Complexation of trivalent lanthanoid ions with 4-benzoyl-3-phenyl-5-isoxazolone and p-tert-butylcalix[4]arene fitted with phosphinoyl pendant arms in solution during synergistic solvent extraction and structural study of solid complexes by IR and NMR
Maria Atanassova, Victoria I. Lachkova, Nikolay Georgiev Vassilev, Sabi G. Varbanov, Ivan L. Dukov
Abstract