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Title: A study of anion binding behaviour of 1,3-alternate thiacalix[4]arene-based receptors bearing urea moieties
Authors: Rahman, Shofiur
Tomiyasu, Hirotsugu
Kawazoe, Hiroto
Zhao, Jiang-Lin
Cong, Hang
Ni, Xin–Long
Zeng, Xi
Elsegood, Mark R.J.
Warwick, Thomas G.
Teat, Simon J.
Redshaw, Carl
Georghiou, P.E.
Yamato, Takehiko
Issue Date: 2016
Publisher: © Royal Society of Chemistry and the Centre National de la Recherche Scientifique
Citation: RAHMAN, S. ... et al, 2016. A study of anion binding behaviour of 1,3-alternate thiacalix[4]arene-based receptors bearing urea moieties. New Journal of Chemistry, 40 (11), pp. 9245-9251.
Abstract: Three novel thiacalix[4]arene receptors 4a-c each with a 1,3-alternate conformation and possessing two urea moieties linking various phenyl groups substituted with either para electron-donating or -withdrawing groups have been synthesized. The binding properties of these receptors were investigated by means of 1H NMR spectroscopy and UV-vis absorption titration experiments using various anions. The structures and complexation energies were also studied by density functional theory (DFT) methods. The results suggested that receptor 4c, which possesses two p-(trifluoromethyl)phenyl ureido moieties, can complex most efficiently in the urea cavity and exhibits high selectivity towards F- and AcO- ions.
Description: This paper is closed access until 12th September 2017.
Sponsor: OTEC at Saga University and the International Cooperation Projects of Guizhou Province (No. 20137005). CR thanks the EPSRC for a travel grant.
Version: Accepted for publication
DOI: 10.1039/c6nj00923a
URI: https://dspace.lboro.ac.uk/2134/23386
Publisher Link: http://dx.doi.org/10.1039/c6nj00923a
ISSN: 1144-0546
Appears in Collections:Closed Access (Chemistry)

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