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A hexahomotrioxacalix[3]arene-based ditopic receptor for alkylammonium ions controlled by Ag+Ions

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posted on 19.04.2018 by Xue-Kai Jiang, Yusuke Ikejiri, Chong Wu, Shofiur Rahman, P.E. Georghiou, Xi Zeng, Mark Elsegood, Carl Redshaw, Simon J. Teat, Takehiko Yamato
© 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.

Funding

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)”.

History

School

  • Science

Department

  • Chemistry

Published in

Molecules

Volume

23

Issue

2

Citation

JIANG, X-K. ...et al., 2018. A hexahomotrioxacalix[3]arene-based ditopic receptor for alkylammonium ions controlled by Ag+Ions. Molecules, 23(2), 467.

Publisher

© The Authors. Published by MDPI

Version

VoR (Version of Record)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution 4.0 International (CC BY 4.0) licence. Full details of this licence are available at: http://creativecommons.org/licenses/ by/4.0/

Acceptance date

05/02/2018

Publication date

2018

Notes

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/

eISSN

1420-3049

Language

en

Licence

Exports