
Keywords adamantane; amines; cyclodextrins; binding properties; host–guest systems
Description Novel building blocks for the synthesis of supramolecular components based on adamantane-bearing benzylamines were prepared. The binding properties of these amines and the corresponding acetamides towards b-cyclodextrin (b-CD) were studied using mass spectrometry, NMR spectrometry, isothermal titration calorimetry and semi-empirical calculations. It was found that all of the examined guests predominantly formed 1:1 inclusion complexes in an enthalpy-driven manner with association constants of the order of 102 – 103 M21. Stronger binding to the b-CD cavity was observed for guests with a longer spacer between the adamantane and benzene moieties and/or a 1,4-disubstituted benzene ring.
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