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Title: A hexahomotrioxacalix[3]arene-based ditopic receptor for alkylammonium ions controlled by Ag<sup>+</sup>Ions
Authors: Jiang, Xue-Kai
Ikejiri, Yusuke
Wu, Chong
Rahman, Shofiur
Georghiou, P.E.
Zeng, Xi
Elsegood, Mark R.J.
Redshaw, Carl
Teat, Simon J.
Yamato, Takehiko
Keywords: Hexahomotrioxacalix[3]arene
Alkylammonium ions
Metal ions
Ditopic receptor
Allosteric effects
Issue Date: 2018
Publisher: © The Authors. Published by MDPI
Citation: JIANG, X-K. ...et al., 2018. A hexahomotrioxacalix[3]arene-based ditopic receptor for alkylammonium ions controlled by Ag<sup>+</sup>Ions. Molecules, 23(2), 467.
Abstract: © 2018 by the authors. A receptor cone-1 based on a hexahomotrioxacalix[3]arene bearing three pyridyl groups was successfully synthesized, which has a C 3 -symmetric conformation and is capable of binding alkylammonium and metal ions simultaneously in a cooperative fashion. It can bind alkylammonium ions through the π-cavity formed by three aryl rings. This behaviour is consistent with the cone-in/cone-out conformational rearrangement needed to reorganize the cavity for endo-complexation. As a C 3 -symmetrical pyridyl-substituted calixarene, receptor cone-1 can also bind an Ag + ion, and the nitrogen atoms are turned towards the inside of the cavity and interact with Ag + . After complexation of tris(2-pyridylamide) derivative receptor cone-1 with Ag + , the original C 3 -symmetry was retained and higher complexation selectivity for n-BuNH 3 + versus t-BuNH 3 + was observed. Thus, it is believed that this receptor will have a role to play in the sensing, detection, and recognition of Ag + and n-BuNH 3 + ions.
Description: This is an Open Access Article. It is published by MDPI under the Creative Commons Attribution 4.0 Unported Licence (CC BY). Full details of this licence are available at: http://creativecommons.org/licenses/by/4.0/
Sponsor: This work was performed under the Cooperative Research Program of the “Network Joint Research Center for Materials and Devices (Institute for Materials Chemistry and Engineering, Kyushu University)”.
Version: Published
DOI: 10.3390/molecules23020467
URI: https://dspace.lboro.ac.uk/2134/32653
Publisher Link: https://doi.org/10.3390/molecules23020467
Appears in Collections:Published Articles (Chemistry)

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