A neutral uranyl dimeric complex and remarkable extraction properties of a 1-acid 3-diethyl amide substituted calix[4]arene ligand

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Paul D. Beer, Michael G. B. Drew, Dusan Hesek, Mark Kan, Graeme Nicholson, Philippe Schmitt, Paul D. Sheen and Gareth Williams


Abstract

The crystal structure of [(UO2)2L2] (L = 1-acid 3-diethyl amide substituted calix[4]arene) has been determined; the uranyl, lanthanide and heavy metal extraction properties of L and of a recyclable polymeric calix[4]arene based resin material are also described.


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