Highly efficient extraction of sulfate ions with a tripodal hexaurea receptor

Chuandong Jia; Biao Wu; Shaoguang Li; Xiaojuan Huang; Qilong Zhao; Qian Shu Li; Xiao Juan Yang

doi:10.1002/anie.201004461

Highly efficient extraction of sulfate ions with a tripodal hexaurea receptor

Chuandong Jia, Biao Wu^*, Shaoguang Li, Xiaojuan Huang, Qilong Zhao, Qian Shu Li, Xiao Juan Yang

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

173 Citations (Scopus)

Abstract

Fatal extraction: The Hofmeister bias for sulfate ions in aqueous environments can be overcome by using a tripodal hexaurea receptor (L) that completely encapsulates the sulfate ion in a complementary cavity protected by hydrophobic aromatic rings (see picture; C-gray, N-blue, O-red, S-yellow). Almost quantitative extraction of sulfate ions from an aqueous to an organic phase is achieved when this receptor is used as a liquid-liquid extractant.

Original language	English
Pages (from-to)	486-490
Number of pages	5
Journal	Angewandte Chemie - International Edition
Volume	50
Issue number	2
DOIs	https://doi.org/10.1002/anie.201004461
Publication status	Published - 10 Jan 2011
Externally published	Yes

Keywords

anion recognition
chelate effect
host-guest chemistry
hydrophobic effect
receptors

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10.1002/anie.201004461

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abstract = "Fatal extraction: The Hofmeister bias for sulfate ions in aqueous environments can be overcome by using a tripodal hexaurea receptor (L) that completely encapsulates the sulfate ion in a complementary cavity protected by hydrophobic aromatic rings (see picture; C-gray, N-blue, O-red, S-yellow). Almost quantitative extraction of sulfate ions from an aqueous to an organic phase is achieved when this receptor is used as a liquid-liquid extractant.",

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AU - Wu, Biao

AU - Li, Shaoguang

AU - Huang, Xiaojuan

AU - Zhao, Qilong

AU - Li, Qian Shu

AU - Yang, Xiao Juan

PY - 2011/1/10

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AB - Fatal extraction: The Hofmeister bias for sulfate ions in aqueous environments can be overcome by using a tripodal hexaurea receptor (L) that completely encapsulates the sulfate ion in a complementary cavity protected by hydrophobic aromatic rings (see picture; C-gray, N-blue, O-red, S-yellow). Almost quantitative extraction of sulfate ions from an aqueous to an organic phase is achieved when this receptor is used as a liquid-liquid extractant.

KW - anion recognition

KW - chelate effect

KW - host-guest chemistry

KW - hydrophobic effect

KW - receptors

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Highly efficient extraction of sulfate ions with a tripodal hexaurea receptor

Abstract

Keywords

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