Phosphorous‐Based Pillar[5]arenes for Uranyl Extraction | Zendy

Bai Bing | Zendy; Fang Yuyu | Zendy; Gan Quan | Zendy; Yang Yuanyou | Zendy; Yuan Lihua | Zendy; Feng Wen | Zendy

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Phosphorous‐Based Pillar[5]arenes for Uranyl Extraction

Author(s) -

Bai Bing,

Fang Yuyu,

Gan Quan,

Yang Yuanyou,

Yuan Lihua,

Feng Wen

Publication year - 2015

Publication title -

chinese journal of chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.28

H-Index - 41

eISSN - 1614-7065

pISSN - 1001-604X

DOI - 10.1002/cjoc.201400899

Subject(s) - chemistry , uranyl , phosphine oxide , pillar , extraction (chemistry) , stoichiometry , ligand (biochemistry) , phosphine , selectivity , oxide , solvent , metal , metal ions in aqueous solution , solvent extraction , inorganic chemistry , nuclear chemistry , ion , organic chemistry , catalysis , biochemistry , receptor , structural engineering , engineering

One phosphine oxide‐based pillar[5]arene 1a and two novel phosphorous‐based pillar[5]arenas 1b and 1c were synthesized for use as extractants in solvent extraction of UO 2 2+ . The results from host‐guest interactions pertinent to the extracted complexes of 1a – 1c revealed a significant difference in complexation capability between 1a and 1b (or 1c ) by using 1 H NMR, 31 P NMR and FT‐IR techniques. The extraction of UO 2 2+ in separate extraction system and in simulated nuclear industry effluent containing 12 competing ions demonstrated the superior efficiency and selectivity of 1a towards UO 2 2+ over other cations in acidic feed. Log‐log plot analysis indicated the 1:1 stoichiometry (ligand/metal) for the extracted complex formed between the ligand and UO 2 2+ .

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