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. 2018 Jul 5;6:271. doi: 10.3389/fchem.2018.00271

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Copyright © 2018 Cova, Murtinho, Pais and Valente.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Scheme 2 — CD-derivatives used for cellulose functionalization, including monochlorotriazinyl-β-CD (1), acrylamidomethyl-β-CD (2), dansyl-based compounds [ansylglicine (3) and dansyil L-glutamate (4)], allylcyclodextrin (5) and β-CD modified with fumaric (6) or succinic (7) acids. Also included is citric acid used for anchoring β-CD, via host-guest interactions.