Neutral lanthanide di- and mono-meric complexes and selective extraction properties of a new 1,3-acid-diethyl amide substituted calix[4]arene ligand

Beer PD, Drew MGB, Grieve A, Kan M, Leeson PB, Nicholson G, Ogden MI, Williams G

The synthesis, X-ray crystal structures of neutral dimeric europium, samarium and monomeric lutetium complexes, and selective extraction properties of a new 1,3-acid-diethyl amide substituted calix[4]arene ligand L are described.