Jf. Malone et al., CALIX[N]ARENE PHOSPHINE OXIDES - A NEW SERIES OF CATION RECEPTORS FOREXTRACTION OF EUROPIUM THORIUM-PLUTONIUM AND AMERICIUM IN NUCLEAR WASTE TREATMENT, Journal of the Chemical Society, Chemical Communications, (20), 1995, pp. 2151-2153
A novel class of calixarene derivatives with phosphine oxide residues
[calix-(OCH(2)CH(2)POPh(2))(n)] attached to the lower rim showing high
efficiency in extraction of Eu-III, Th-IV, Pu-IV, and Am-IV from simu
lated nuclear waste is reported.