Highly Efficient Extraction of Sulfate Ions with a Tripodal Hexaurea Receptor | Zendy

Jia Chuandong | Zendy; Wu Biao | Zendy; Li Shaoguang | Zendy; Huang Xiaojuan | Zendy; Zhao Qilong | Zendy; Li QianShu | Zendy; Yang XiaoJuan | Zendy

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Highly Efficient Extraction of Sulfate Ions with a Tripodal Hexaurea Receptor

Author(s) -

Jia Chuandong,

Wu Biao,

Li Shaoguang,

Huang Xiaojuan,

Zhao Qilong,

Li QianShu,

Yang XiaoJuan

Publication year - 2011

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.201004461

Subject(s) - sulfate , aqueous solution , chemistry , extraction (chemistry) , ion , aqueous two phase system , inorganic chemistry , chromatography , organic chemistry

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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