Issue 15, 2016
From the journal:

RSC Advances

An NHC silver(i) macrometallocycle: synthesis, structure and selective recognition of iodide anions†

Qing-Xiang Liu,*a   Jun-Ren Chen,a   Xiao-Feng Sun,a   Xiao-Jun Zhao,a   Zhi-Xiang Zhaoa  and  Kang-Qing Caia  

* Corresponding authors

a Key Laboratory of Inorganic-Organic Hybrid Functional Materials Chemistry (Tianjin Normal University), Ministry of Education, Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Tianjin Normal University, Tianjin 300387, China
E-mail: tjnulqx@163.com

Abstract

A bis-benzimidazolium salt with oligoether-linker LH2·(PF6)2 and its 13-membered N-heterocyclic carbene silver(I) crown ether 1 have been synthesized and characterized. The coordination geometry of the silver(I) ion of 1 is nearly linear with a C(7)–Ag(1)–C(23) bond angle of 179.6(1)°. In the crystal packing of 1, a 2D supramolecular layer is formed by π–π stacking interactions from benzimidazole rings. In particular, the selective recognition of I− using 1 as a receptor was studied on the basis of fluorescence and UV/vis spectroscopic titrations.

Graphical abstract: An NHC silver(i) macrometallocycle: synthesis, structure and selective recognition of iodide anions

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Article information

DOI
https://doi.org/10.1039/C5RA23814E
Article type
Paper
Submitted
11 Nov 2015
Accepted
13 Jan 2016
First published
15 Jan 2016

RSC Adv., 2016,6, 12256-12262

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An NHC silver(I) macrometallocycle: synthesis, structure and selective recognition of iodide anions

Q. Liu, J. Chen, X. Sun, X. Zhao, Z. Zhao and K. Cai, RSC Adv., 2016, 6, 12256 DOI: 10.1039/C5RA23814E

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