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Selective and Efficient Removal of Perrhenate by an Imidazolium Based Hexapodal Receptor in Water Medium

Rajib Ghosh, Tamal Kanti Ghosh, Pradyut Ghosh

Dalton Trans. 2020 Mar 9;49(10):3093-3097.

PMID: 32100800

Abstract:

This work reports a new cationic imidazolium based hexapodal receptor, [L.6Br], for selective and efficient removal of perrhenate (ReO4-) as [L.6ReO4] from 100% aqueous medium via extraction through precipitation. Selective removal of ReO4- even in the presence of common anions such as halides and oxyanions in excess within a wide range of pH values from 1 to 14 by this receptor is also demonstrated. Importantly, [L.6Br] could easily be recovered upon heating [L.6ReO4] with tetrabutylammonium bromide (TBABr) in acetonitrile at 60 °C and recycled as a fresh extractant for ReO4-.

Chemicals Related in the Paper:

Catalog Number Product Name Structure CAS Number Price
AP16385594 Tetrabutylammonium perrhenate Tetrabutylammonium perrhenate 16385-59-4 Price
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